The HP StorageWorks Network Storage Router M2402 provides bi-directional connectivity in
either a Fibre Channel Switched Fabric or a Fibre Channel Arbitrated Loop environment,
supporting Fibre Channel and SCSI devices.
This user guide provides instructional information for installing and configuring the network
storage router.
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Network Storage Router M2402 User Guide
Third Edition (March 2004)
Part Number: 269782-004
This guide is intended for administrators with a moderate knowledge lev el of
network environments.
About this Guide
About this Guide
17Network Storage Router M2402 User Guide
About this Guide
Conventions
Conventions consist of the following:
■Document Conventions
■Text Symbols
■Equipment Symbols
Document Conventions
The document conventions included in Table 1 apply in most cases.
Table 1: Document Conventions
Cross-reference linksFigure 1
Key and field names, menu items,
buttons, and dialog box titles
File names, application names, and text
emphasis
User input, command and directory
names, and system responses (output
and messages)
Variables
Website addresses
ElementConvention
Bold
Italics
Monospace font
COMMAND NAMES
monospace font unless they are case
sensitive
are uppercase
<monospace, italic font>
Underlined sans serif font text:
http://www.hp.com
Text Symbols
The following symbols with the following meanings may be found in this guide.
WARNING: Text set off in this manner indicates that failure to follow
directions in the warning could result in bodily harm or loss of life.
18Network Storage Router M2402 User Guide
Caution: Text set off in this manner indicates that failure to follow directions
could result in damage to equipment or data.
Note: Text set off in this manner presents commentary, sidelights, or interesting points
of information.
Equipment Symbols
The following equipment symbols may be found on hardware for which this guide
was written. They have the following meanings.
About this Guide
Any enclosed surface or area of the equipment marked with these
symbols indicates the presence of electrical shock hazards. Enclosed
area contains no operator serviceable parts.
WARNING: To reduce the risk of injury from electrical shock hazards,
do not open this enclosure.
Any RJ-45 receptacle marked with these symbols indicates a network
interface connection.
WARNING: To reduce the risk of electrical shock, fire, or damage to the
equipment, do not plug telephone or telecommunications connectors
into this receptacle.
Any surface or area of the equipment marked with these symbols
indicates the presence of a hot surface or hot component. Contact with
this surface could result in injury.
WARNING: To reduce the risk of injury from a hot component, allow
the surface to cool before touching.
Network Storage Router M2402 User Guide
19
About this Guide
Power supplies or systems marked with these symbols indicate the
presence of multiple sources of power.
WARNING: To reduce the risk of injury from electrical shock,
remove all power cords to completely disconnect power from the
power supplies and systems.
Any product or assembly marked with these symbols indicates that the
component exceeds the recommended weight for one individual to
handle safely.
WARNING: To reduce the risk of personal injury or damage to the
equipment, observe local occupational health and safety requirements
and guidelines for manually handling material.
20Network Storage Router M2402 User Guide
Rack Stability
Rack stability protects personnel and equipment.
About this Guide
WARNING: To reduce the risk of personal injury or damage to the
equipment, be sure that:
■ The leveling jacks are extended to the floor.
■ The full weight of the rack rests on the leveling jacks.
■ In single rack installations, the stabilizing feet are attached to the rack.
■ In multiple rack installations, the racks are coupled.
■ Only one rack component is extended at any time. A rack may become
unstable if more than one rack component is extended for any reason.
Network Storage Router M2402 User Guide
21
About this Guide
Getting Help
If you still have a question after reading this guide, contact an HP authorized
service provider or access our website:
HP Technical Support
In North America, call technical support at 1-800-652-6672, available 24 hours a
day, 7 days a wee k.
Note: For continuous quality improvement, calls may be recorded or monitored.
Outside North America, call technical support at the nearest location. Telephone
numbers for worldwide technical support are listed on the HP website under
support:
Be sure to have the following information available before calling:
■Technical support registration number (if applicable)
■Product serial numbers, model name and number
■Applicable error messages
http://www.hp.com
http://www.hp.com
.
.
■Operating system type and revision level
■Detailed, specific questions
HP Storage Website
The HP website has the latest information on this product, as well as the latest
drivers. Access storage at:
http://www.hp.com
. From this website, select the
appropriate product or solution.
HP Authorized Reseller
For the name of your nearest HP authorized reseller:
■In the United States, call 1-800-345-1518
■In Canada, call 1-800-263-5868
■Elsewhere, see the HP website for locations and telephone numbers:
http://www.hp.com
22Network Storage Router M2402 User Guide
.
Introduction
The HP StorageWorks Network Storage Router M2402 provides bi-directional
connectivity for up to 12 Narrow/Wide Fast/Ultra-2 SCSI buses in either a Fibre
Channel Switched Fabric (FC-SW) or a Fibre Channel Arbitrated Loop (FC-AL)
environment.
This chapter introduces the following topics:
■External Features Overview, page 24
—Power modules
—Fan modules
— Fibre Channel modules
—SCSI Modules
— Ethernet port / standby power button
— Serial port
■Functional Overview, page 29
— Fibre Channel to SCSI protocol process
— SCSI to Fibre Channel protocol process
— LAN-free backup and restore
1
— Server-free data movement
— Physical requirements
23Network Storage Router M2402 User Guide
Introduction
External Features Overview
Figure 1 and Figure 2 show front and back views of the router.
