Texas Memory Systems RamSan-810, RamSan-710 User Manual

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RamSan-810

User’s Manual

TEXAS MEMORY SYSTEMS, INC.

Version: 5.4.2

Any trademarks or registered trademarks used in this document belong to the companies that own them.

No part of this work may be reproduced or used in any form or by any means — graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems — without permission of the copyright owner.

RamSan-810 User’s Manual - i - Texas Memory Systems, Inc.

Table of Co ntents

1 Preface 1

2 Introduction 2

2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.2 System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.3 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.4 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.5 System Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Reviewing Your Shipment 4

3.1 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.2 Rack mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4 Connections 6

4.1 Installing a Host Bus/Channel Adapter in the Host System . . . . . . . . . . . . . . 6

4.2 Connecting the Fibre Channel or InﬁniBand Ports . . . . . . . . . . . . . . . . . . . 8

4.3 Connecting to a Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.4 Connecting Power to the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5 Getting Started 9

5.1 Powering on the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.2 System Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.3 Front Panel Display Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5.4 Controlling System Power with the Front Panel Display . . . . . . . . . . . . . . . . 13

5.5 Network Conﬁguration with the Front Panel Display . . . . . . . . . . . . . . . . . . 15

5.6 Conﬁguring a Static IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.7 Conﬁguring DHCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.8 Additional System Management Options . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.9 Web Monitor Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.10 Date and time setup with the Web monitor . . . . . . . . . . . . . . . . . . . . . . . 25

5.11 Network Conﬁguration with the Web Monitor . . . . . . . . . . . . . . . . . . . . . . 26

5.12 Managing security with the Web Monitor . . . . . . . . . . . . . . . . . . . . . . . . 27

5.13 Storage Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.14 Basic Logical Unit Creation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.15 Viewing the System Logs with the Web Monitor . . . . . . . . . . . . . . . . . . . . 37

5.16 Upgrading the System with the Web Monitor . . . . . . . . . . . . . . . . . . . . . . 40

5.17 Web Monitor Task Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

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6 System Licenses 42

6.1 JBOF Storage Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.2 Active Spare Storage Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.3 Mail Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.4 Statistic Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.5 Conﬁguration Save/Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

6.6 Logical Unit Masking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

6.7 Lightweight Directory Access Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 54

6.8 Terawatch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

6.9 Log Lun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

7 System Maintenance 57

7.1 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

7.2 Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

7.3 Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

8 End User License Agreement 66

8.1 GNU General Public License . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

8.2 OpenSSL License . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

8.3 Other copyrighted works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

9 Troubleshooting 78

9.1 System Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

9.2 System Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

9.3 Contacting Texas Memory Systems, Inc. . . . . . . . . . . . . . . . . . . . . . . . . . 78

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1 Preface

Document Overview

This document provides operating procedur es for the RamSan-810 running ﬁrmware version

5.4.2.

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2 Introduction

2.1 Overview

The RamSan-810 is the World’s Fastest Flash Storage system. The basic unit contains up to 21 Flash sticks totaling 10 Terabytes with 4GB/s of available ban dwidth. While each RamSan-810 system occupies only 1U of rack space, multiple systems can be easily aggregated at the host for scaling capacity and performance linearly.

Note:

The 21st card is only used in Active Spare mode. See Active Spare section for more details.

2.1.1 High Performance Solid State Storage

Unlike other mass storage products, the RamSan-810 is not based on mechanical rotating disk technology, but instead on high performance Flash memory technology. E ach of the 21 Flash storage sticks contains no moving parts and operates with a much faster protocol, reducing access time and increasing the data transfer rate. This is achieved with the use of better connectors (rugged, more data pins) and a simple transfer protocol.

2.1.2 Easy Installation and Conﬁguration

The RamSan-810 is easy to install on a SAN or directly attached to a server. Most system-level parameters can be set from the front panel, including the management IP address. Once the IP is set, then most conﬁgurations and monitoring should be done through the intuitive Web interface.

2.2 System Components

The system components for the RamSan-810 include:

X Up to 10 Terabytes of usable data storage capacity

X 2 controller slots that can contain a mixture of dual-ported 8-Gb Fibre Channel (FC) or

Quad Data Rate InﬁniBand (IB) controllers

X Front panel display for monitoring and conﬁguration

X 1 Ethernet monitoring port

2.3 Power

The RamSan-810 includes two hot-swappable power modules that are auto-ranging (they accept either 110 or 220 VAC power).

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2.4 Reliability

The RamSan-810 is designed to oﬀer superior reliability to other solid state disks. Its standard features include modular Flash memory, hot-swap power supplies, fail-over ports, and external alerts via SNMP.

2.5 System Management

Basic management operations, including manual shutdown and alerts, are available from the front panel screen. Full monitoring and conﬁguration capabilities are available over any browser via a password pr otected Java applet, as well as through a command line interface over telnet or SSH. The RamSan-810 is fully SNMP v2c compatible and can provide notiﬁcation of system events via email.

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3 Reviewing Your Shipment

3.1 Unpacking

Texas Memory Systems, Inc. ships the RamSan-810 with a packing list. Ensure that you have received all of the components listed.

1. Examine the external chassis for any damage that might have occurred during shipping.

2. Inspect the interface plate for any screws that might have loosened during shipping.

3. Inspect the front panel display for damage.

4. Report any meaningful damage to Texas Memory Systems, Inc.

Figure 1: RamSan-810 Front

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3.2 Rack mounting

The RamSan-810 solid state disk (SSD) system is a 1U rack-mountable system. Texas Memory Systems, Inc. ships the system with the slides and equipment needed to install it into a stand ard 19” rack.

Figure 2: RamSan-810 Back

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4 Connections

4.1 Installing a Host Bus/Channel Adapter in the Host System

Host Bus Adapters (HBAs) provide an interface from the server’s PCI bus to Fibre Channel attached devices. Host Channel Adapters (HCAs) provide an interface from the server’s PCI bus to InﬁniBand devices. HBAs and HCAs are available from a variety of vendors. Before purchasing one, ensure that it provides a driver for the Operating System (OS) version that you are us ing.

In subsequent sections, the term HBA will be used to represent HCA or HBA interchangeably.

Before installing th e HBA, consult your server’s documentation to determine which one of its PCI slots is on the fastest and least congested PCI bus (see Section 4.1.3 below for details). In order to install the HBA, ﬁrst power down your server and place the HBA in this slot. Power on your server and follow the instructions provided with the HBA to install the driver. It is generally a good idea to check the HBA provider’s Web site to obtain the latest drivers and ﬁrmware for the HBA. Updated drivers may include new features, improved performance, and minor bug ﬁxes.

Troubleshooting Tip:

If you encounter any problems with the HBA, the ﬁrst step in the debugging process is verifying that you are using the latest driver and ﬁrmware.

The speed of the server and network interface ultimately limit the RamSan-810’s capabilities. A few diﬀerent components can aﬀect the maximum performance of the RamSan-810, including FC/IB interfaces, Host Bus Adapters, PCI buses, and server CPU resources.