Figure 1: Front view
The air intake vents on the front left side, shown in Figure 1, must remain
unobstructed. The power supply modules (with fault and power LED) are
serviceable from the front of the router. The serial port is also located on the front
for local management of configuration settings and firmware upgrades.
Figure 2: Back view
The air exhaust vents on the back left side, shown in Figure 2, must remain
unobstructed. The SCSI, Fibre Channel, and Ethernet ports are found at the back
of the router. Each port has LEDs that provide bus activity and link status
information. A single power connector and single po wer b utton are also located at
the back of the router.
24Network Storage Router M2402 User Guide
Power Module
The router is equipped with one power supply and has the capability of a
redundant power supply being added.
Figure 3: Power module
Power supply LED definition:
Introduction
Green - Power has been applied to this module
Fan Module
Yellow - Power-On Self-Test (POST) in process or processor problems
The router is equipped with three fans in a single module.
Figure 4: Fan module
25Network Storage Router M2402 User Guide
Introduction
If one of the three fans fails, the router will continue to operate on the two
remaining fans until a replacement fan module can be installed.
If the fan is not cooling the router properly, a temperature warning message is
displayed in the Home Page of the Web-based user interface.
Fan module functionality can be verif ied from both the Serial/Telnet user interface
and the Web-based user interface.
Note: The Web-based user interface is also called Visual Manager. Visual Manager is
discussed in Chapter 4, The Serial/Telnet user interface is discussed in Chapter 5.
Fibre Channel Modules
Multiple Fibre Channel modules can be added to the router.
Figure 5: Fibre Channel module
Fibre Channel module LED definition:
Green (ACT) - Fibre Channel port activity
Green (LINK) - Valid Fibre Channel link
26Network Storage Router M2402 User Guide
SCSI Modules
Multiple SCSI modules can be added to the router.
Figure 6: SCSI module
SCSI module LED definition:
Green - SCSI bus activity on corresponding port
Ethernet Port/Standby Power Button
The router is equipped with one Ethernet port and a standby power button with
LED indicators ( see Figure 7).
Introduction
2
1
Figure 7: Ethernet port/standby power button
ItemDescription
1Ethernet port
2Standby power button
27Network Storage Router M2402 User Guide
Introduction
Serial Port
Ethernet port LED definition:
Activity - Port activity
Link - Valid Ethernet link
Standby power button LED definition:
Green - System power is on
Amber - System fault condition is indicated
Alternating Green/Amber - System in Beaconing mode
Note: The Standby Power button engages/disengages system power supplied from the
power modules. This button does not remove power to the power module(s). To remove
power to the power module(s), unplug the router from electrical source.
The standby power button has a 10-second delay after disengaging power before
power can be re-engaged.
The router is equipped with one serial port (see Figure 8).
The serial port can be used to access the serial/Telnet user interface, which is used
to locally manage and configure the router.
Figure 8: Serial port
28Network Storage Router M2402 User Guide
Functional Overview
The router translates the Fibre Channel Protocol (FCP) to and from the SCSI
Protocol. It transfers commands, data, and status information to and from Fibre
Channel (FC) controllers and SCSI devices.
Supported devices include:
■Initiator Devices – FC and SCSI hosts
■Direct Access Devices – RAID Controllers, Disk drives, JBODs
■Sequential Access Devices – Tape drives
■Changer Devices – Tape and Magneto-Optical Libraries
The router provides multiple FC to SCSI I/O configurations. A sample
configuration is illustrated in Figure 9.
SCSI
Tape
Drives
SCSI
Tape
Libraries
Introduction
StorageWorks
Router
FC Host
Fibre Channel
SCSI
Figure 9: Example configuration
SCSI
Tape
Libraries
SCSI
Tape
Drives
Figure 9 shows that a FC host on the FC bus can access a tape drive and library
through the appropriate SCSI bus of the router I/O module.
29Network Storage Router M2402 User Guide
Introduction
Fibre Channel to SCSI Protocol Process
This section describes the steps the router uses to convert FC host protocol to
SCSI device protocol. Figure 10 and the supporting table illustrate and define this
process.
FC Host
1
FC Host
StorageWorks Router
5
SCSI DeviceSCSI Device
Fibre Channel
SCSI
FC Host
Hub or Switch
SCSI Device
SCSI DeviceSCSI DeviceSCSI Device
SCSI DeviceSCSI DeviceSCSI Device
SCSI DeviceSCSI DeviceSCSI Device
2
FC Controller
4
SCSI Controller
SCSI Controller
SCSI Controller
SCSI Controller
Figure 10: Converting Fibre Channel to SCSI process
ItemProcess
1
A Fibre Channel host issues an encapsulated FCP protocol
command packet to the router
2
The router Fibre Channel controller interprets the Fibre Channel
information, and places the packet in buffer memory.
3
The router interprets the Fibre Channel information packet and
programs the router SCSI controller to process the transaction.