4.1.1 Fibre Channel Interface

Currently, the RamSan-810 supports Fibre Channel communication speeds of 2-Gb, 4-Gb, or 8-Gb per second. Accounting for encoding and overhead, the 4-Gb/sec transfer rate allows data to be transmitted to the RamSan-810 at a half duplex rate of approximately 400 MB/s. Fibre Channel interfaces have separate read and write connections that allow a maximum data rate of twice the half-duplex rate. To sustain the maximum full duplex rate, the data usage pattern of the system must be 50% read and 50% write (due to the individual half duplex limits). To ﬁnd the maximum for other data usage patterns, use the following formula (4-Gb HBA):

smaller usage percentage

larger

For example, to calculate a data usage pattern with 66% reads and 33% writes:

∗ 400 + 400 = 600 MB/s

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∗ 400 MB/s + 400 MB/s

Many applications require storage bandwidth that exceeds what a single FC connection can provide. To accommodate this situation, we provide up to 4 FC ports per RamSan-810, each of which can su pply the bandwidth described above. Using multiple Fibre Channel connections requires one of the following solutions: multipathing software to a single Logical Unit (LU), using software to stripe across multiple LUs, accessing multiple LUs on the RamSan-810 concurrently, or connecting multiple servers to the system.

4.1.2 Host Bus Ad apt er

You can modify some HBA settings to increase performance. For information speciﬁc to your HBA, consult the HBA documentation. Note that many settings are intended to increase the performance of slow storage devices and will not be applicable to RamSan-810s. It is always advisable to check the frame size. The amount of overhead for each Fibre Channel frame is ﬁxed, so larger frames have lower overhead. Set the frame size to the maximum setting, generally 2048 bytes. For InﬁniBand devices, also set the frame size to the maximum setting, generally 4096 bytes.

4.1.3 PCI Bus

High bandwidth HBA traﬃc can quickly inundate slower PCI buses. Once a PCI bus reaches its limit, you can do very little to improve performance. Many servers, however, provide diﬀerent PCI buses with diﬀerent speeds, and placing the HBA on a diﬀerent PCI bus can improve performance. Texas Memory Systems, Inc. recommends giving each 8-Gb 2 port HBA at least an entire PCIX bu s or a PCI Express (PCIe) slot.

4.1.4 CPU

At a certain point, CPU performance can limit data transfer rates. Determine whether the server’s CPU resour ces are th e limiting factor in performance while benchmarking the RamSan-810 as a raw p hysical device. Otherwise, an improperly tuned ﬁle system or application can make the CPU appear to be the limiting factor when it is not. Perform raw device testing after setting up any multipathing.

There are a few ways to decrease CPU usage without increasing CPU resources. Certain data usage patterns can be very CPU intensive and fully utilize the CPU. These usually involve small transfer sizes. When possible, increasing the average transfer size decreases CPU usage and oﬀers better performance. Another way to decrease CPU usage is by enabling interrupt coalescing. Interrupt coalescing is an HBA dependent feature that oﬀers a method to trade latency f or CPU usage. This feature delays calling the HBA transfer interrupt until several transfers are ready. In general, Texas Memory Systems, Inc. does not recommend enabling Interrupt Coalescing because most RamSan-810 applications beneﬁt from low latency. For more information, consult your HBA documentation.

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4.2 Connecting the Fibre Channel or Inﬁni Band Ports

Connect the Fibre Channel (FC) ports on the RamSan-810 to your server or to a Fibre Channel switch. If the RamSan-810 has InﬁniBand (IB) ports, connect them to an IB Switch or Host Channel Adapter (HCA) in your server.

Figure 3: Fibre Channel Locations

Figure 3 shows the port layout for the RamSan-810. Each controller has two FC ports: A and B, on the left and right respectively. The FC ports on the system are capable of connecting to Point-to-Point (N-Port), Arbitrated Loop (NL-port), or Switched Fabric (F-Port) topologies at 2-Gb, 4-Gb, or 8-Gb sp eeds.

Although Figure 3 only shows FC controller cards, an IB controller card can occupy any of the same slots as the FC controller cards. The IB controller card has two x4 IB ports: A and B, on the top and bottom respectively. The IB ports are capable of connecting to Quad Data Rate (QDR), Double Data Rate (DDR) or Single Data Rate (SDR) Inﬁn iBand HCAs using the SCSI RDMA Protocol (SRP).

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4.3 Connecting to a Network

Your RamSan-810 includes 1 Gigabit Ethernet port for remote management over a network. You can use this connection to conﬁgure the storage and management features.

Figure 4: Gigabit Ethern et Port Location

4.4 Connecting Power to the System

A fully loaded RamSan-810 requires approximately 250 watts of power typically. It contains redundant power supplies that are hot-swappable. Using the AC power cords provided, connect each power mo dule to a power source. Install the socket outlet in an easily accessible location near the equipment.

As a best practice, connect each of the RamSan-810 power cords to separate circuits.

Figure 5: RamSan-810 Power Supply

5 Getting Started

This chapter will guide you through setting up your RamSan-810. It is important to accomplish the following tasks to make your system usable:

RamSan-810 User’s Manual - 9 - Texas Memory Systems, In c.



Use the front panel display to set up the network (S ection 5.5)



Get the Web monitor operational (Section 5.9)



Use the Web m on itor to set the date and time (Section 5.10)



Use the Web m on itor to conﬁgure advanced network settings (Section 5.11)



Use the Web m on itor to conﬁgure security (Section 5.12)

Other sections explore the conﬁguration tools and should be read to familiarize yourself with the system.

5.1 Powering on the S ystem

Separate power cables should be connected to each of the two RamSan-810 power modules. The 3-prong AC inlet lies on the right side of each power module. Though the RamSan-810 will operate when only one power supply is connected, this is not recommended.

5.2 System Initialization

The front panel display shows the boot process’ current state. Once the power is connected, the system turns on automatically and the front panel display begins the power-on sequence. The following happens automatically:



Once AC power is connected, the RamSan-810 will power-up. The front panel will display “Status: OK” and the system performance statistics when the

Status: OK

BW: 0

IOPS: 0

system is fully ready. The statistics shown are the system bandwidth in MB/s and total input/output operations per second.

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5.3 Front Panel Display Basics

The front panel display provides a quick and easy way to view the RamSan-810’s status. It shows system warnings and failures.

The RamSan-810’s front p an el allows you to:



Inspect the state of the system.



Change the method of IP address assignment.



Reboot/Shutdown the system.

The following four buttons are located to the left of the display and are used to make selections:

(M)enu: This button has two functions. On any of the status or performance displays, pr essing

this button launches the RamSan-810 Main Menu. It is also used as an escape function. Once the menu is open, pressing it returns the user to the prior screen.

(S)elect: When a menu item is on the display, pressing this button will either execute that menu

option or proceed to the next layer in the menu.

: This button scrolls up through the menu. It is also used to cancel certain commands as

indicated on the display. If the menu is not selected, th is button is disabled.

: This button scrolls down through the menu. It is also used to conﬁrm certain commands as

indicated on the display. If the menu is not selected, th is button is disabled.

You can scan through the ﬁrst level of options on the RamSan-810 by pressing the Menu key.



Selecting “System Info” displays information about your RamSan-810.



Selecting “System Status” allows you to view the system informational, warning, and/or error mes-

Main Menu System Info

Main Menu System Status

sages. These are the s ame messages which scroll across the status screen.

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

Selecting “Net Conﬁg” allows you to connect your RamSan-810 to your network. See Section 5.5 for more information.



Selecting “LED Conﬁg” gives you a variety of options for controlling the LEDs on the left-hand side of the front of the RamSan-810.



Selecting “Display Logo” displays the Texas Memory Systems, Inc. logo on the front panel display. T his option becomes “Disable Logo” once it has been set.



Selecting “Restart” reboots your RamSan-810. See Section 5.4.2 for more information.

Main Menu Net Config

Main Menu LED Config

Main Menu Display Logo

Main Menu Restart



Selecting “Poweroﬀ” turns oﬀ your RamSan-810. See Section 5.4.1 for more information.

Main Menu Poweroff

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5.4 Controlling System Power with the Front Panel Display

The RamSan-810 has features that allow the administrator to safely power down the system. Before powering down the system, unmount the drives from your OS. Do not turn oﬀ th e system by unp lugging the power cords.

5.4.1 Poweroﬀ

The administrator can shut down the RamSan-810 manually from the front panel display.



To shut down the system using the front panel, use the arrow buttons to cycle through the top-level menu to select “Poweroﬀ.” Use the Select button to select this menu item.



The display prompts you to conﬁrm that you wish to “Poweroﬀ ?.” To cancel the shutdown, use the button to return to the main menu. To proceed with the shutdown, use the

button to conﬁrm the system

power oﬀ.

Main Menu Poweroff

Poweroff?

Yes,^No



Now the front panel display indicates that the system is powering oﬀ. When the system is ready, it will

Powering Off

60% ■■■■■■■

automatically shut oﬀ.

To turn the RamSan-810 back on after a manual shutdown, press the power button to the right of the power supplies.

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5.4.2 Restart

The administrator can also reboot the RamSan manually from the front panel display.



To reboot the system using the front panel, use the arrow buttons to cycle through the top-level menu to select “Restart.” Use the Select button to select this menu item.



The display prompts you to conﬁrm that you wish

to restart the system. To cancel, use the

button to return to the main menu. To proceed with the restart, use the_button to conﬁrm.



Now the front panel display indicates that the system is powering oﬀ. When the system is ready, it will automatically shut oﬀ. In approximately 9 seconds time, the system will turn back on.

Main Menu Restart

Restart?

Yes,^No

Rebooting

60% ■■■■■■■

5.4.3 Automatic Shutdown

In the event that the system senses a high system temperature, power out of range, or a variety of other dangerous environmental conditions, the system will automatically initiate the shutdown procedure.

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5.5 Network Con ﬁguration with the Front Panel Display

The RamSan-810 allows system monitoring and conﬁguration through the installed Ethernet port. To access the system’s Ethernet port you will need to provide it with an IP address, subnet mask, and possibly a gateway address. The administrator may assign the IP address in one of three ways: Static IP, DHCP, or No Ethernet. The default factory setting is DHCP.

For any questions regarding IP assignment values, please consult your network administrator.

To set up the network via the front panel, u s e the arrow buttons to cycle through the top-level menu options until the display shows “Net Conﬁg.” Use the Select button to choose this option and continue with the conﬁguration. You may now use the arrow buttons to scroll through the following menu options:



Displays a list of the current IP conﬁguration, hostname, IP address, subnet mask, gateway address (if applicable), and hardware MAC addr ess for each Ethernet port.

Net Config Show Current



Conﬁgure the Eth0 Ethernet port.

Net Config Eth0 Config



Shuts down and restarts the Ethernet port using the current IP assignment conﬁguration.



Exits the network menu.

Net Config Restart Net

Net Config Exit Menu

To continue setting up the Ethernet conﬁguration, select “Eth0 Conﬁg.”

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After selecting “Eth0 Conﬁg,” you may use the arrow buttons to cycle through the following:



Enables a static IP address for the RamSan-810.

Set IP Config Static



Sets the IP conﬁguration to DHCP.

Set IP Config DHCP



Disables Ethernet.

Set IP Config None



Returns to the Main Menu without making any changes.

Set IP Config Exit

Talk to your network administrator for the p roper IP assignment type. Use the Select b utton to select the desired method of IP assignment. If choosing either the “DHCP” or “None” option, you are asked to conﬁrm the selection with the_button.

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5.6 Conﬁguring a Static IP Address

To conﬁgure the RamS an-810 with a static IP, the system requires the IP address, subnet mask, and possibly a gateway address.



After you have chosen “Static IP”, the display prompts you to enter an address. Use the

and_buttons to move the cursor. Push Select to cycle through the numbers 0 through 9. You can abort your current changes at any time by pressing the Menu button and following the dialog.



After you have ﬁnished entering th e IP address, scroll the cursor oﬀ the end — this brings up the “Subnet Mask” screen. Using the same procedure as entering the IP address, enter the subnet mask.



The ﬁnal value you must enter is the “Ethernet Gateway.” If the RamSan-810 is on a private net-

work and this value is not needed, enter “0.0.0.0” on the next screen. Press any key to dismiss this message.

IP Address:  192.000.

000.000

Subnet Mask:  255.255.

255.000

For no gateway

use 0.0.0.0



Enter the gateway IP address.

Gateway:  192.168.

111.001



After entering all the n ecessary values, you may review, apply, edit, or cancel your changes through the “Review Conﬁguration” screen.

Review Config  Config

Apply Edit

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

To apply your changes, select the “Apply new settings” option. The changes are then applied and the network is automatically restarted.



You should see the network restarting.



The ﬁnal screen displays the assigned IP address.

Assign Static IP to eth0?

Y,^N

Net Restart

o o o o o o o

New IP:

192.168.111.101

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5.7 Conﬁguring DHCP

The RamSan-810 comes from the factory using DHCP as its IP address method. To conﬁgure your DHCP server you may need to know the RamSan-810’s hardware MAC address. Follow the instructions below to get the MAC address and to set up your system to use DHCP:



From the “Net C onﬁg” sub-menu select the “Show Current” option. This will display a list of informa-

tion for both Ethernet devices.



Use the_button to scroll to section displaying the information for the desired Ethernet device. The MAC address will be at the bottom of this section and will be displayed as 6 octets. Use this value to conﬁgure your DHCP server.



Re-enter the “Net Conﬁg” menu, then “Eth0 Conﬁg” menu and select “DHCP.”

Net Config  Show Current

MAC Address: a2:78:90: f7:01:88

Set IP Config DHCP



The next screen commits the changes and automatically restarts the network.



You should witness the n etwork restarting.

Use DHCP for eth0?

Yes,^No

Net Restart

o o o o o o o



The ﬁnal screen displays the IP address assigned by the DHCP server.

New IP:

192.168.111.101

If the network fails to start, check the Ethernet connection and contact your system administrator. If the IP conﬁguration was successfully saved, you may simply select the “Restart

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Net” option from the “Net Conﬁg” menu instead of re-selecting the same IP conﬁguration.

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5.8 Additional System Management Options

5.8.1 Connecting using Telnet and SSH

Once the administrator conﬁgures the Ethernet port on the RamSan-810 using the front panel, you may remotely monitor the system using a Telnet or SSH session. Set your terminal settings to VT100 mode.

To learn more about managing the RamSan-810 using the Telnet or SSH connections, see the RamSan Command Line Interface Manual available from Texas Memory Systems, In c.

5.8.2 Connecting using th e Web Monitor

The RamSan-810 is equipped with a browser-enabled to ol to facilitate system monitoring, management, and conﬁguration. This Java-based monitoring application is the most popular and convenient RamSan-810 management tool and will be introduced and discussed in greater detail below.

Texas Memory Systems, Inc. also provides an extensive Web monitor user’s manual called the RamSan Web Interface Guide.