4
The router SCSI controller sends the command to the SCSI device
(target).
5
The SCSI target interprets the command and executes it.
3
Bus
MemoryProcessor
30Network Storage Router M2402 User Guide
SCSI to Fibre Channel Protocol Process
In this example, a SCSI host (initiator) on the SCSI bus issues commands and the
information is passed through the router to a target on the Fibre Channel Storage
Area Network (FC-SAN). Figure 11 is an illustration of the process and the
supporting table defines each step.
FC Device
5
Introduction
StorageWorks Router
FC Device
Hub or Switch
SCSI Host
1
Fibre Channel
SCSI
4
FC Controller
2
SCSI Controller
Figure 11: Converting SCSI to Fibre Channel Protocol
ItemProcess
1
2
A SCSI host issues a command to the router.
The SCSI controller in the router interprets the command and
places it in buffer memory.
3
The router processor interprets data and programs the router
Fibre Channel controller to process the transaction.
4
The router Fibre Channel controller translates data into an FCP
protocol packet and sends it to the Fibre Channel target.
5
The Fibre Channel target interprets the FCP protocol packet and
executes the command.
3
Bus
MemoryProcessor
31Network Storage Router M2402 User Guide
Introduction
LAN-free Backup and Restore
The router can enable LAN-free backup/restore to allow the bulk of data traf fic to
be moved from the LAN to the storage area network (SAN) (see Figure 12).
SCSI TAPE
UNIT
StorageWorks
Router
SCSI TAPE
UNIT
StorageWorks
Router
SAN
Fibre Channel
ETHERNET
SCSI
DATA MOVEMENT
FIBRE CHANNEL
DISK
SERVERSERVER
SERVERSERVER
LAN
Figure 12: LAN-free backup and restore
32Network Storage Router M2402 User Guide
Server-free Data Movement
Used with server-free application software, Copy Manager allo ws the serv er to of f
load data movement to the router and free up server resources (see Figure 13).
Fibre Channel
ETHERNET
SCSI
COMMAND
DATA MOVEMENT
SCSI TAPE
UNIT
StorageWorks
Router
SCSI TAPE
UNIT
StorageWorks
Router
SAN
FIBRE CHANNEL
DISK
Introduction
SERVERSERVER
SERVERSERVER
LAN
Figure 13: Server-free data movement
Note: Copy Manager can perform simultaneous Extended Copy commands.
Note: Server-free backup can be activated using the Active Fabric Configuration
menu option. When activated, the router is enabled for both server-free and LAN-free
capabilities. When deactivated, only LAN-free capabilities are supported.
33Network Storage Router M2402 User Guide
Introduction
Note: The router implementation of the Extended Copy command is available to
application programmers. See Appendix B, “Controller LUN Commands.”
Physical Requirements
The router has the following physical dimensions:
■Width: 17.00 inches
■Depth: 20 inches
■Height: 1.70 inches, 1U
■Weight: approximately. 18 lbs.
The router must be operated in the follo wi ng environment:
■Temperature: 0 to 50°C
■Relative Humidity: 5 to 80% (non-condensing)
If the router is to be shipped or stored, the following environment must be
maintained:
■Temperature: -40 to +55°C
■Relative Humidity: 0 to 92% (non-condensing)
The router must be supplied the following power:
■VAC: 100 - 240 (auto sensing)
■50/60 Hz, 2.0 Amps (each power supply)
34Network Storage Router M2402 User Guide
Installation
This chapter describes how to unpack and install the HP StorageWorks Network
Storage Router M2402. The router can be set u p in ei ther a desktop or a rack
configuration.
Note: Read this chapter carefully and completely before configuring the router.
The following considerations and procedures are included in this chapter:
■Selecting a Location, page 36
■Unpacking the Box, page 36
■Placing the Router on a Desktop, page 36
■Installing the Router in a Rack, page 37
■Connecting the Power Cord, page 42
■Connecting the Interfaces, page 44
— Fibre Channel connections
2
— SCSI connections
— Ethernet connections
— Serial port connections
Caution: To prevent static shock, which can damage electrical equipment, use
industry accepted handling practices when unpacking and moving the router
and its components. See Appendix E, “Electrostatic Discharge,” for more
information.
35Network Storage Router M2402 User Guide
Installation
Selecting a Location
The router can be placed on a desktop or installed in a standard 19-inch rack.
When considering a location for the router, make sure the airflow area
surrounding the front and the back of the router is unobstructed.
Unpacking the Box
Unpack the router as follows:
1. Remove all items from the shipping container. Check each one for damage.
Keep the router in the protective bag until ready to install.
2. Refer to the packing slip or contents list to make sure all the equipment was
received. If an item is missing, contact your sales representative immediately.
Placing the Router on a Desktop
1. Remove the router from the protective bag.
Caution: Place the router on a smooth surface away from any potential
exposure to direct sunlight, liquids or vapors, excessive heat, or risk of
accidental dropping or other damage.
2. Attach the stick-on feet to the bottom four corners of the unit.
3. Place the router on the table or desktop, ensuring the intake and exhaust vents
are clear of obstructions.
36Network Storage Router M2402 User Guide
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