5.8.3 Monitoring using SNMP

RamSan-810 supports the Simple Network Management Protocol (SNMP), which is the dominant network management protocol. The industry has accepted this protocol due to its relative simplicity. SNMP standards provide a framework for the deﬁnition of management information along with a protocol for the exchange of that information. The RamSan-810 is compatible with SNMP v2c.

The SNMP model contains “managers” and “agents.” A manager is a software module responsible for managing the conﬁguration on behalf of the network management application end users. Agents are devices, such as the RamSan-810, which are responsible for maintaining local management information and delivering that information to a manager via SNMP. Both the manager (via polling) and the agent (via a trap) can initiate management information exchanges.

Managers can access statistical information from the RamSan-810 through its management information base (MIB). For more information on how to use the SNMP management capability, please see the RamSan SNMP Guide available from Texas Memory Systems, Inc.

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5.9 Web Monitor Basics

The RamSan-810 comes with a powerful Web-based management tool. It is important to learn how to use this tool, as it will make upkeep and maintenance of the system simple.

5.9.1 Acquiring the System IP Add r ess

To use the Web monitor, you must connect to it over your network. You will need to acquire the RamSan-810’s IP address - which can be accomplished from the front panel display.



Press the Menu button to display the “Main Menu.” Use the

and^buttons to ﬁnd the “Sys-

tem Info” option. Push the Select button.



Use the_button to scroll until you see the “Eth0 IP” line and the lines below it.



Take note of the IP address; it can be used for accessing the Web monitor.

Main Menu: System Info

Controller:

Eth0 IP:

192.168.111.101

Uptime:

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5.9.2 Accessing the Web Monitor

Accessing the Web monitor can be done from any Web browser that supports Sun Java v1.5 or later. You can download the Sun Java plug-in for Microsoft Internet Explorer for Windows and for both Linux and Windows versions of Firefox. To get the latest Sun Java plug-in, go to http://www.java.com.

Using a standard Web browser with the Sun Java plug-in, set the address to your IP address. It will take a moment to download the Java program (10 or 15 seconds) and then the window displayed in Figure 6 will appear.

Figure 6: Web Monitor Login Screen

The RamSan-810 ships with a default admin user deﬁned as the following:

User: admin Password: password

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After you log in , the window shown in Figure 7 will appear.

Figure 7: Web Monitor Opening Screen

From here you can expand or select the RamSan icon. A great deal of information is available in this monitor: ﬁrmware versions, system event warnings, environmental information, and system statistics.

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5.10 Date and time setup with th e Web monitor

When you acquire the system, it is important to verify that the date and time are correct. If they are incorrect, you can use the Web monitor to change them.

From the Web monitor, expand the “Management” tree under the system node. This will expose several sub-nodes.

Highlight “Date/Time.” This will display the current date and time as well as the amount of time the system has been up.

Figure 8: Web Monitor Date and Time Management

If the date and time are incorrect, you can set them manually. Either right-mouse click and select “Date/time conﬁguration. . . ” or left-mouse click the wrench icon in the button bar — both methods bring up the Date/Time conﬁguration window. Follow the instructions in this wizard to conﬁgure the date and time or specify an NTP (Network Time Protocol) server to supply this information.

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5.11 Network Conﬁguration with the Web Monitor

From the Web monitor, expand the “Management” tree under the system node. This will expose several sub-nodes. Highlight “Network” to display the current network settings.

Figure 9: Web Monitor Network Management

To modify the network conﬁguration, right-mouse click the “Network” n ode and select “Conﬁgure Ethernet 0.” You can also left-mouse click on “Ethernet 0” in the button bar. Both methods bring up the network conﬁguration wizard, which will prompt you for all conﬁgurable network settings.

Once you have edited the network settings and selected “Finish,” the settings will be saved and the system’s network will be restarted. You should see several system m essages displayed in the “Recent Event Log” panel of the Web monitor conﬁrming your settings.

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5.12 Managing security with the Web Monitor

5.12.1 Default Accounts

The RamSan-810 ships with a high-privileged user as well as a low-privileged user. The high-privileged user is allowed to change RamSan-810 conﬁgurations. This user is:

User: admin Password: password

The low-privileged user can view statistics, logs, and other information, but cannot change any RamSan-810 settings. The low-privileged user is:

User: user Password: password

5.12.2 Changing Passwords

You should conﬁgure the security on the RamSan-810 to suit your needs. At a minimum, you should change the high-pr ivileged user password to pr event accidental mishaps.

To conﬁgure users using the Web monitor, expand the “Management” tree under the system node. This will expose several sub-nod es. Highlight “Users.” This displays in formation about current user accounts in the “Detailed Information” window (Figure 10).

Figure 10: Web Monitor User Management

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Please change the password to your high-privileged user account (named “admin”) by selecting this user and left-clicking th e “Password” button. This will pop up the “Change Password” window shown in Figure 11.

Figure 11: Web Monitor Change User

Type in the new password and conﬁ rm it. Click “Next” to conﬁrm the change and then click the “Finish” button when ﬁnished.

5.12.3 Adding Users

You can add new us ers by selecting the “Add” button in the “Users” pane. Doing so will bring up the “Add User” window shown in Figure 12.

Figure 12: Web Monitor Add User

You can add high-privileged users by assigning the new user to the “admins” group. You can give the new user low-privileges by assigning them to the “users” group.

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5.13 Storage Modes

The RamSan-810 supports a variety of diﬀerent Storage Modes. Each mode is tailored to a common use case for a high capacity Solid State Disk.

Warning:

Switching between Storage Modes is a destructive action and will cause data loss. Please backup all data and contact Texas Memory Systems, Inc. (Section 9.3) before switching Storage Modes.

5.13.1 Max Capacity

This is the default Storage Mode used by the RamSan-810. This mode is the most ﬂexible and is useful in an environment where the entire capacity of the unit is needed. Max Capacity allows the RamSan-810 administrator to create Logical Units and assign Access Policies as needed. This mode is recommended for deployments where the RamSan-810 is mirrored or preferred read mirrored to other storage.

Warning:

If maintenance is performed that requires the replacement of a ﬂash card in the RamSan810, all of the data will need to be restored from a backup after the maintenance.

5.13.2 JBOF

This Storage Mode automatically creates one Logical Unit for each Flashcard present in the RamSan-810. The administrator can then assign Access Policies as needed. JBOF (Just a Bunch Of Flash) mode is useful in an environment where a host-based software RAID can be created to increase redundancy across the Flashcards.

Notice:

This feature requires a license to be in stalled on the system.

5.13.3 Data Acquisition

This Storage Mode creates one Logical Unit and assigns Access Policies to all interface ports. This mode is used to present the entire storage space to all connected devices.

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5.13.4 Active Spare

This Storage Mode automatically uses the last Flashcard in the unit as a spare. This provides another level of redundancy in the event that a Flashcard fails. Th is mode is useful in an environment where some of the RamSan-810’s storage capacity can be sacriﬁced for this additional data redundancy. With Active Spare, if a card experiences a recoverable failure (i.e., a ﬂash chip fails), the data is migrated oﬀ of the failed card and onto a designated spare. Then, later in a maintenance window, the failed card is r ep laced and the newly installed card becomes the new Active Spare. Please note that the Flashcards are not hot-swappable.

In this storage mode there are still a f ew components that are not protected by Active Spare, so there is a risk of an unrecoverable component failure. If a deployment requires no single point of failure, mirrored RamSan-810s using the Max Capacity storage mode is the recommended solution.

Notice:

This feature requires a license to be in stalled on the system.

Warning:

The failed card should be replaced immediately after the data replication is complete.

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5.14 Basic Logical Unit Creation

The most common management activity on the RamSan-810 is Logical Un it (LU) creation. This section will go over the basic LU creation activities (creating an LU and linking it to a port). For more in-depth conﬁguration details please consult the RamSan Web Interface Guide.

5.14.1 Creating a Logi cal Unit

Note:

Please review the available Storage Modes the RamSan-810 supports (Section 5.13) and choose the most appropriate mode before creating Logical Units.

You can create an L U f rom the “Logical Units” tree node by right-clicking and selecting “Create” or by clicking on the “Create” button on the “Logical Units” panel. This is shown in Figure 13.

Figure 13: Web Monitor Logical Unit

A wizard will open to guide you through the Logical Unit creation process. After reading the overview, click the “Next” button to set the Logical Unit Parameters. The parameters window is shown in Figure 14.

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Figure 14: Web Monitor Logical Un it Parameters

The parameters available for the Logical Unit are:



Name — This is a user-deﬁned name for the Logical Unit to make it easily identiﬁable.



Number — This is the Logical Unit Number (LUN) that is presented to the host.



Size — This is the size of the Logical Unit.



Device ID — This is an OpenVMS s peciﬁc identiﬁer.



Sector Size — This is the sector size of the Logical Unit.



Oﬀset — This sets the starting alignment oﬀset of the Logical Unit.



Report corrected media errors to the S CSI host — This controls whether any internal corrected errors are reported over the SCSI layer to the host. By d efault it is enabled. For most environments this should be set.



Report uncorrected media errors to the SCSI host — This controls whether any internal uncorrected errors are reported over the SCSI layer to the host. By default it is enabled.



Enable ACA Support — This enables Auto Contingent Allegiance (ACA) support for the Logical Unit. Some host systems, such as AIX, require this in order to run multiple concurrent commands. After this option is changed, all interface ports which have access to the logical unit must be reset.

After setting the appropriate values, click “Next.” A ﬁnal window will conﬁrm the values. After clicking “Finish,” the Logical Unit will be created. For the Logical Unit to be used, an access policy must deﬁned.

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5.14.2 Logical Unit Ac cess Policies

The Web Management Interface provides the ability to create access lists for individual Fibre Channel or InﬁniBand ports. This allows the administrator to specify which ports are allowed to communicate with each Logical Unit.

Logical Units will be displayed with a warning state notifying the administrator that a Logical Unit was created and has not been presented to any hosts until an access policy has been deﬁned, shown in Figure 15.

Figure 15: Web Monitor Logical Unit with No Access Policy

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5.14.3 Adding an Ac cess Policy to a Logic al Unit

To make Logical Units accessible to connected servers, the next step is to link the Logical Unit to the RamSan-810’s Fibre Channel and/or InﬁniBand ports.

Click the “Access” button on the “Logical Unit Overview” screen to start the access policy wizard.

The ﬁrst step of the access policy w izard will provide an overview of the process. After reading the overview, click the “Next” button to continu e to the “Modify Access Policies” screen, shown in Figure 16.

Figure 16: Web Monitor Access Policies Wizard

The left-hand tree titled “Available” shows a tree of all controller ports in the system with each port’s available access policies underneath. The right-hand tree titled “Assigned” shows the policies currently in-use for each port in the system. If there are potential conﬂicts b etween policies assigned and policies available, the conﬂicting available p olicies will be disabled in the “Available” tr ee (see Figure 35 for an example).

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If the system detects a host server connected to the controller port for the access policy, the policy node’s connector icon will have a little green plus sign. In Figure 16, for example, the system has detected that some hosts are connected on each controller port, and some are not.

To add an Access Policy, select the desired policy node from the “Available” tree. When it is highlighted, the “>>” b utton will become enabled. Clicking this button will move the policy from the “Available” tree to the “Assigned” tree. When a new policy is added to the “Assigned” tree, its text color is green.

To remove an Access Policy, select the desired policy node from the “Assigned” tree and click the “<<” button. The policy will be removed from the “Assigned” tree and added to the “Available” tr ee. When an in-use policy is deleted from the “Assigned” tree, its text color will be red in the “Available” tree.

Policy changes are not committed until the next step in the wizard.

Figure 17: Web Monitor Modiﬁed Access Policies

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When policy modiﬁcations are complete, click “Next” to continue to the modiﬁcations review page shown in Figure 18.

Figure 18: Web Monitor Conﬁrm Access Policy Modiﬁ cations

If policy modiﬁcations are only policy additions, click the “Conﬁrm” check-box and click “Finish” to exit the wizard and commit the policy changes. If there are policy removals, you will instead be required to enter the login password to ﬁnish the wizard and commit the mo diﬁcations as shown in Figure 18.

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5.15 Viewing the Sys tem Logs with the Web Monitor

5.15.1 System Event Log

Perhaps the most important part of the Web monitor is the system event log. This log keeps track of all events that occurred within the system. If you are having trouble with your system, be sure to open the system event log and check this information.

Figure 19: Web Monitor Logs

The log events displayed in Figure 19 are not indicative of a shipped system.

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5.15.2 System Report

A second log is accessible via the Web monitor called the System Report. It contains information about the system conﬁguration, ﬁrmware version, environment, and a range of other information, including a copy of the system event log. A System Report should always be on-hand when diagnosing problems with Texas Memory Systems, Inc.’s customer support.

To access the System Report from the Web monitor, right-mouse click the “Logs” item in the system’s tree and select “System Report. . . ” (Figure 20).

Figure 20: Web Monitor Log Options

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Figure 21: Web Monitor System Report

5.15.3 Clearing the Sys tem Event Log

To clear the system event log, right-mouse click the “Logs” node and select “Clear Event Log. . . ” (Figure 20) — alternatively, left-mouse click the “Clear Event Log” button in the

button bar.

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5.16 Upgrading the System with the Web Mo nitor

It is easy to upgrade your RamSan-810 using the Web monitor if you have a p atch ﬁle.

From the Web monitor, expand the “Management” tree under the system node. This will expose several sub-nodes. Highlight “Firmware.” This will display the current RamSan-810 ﬁrmware version.

Figure 22: Web Monitor Firmware Management

To update the ﬁrmware either right-mouse click and select “Firmware update. . . ” or left-mouse click the “Update” button in the button bar. Both methods bring up the patch ﬁle selector window.

Warning:

Patching the RamSan-810 is a delicate process. If the patch is interrupted, the system can become unusable and may have to be sent back to the factory for repair. If your system’s patch is interrupted, immediately call Texas Memory Systems, Inc. (Section 9.3). Depending upon the state of the system, it may be repairable.

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Figure 23: Web Monitor Patch Selection

Either type in the path and ﬁle name of the patch or use the “Browse. . . ” button to browse for the ﬁle. When the ﬁle is selected, left-click the “Next” button and follow the instructions.

The ﬁnal step of the wizard will upload the patch onto the system. You will need to power cycle your RamSan-810 to apply and activate the new patch.

An uploaded ﬁrmware patch may be canceled before the system is restarted. To cancel a patch, click the “Cancel Patch” button and conﬁr m that you wish to cancel the currently uploaded patch.

Figure 24: Web Monitor Cancel Firmware Update

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5.17 Web Monitor Task Management

The RamSan-810 has the ability to record all conﬁguration changes since the last power-cycle. This information can be very valuable when diagnosing conﬁguration problems.

The current tasks are located on the “Task Monitor” tab next to the “Recent Event Log” at the bottom of the Web monitor (Figure 25).

Figure 25: Web Monitor Task Information

6 System Licenses

The RamSan en ab les access to advanced f eatures if you provide a valid license key for the feature.

You may add or remove a sys tem license by selecting the “Management” node in the tree and clicking the “Licenses” button. This opens a conﬁguration window where a license can be removed or added by providing a valid key.

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Figure 26: System Licenses Conﬁguration

The RamSan currently su pports the following license-only features:



JBOF Storage Mode



Active Spare Storage Mode



Mail Service



Statistic Log



Conﬁguration Restore



Logical Unit Masking



LDAP



Terawatch



Log Lun

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6.1 JBOF Storage Mode

This Storage Mode automatically creates one Logical Unit for each Flashcard present in the RamSan.

6.2 Active Spare Storage Mode

This Storage Mode automatically uses the last Flashcard in the system as a spare.

6.3 Mail Service

The RamSan’s Mail Service provides system event e-mail notiﬁcations and the ability to e-mail the System Report directly to Texas Memory Systems, Inc. for support.

You may conﬁgure the Mail Service settings by selecting the “Management” node in the tree and clicking the “Mail” node, which displays an overview panel. Clicking the “Conﬁgure” button opens the conﬁguration wizard. This wizard allows enabling available features, setting the SMTP server, and entering target e-mail addresses.

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Figure 27: Mail Service Overview

Any available Mail Service features may be enabled by checking the box corresponding to the feature.

Figure 28: Mail Service Features

The SMTP server may be set manually or found automatically from DHCP by setting the server value to ‘default’. Up to ﬁ ve e-mail targets may be speciﬁed to receive any e-mails sent by the service.

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Figure 29: Mail Service Con ﬁguration

To email the Sys tem Report, select the “Logs” node in the tree and click the “Email System Report” button in the tool bar above the Event Log. This button is also available in the dialog to view the system report by clicking the “System Report” button. The “Email System Report” button opens the dialog shown in Figure 30.

Figure 30: E-mail System Report

Fill out the “From:” and “Comment:” ﬁelds, then click “OK” to send the System Report. This will take a few seconds to complete while the report is generated. Click “Cancel” to close the dialog without sending a report.

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6.4 Statistic Log

RamSan systems are able to save logs of system statistics such as system bandwidth and the maximum temperature of all system compon ents. Additionally, user-speciﬁed statistics can be added to the logged list.

The “History” node under “Statistics” shows the currently logged list.

Figure 31: Statistics History Panel

6.4.1 Viewing Statistics Lo gs

To view a single or multiple statistics’ histories, select the statistic(s) in the “Currently Logged Stats” table (control+click to select multiple statistics), then click the “Save/View” action.

This will open a dialog window displaying a graph of the statistic’s daily history showing the time in the x-axis and the statistic’s value in the y-axis.

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Figure 32: Viewing a Statistic

Select between the “Day,” “Month,” or “Year” radio buttons to change the time period shown in the graph.

The darker-colored line graph drawn for a statistic is an average line of periodic samples. The variance of these samples is represented by a lighter-shaded polygon of the same color. Use the “Variance” check-box to turn on or oﬀ drawing the variance.

Use the “Save...” button to save the graph image as a JPEG or a CSV ﬁle (Comma-Separated Values).

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6.4.2 Conﬁguring Logged St atistics

With the “Conﬁgure” button, a user can add or remove system statistics to the logged history list. The original list of logged statistics cannot be removed b ut any user-added statistic can.

Figure 33: Adding or Removing a Statistic

The “Conﬁgure” button opens a conﬁguration dialog. The ﬁrst page of the wizard following the overview (Figure 6.4.2) shows on the right the same list as shown on the “History” panel of all currently logged statistics.

The left side of the page has two list boxes. The top box lists system components. Selecting a component from this list generates a list of its statistics in the lower box, similar to the statistics graph conﬁguration dialog.

To add a statistic to the logged list, select a component and statistic pair and click the center “Add” button. The n ew statistic s hould appear at the bottom of the logged statistics list.

To remove a statistic, select it in the logged list and click the “Remove” button. The next page of the wizard is the conﬁrmation page. Any added statistics should be shown at the bottom of the list. Click the conﬁrmation check-box and “Finish” to complete the wizard and save any changes.

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6.5 Conﬁguration Save/Restore

The RamSan has the ability to save a conﬁguration including Logical Units, users, etc. and restore it at a later date. This is beneﬁcial if you have multiple RamSan systems and would like each one to have an identical conﬁguration. You can easily conﬁgure one system, save its conﬁguration, and restore this conﬁguration on all other RamSan systems with the Conﬁguration Restore license.

You can save a system’s conﬁguration by clicking the “Save Conﬁguration” button on the “Management” tree node (Figure 34). This allows you to select a ﬁle to save the conﬁguration. Remember the ﬁle name and location as it will be needed to restore the conﬁguration at a later time.

You can restore a conﬁguration by clicking “Restore Conﬁguration” (Figure 34) on the system you would like to restore the conﬁguration to and choosing the previously saved conﬁguration ﬁle.

Figure 34: Conﬁguration Save/Restore

Warning:

Restoring a conﬁguration will destroy the current conﬁguration including Logical Units. All data on all Logical Units will not be recoverable.

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6.6 Logical Unit Maskin g

Logical Unit (LU) Masking gives the ability to assign access policies to a Logical Unit restricting access to speciﬁc host servers through a controller port. This is opposed to “Open Access” where the Logical Unit is accessible to all hosts connected to the port.

When the LU Masking feature is installed, access to speciﬁc hosts can be created through either the Command Line Interface by specifying the host’s World Wide Port Name (WWPN) as the optional “host ID” argument or through the web management interface’s Access Policy Wizard. With LU Masking available, the wizard will show the WWPNs of connected hosts in its “Available” policy tree (see Figure 35). The wizard also gives the ability to create host ID aliases.

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Figure 35: Logical Unit Access Wizard

A host ID alias allows you to associate a meaningful text name with a host’s WWPN. To create a new alias, click the “New Alias...” button on the Access Policy Wizard underneath the “Available” policy tree. This will open a dialog (Figure 36) which requires the host’s WWPN in the “Host ID:” text box and the alias name in the “Alias:” text box.

Figure 36: New Alias Dialog

Click “Add” to ﬁnish and save the alias. The aliased host will now be listed in the Access Policies tree for each controller. Figure 37 shows an example alias called “myHost” for WWPN “00:11:22:33:44:55:66: 77.”

Figure 37: Access Wizard With Aliased Policies

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To remove or edit existing aliases, use the “Edit Alias...” button on the Access Policy Wizard. This opens the dialog shown in Figure 38.

Figure 38: Edit Alias Dialog

The “Remove” button deletes the currently selected alias. To change an alias’ name, select the alias in the table and click the “Re-alias” button to enable the ”Alias” table cell for editing. When changes are complete, press the “Enter” key to leave edit mode and save the changes to the table. Click “OK” to exit the dialog.

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6.7 Lightweight Directo ry Access Protoco l

The Lightweight Directory Access Protocol (LDAP) is used on the RamS an to provide central authentication of login credentials in addition to any local users.

Note:

Users that are authenticated on th e LDAP server will be granted user-level permissions.

When the LDAP license is installed, this feature is not immediately enabled. The RamSan’s LDAP settings must ﬁrst be conﬁgured to match the server. The following settings can be conﬁgured w ith the LDAP wizard in the “Management”/“Users” node (see Figures 39 and 40).



Host

This is your LDAP server. It must be resolvable without using LDAP. Multiple hosts may be speciﬁed, each separated by a space.



Base DN

This is the distinguished name of the search base.



Port (Optional) This is the port that will be used to connect to the LDAP server. Leaving this defaulted will use port 389 for TL S or n o encryption, and port 636 for SSL encryption. If you use a diﬀerent port, make s ure to specify it in this ﬁ eld.



Bind DN (Optional) This is the distinguished name that will be used for binding to the LDAP server. If left defaulted, the RamSan will try to bind anonymously.



Bind Password (Optional) This is the password that the LDAP server will use to authenticate the “Bind DN” when the RamSan tries to bind.



Timeout

This is the timeout in seconds to wait for an LDAP search operation.



Bind Timeout

This is the timeout in seconds to wait for an LDAP bind operation.



Encryption

Choose which type of encryption to use for communication with the LDAP server.

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Figure 39: Enable LDAP

Figure 40: Modifying LDAP Settings

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6.8 Terawatch

The Terawatch license enables you to manage multiple s ys tems f rom a single web management interface.

The “Add System” button allows you to log in to additional systems, thereby allowing you to manage multiple systems at once.

The “Discover” button performs a network broadcast to discover other systems on the network. To set options for this action, open the “Preferences” window by clicking “Preferences” in the “Options” menu. Select the “Discovery” tab and set the desired options.

Figure 41: Add System and Discover Buttons

The web management interface also provides a way to view statistics, connect, or patch multiple systems simultaneously. These actions are available under the “Options” menu.

Figure 42: Multiple S ystems Management Actions

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6.9 Log Lun

The Log Lun license enables the creation of Log Luns that improve 512 byte write performance by using additional space.

Notice:

This feature will use 8 times as much space.

During LU creation, Log Luns may be enabled by checking the box corresponding to th e feature. When enabled, the available size of the Logical Unit’s capacity will be decreased by a factor of 8.

Figure 43: Cr eate Logical Unit with Log Lun

7 System Maintenance

Texas Memory Systems, Inc. designed the RamSan-810 to be easily maintainable. You can hot swap the power supplies, which means that you can remove and replace these comp onents while the system is running.

Electro-Static Discharge Warning:

Please take full E.S.D. precautions if it is necessary at any time to come into contact with any circuit boards, components, or connectors. Electrostatic discharge can damage the components used in the RamSan-810 and its interfaces.

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7.1 Power Supplies

The RamSan-810 includes two power modules. The system requires one functioning p ower module to run. Please consult Section 4.4 above f or more information.

If the RamSan-810 power supplies fail, they can be replaced while the power remains on to the system. There are several ways to detect a bad power supply. The easiest way is to examine the Web monitor or front panel display for any power related errors or warnings.

Texas Memory Systems, Inc. has taken special care to enclose the RamSan-810 power modules in a protective case to minimize the electrical risks for users; however, it is critical for users to follow the following steps when removing and replacing the power modules:



Disconnect the power cord f rom the power supply.



Wait 15 seconds.



Remove the power module that needs to be replaced from the RamSan-810 chassis by pressing the release switch and pulling squarely on the power supply handle. DO NOT

REACH INSIDE THE PROTECTIVE ENCLOSURE AFTER REMOVING THE POWER SUPPLY.



Insert the replacement power module in the RamSan-810 chassis. Make sure the power supply is properly oriented to mate with the connectors, then insert the power supply squarely and press ﬁrmly until the power sup ply is fully inserted into the system.



Reconnect power to the new power supply.



The new power su pply begins to operate immediately.

Warning:

Replace failed power modules as soon as possible.

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7.2 Fans

The system has one fan cage in front of the Flash sticks. These fans cool components in the system. Internal sensors report the fans’ speeds.



If a fan degrades in performance, the front panel display will show the fan’s speed. In this situation, the fan is still working, but it is not eﬃcient. The error line ”** SystemEnv Fan 8 speed is below normal levels (6122.82 RPM)” scrolls across the top display row.



If a fan completely stops working an error is reported on the front panel display. The error line ”** SystemEnv Fan 8 speed is critically low (0.00 RPM)” scrolls across the top display row.

Warning:

Fix or replace failed fans as soon as possible. If too many fans fail the system temperatur es may rise past an acceptable range. If this happens, the system may turn oﬀ to prevent component damage.

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Figure 44: Web Monitor Fan Failure Detection

You can use the Web monitor to detect more speciﬁc information on failing or failed fans. Once your system is displayed in the Web monitor, select “Environmental”/“Fans.” This will display a list of all fans. Please see Figure 44 for a fan failure example.

To ﬁx a fan, tu rn oﬀ your system and remove the lid.

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Figure 45: Top of an Open RamSan-810, Locations of the Fan Cage

Figure 46: Extracted Fan Cage

Once you have extracted the fan cage, ﬁnd the failed fan. There is a good chance that hair or dust has collected on the fan and all it needs is to be cleaned. Blowing compressed air into the axle of the fan can clear obstruction or debris. If the fan cannot be cleaned or repaired, the entire cage must be replaced.

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7.3 Batteries

Two batteries are included to provide emergency power to the ﬂash in case of a sudden power loss.

Warning:

The included batteries do NOT provide a system-wide power redundancy. If power is lost from both the power supplies, the system will power oﬀ.

7.3.1 Connecting the Batteries

The RamSan-810 is shipped with the batteries connected. These batteries should stay connected at all times, even when the RamSan-810 is not in use. If directed by support to remove/reconnect the batteries, follow the steps below. For long-term storage advice, please contact support.

Unfasten the red straps and connect the heavy red battery connector to the appropriate red connector from the board for each battery.

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Figure 47: Battery Connectors

Plug the white connector from each battery into the battery board. R efasten the red straps for each battery.

Figure 48: Power Connector Unplugged

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7.3.2 Monitoring battery h ealth

Internals sensors report on the battery voltage level, and a monthly test ensures that the electrical current supplied from the batteries will be enough to handle a sudden power loss. If the battery voltage is out of speciﬁcation or the the monthly battery test fails, warnings will be reported. If they degrade and are unusable, errors are reported. The batteries are redund ant, so data is not at

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Figure 49: Web Monitor for Batteries

risk in the event of a power failure, however replacing the failed battery quickly is recommended.

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8 End User License Agreement

The ﬁrmware in the RamSan-810 contains software originating from both Texas Memory Systems, Inc. and the open source community.

All software in the RamSan-810 originating from the open source community is licensed under the speciﬁc license applicable to that software as provided in the following sections. By using the RamSan-810, you agree to be bound by the terms of each of these licenses. Where any speciﬁc license terms entitle you to source code of such software, that software is available directly from Texas Memory Systems, Inc.. You are entitled to the source code of all GPLv2 licensed software for a period of three years from the purchase date of the RamSan-810. If you would like a copy of the open source code entitled to you, please submit a written request to Texas Memory Systems, Inc. at the address listed at the end of this manual and in clude the serial number of your RamSan-810 along with your requ est.

8.1 GNU General Public License

GNU GENERAL PUBLIC LICENSE

Version 2, June 1991

51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.

Preamble

The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation’s software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too.

When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it

RamSan-810 User’s Manual - 66 - Texas Memory Systems, Inc.

if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things.

To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it.

For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights.

We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software.

Also, for each author’s protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors’ reputations.

Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone’s free use or not licensed at all.

The precise terms and conditions for copying, distribution and modification follow.

GNU GENERAL PUBLIC LICENSE

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law:

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that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you".

Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does.

1. You may copy and distribute verbatim copies of the Program’s source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program.

You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee.

2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions:

a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change.

b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License.

c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under

RamSan-810 User’s Manual - 68 - Texas Memory Systems, Inc.

these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.)

These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it.

Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program.

In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License.

3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following:

a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or,

b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or,

c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is

RamSan-810 User’s Manual - 69 - Texas Memory Systems, Inc.

allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.)

The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable.

If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code.

4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance.

5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it.

6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further

RamSan-810 User’s Manual - 70 - Texas Memory Systems, Inc.

restrictions on the recipients’ exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License.

7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program.

If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances.

It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice.

This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.

8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates

RamSan-810 User’s Manual - 71 - Texas Memory Systems, Inc.

the limitation as if written in the body of this License.

9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns.

Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation.

10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally.

NO WARRANTY

11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER

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PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

END OF TERMS AND CONDITIONS

8.2 OpenS SL License

The RamSan-810 contains software developed by th e OpenSSL project (http://wwww.openssl.org). The OpenSSL toolkit stays under a dual license, i.e. both the conditions of the OpenSSL License and the original SSLeay license apply to the toolkit. See below for the actual license texts. Actually both licenses are BSD-style Open Source licenses. In case of any license issues related to OpenSSL please contact openssl-core@openssl.org.

OpenSSL License

---------------

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright

notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. All advertising materials mentioning features or use of this

software must display the following acknowledgment: "This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit. (http://www.openssl.org/)"

4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

endorse or promote products derived from this software without prior written permission. For written permission, please contact openssl-core@openssl.org.

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5. Products derived from this software may not be called "OpenSSL"

nor may "OpenSSL" appear in their names without prior written permission of the OpenSSL Project.

6. Redistributions of any form whatsoever must retain the following

acknowledgment: "This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.openssl.org/)"

THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ‘‘AS IS’’ AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ====================================================================

This product includes cryptographic software written by Eric Young (eay@cryptsoft.com). This product includes software written by Tim Hudson (tjh@cryptsoft.com).

Original SSLeay License

-----------------------

This package is an SSL implementation written by Eric Young (eay@cryptsoft.com). The implementation was written so as to conform with Netscapes SSL.

This library is free for commercial and non-commercial use as long as the following conditions are aheared to. The following conditions

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apply to all code found in this distribution, be it the RC4, RSA, lhash, DES, etc., code; not just the SSL code. The SSL documentation included with this distribution is covered by the same copyright terms except that the holder is Tim Hudson (tjh@cryptsoft.com).

Copyright remains Eric Young’s, and as such any Copyright notices in the code are not to be removed. If this package is used in a product, Eric Young should be given attribution as the author of the parts of the library used. This can be in the form of a textual message at program startup or in documentation (online or textual) provided with the package.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the copyright

notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright

notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. All advertising materials mentioning features or use of this software

must display the following acknowledgement: "This product includes cryptographic software written by

Eric Young (eay@cryptsoft.com)" The word ’cryptographic’ can be left out if the rouines from the library being used are not cryptographic related :-).

4. If you include any Windows specific code (or a derivative thereof) from the apps directory (application code) you must include an acknowledgement: "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ‘‘AS IS’’ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

RamSan-810 User’s Manual - 75 - Texas Memory Systems, Inc.

The licence and distribution terms for any publically available version or derivative of this code cannot be changed. i.e. this code cannot simply be copied and put under another distribution licence [including the GNU Public Licence.]

8.3 Other copyrighted works

The RamSan-810 contains software from the following packages:

JGoodies (http://www.jgoodies.com), Copyright (c) 2002-2008 JGoodies Karsten Lentzsch, All rights reserved; lighttpd (http://www.lighttpd.net), Copyright (c) 2004, Jan Kneschke, incremental, All rights reserved; strace (http://sourceforge.net/projects/strace), Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>, Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>, Copyright (c) 1993 Ulrich Pegelow <pegelow@moorea.uni-muenster.de>, Copyright (c) 1995, 1996 Michael Elizabeth Chastain <mec@duracef.shout.net>, Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>, Copyright (C) 1998-2001 Wichert Akkerman <wakkerma@deephackmode.org>, All rights reserved; net-snmp (http://net-snmp.sourceforge.net), Copyright 1989, 1991, 1992 by C arnegie Mellon University, Derivative Work - 1996, 1998-2000 Copyright 1996, 1998-2000 The Regents of th e University of California, All Rights Reserved, Copyright (c) 2001-2003, Networks Associates Technology, Inc., All rights reserved, Portions of this code are copyright (c) 2001-2003, Cambridge Broadband L td., All rights reserved, Copyright 2003 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, California 95054, U.S.A., All rights reserved, Copyright (c) 2003-2005, Sparta, Inc., All rights reserved, Copyright (c) 2004, Cisco, Inc and Information Network Center of Beijing University of Posts and Telecommunications., All rights reserved, Copyright (c) Fabasoft R&D Software GmbH & Co KG, 2003 oss@fabasoft.com Author: Bernhard Penz <bernhard.penz@fabasoft.com>

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

o Redistributions of source code must retain the above copyright notice,

this list of conditions and the following disclaimer.

o Redistributions in binary form must reproduce the above copyright notice,

this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

o Neither the name of organizations listed above nor the names of

its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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9 Troubleshootin g

The RamSan-810 is a complex system with many redundant features to safeguard your data; however, components can fail. The RamSan-810 has many ways to inform the user about what is happening inside the system.

The easiest way to detect if something has gone wrong is to monitor the front p anel display. The normal display will show a line at the top that tells you if the system is “Good.” If the system has detected an error or if something has gone wrong, the front p an el display will report the error in a concise manner.

Once a problem has been diagnosed, it is important to clear the errors from the log (Section

5.15.3). That way, future logs are not confused with old, ﬁxed errors.

9.1 System Event Log

The system event log made available via the Web monitor will provide more detailed information. Please see Section 5.15.1 for more information on how to access the log.

All errors persist; that is, they are permanently logged until the problem h as been solved and the log has been cleared.

9.2 System Report

The System Report provides a snapshot of all current conﬁguration settings, statistics, and the Event Log. This is available via the Web monitor (Section 5.15.2).

9.3 Contacting Texas Memory Systems, Inc.

Contact Texas Memory Systems, Inc. for additional support. Before contacting Texas Memory Systems, Inc., please save a copy of the System Report to sen d to technical support.

TEXAS MEMORY SYSTEMS, I NC. 10777 Westheimer, Suite 600 Houston, TX 77042 United States of America

Web Site: www.ramsan.com Phone: +1 (713) 266-3200 Email: support@texmemsys.com

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Texas Memory Systems RamSan-810, RamSan-710 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual