Quantum TC2201 User’s Guide, 81-81539-01 A01, December 2005, Made in USA.
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Contents
Prefacexvii
Chapter 1Introduction1
External Features ........................................................................................ 1
•Appendix C, Using the Command Line Interface, lists the
inband CLI commands available through the serial interface.
•Appendix D, Using the FTP Interface, provides information on
using the FTP interface.
Preface
•Appendix A, How to Change Block Sizes, provides
information on changing block sizes for your application.
This document concludes with a glossary.
Notational
Conventions
Related
Documents
This manual uses the following conventions:
Note:Notes emphasize important information related to the main
topic.
Caution:Cautions indicate potential hazards to equipment and are
included to prevent damage to equipment.
Warning:Warnings indicate potential hazards to personal safety and
are included to prevent injury.
This manual uses the following:
•Right side of the library — Refers to the right side as you face
the component being described.
•Left side of the library — Refers to the left side as you face the
component being described.
Documents related to the PX502, PX506, and PX510 tape libraries are
shown below:
Quantum TC2201 Series Documentation
Document No.TitleDescription
81-81538
Quantum TC2201 User’s Guidexviii
Quantum TC2201
Installation Instructions
Provides information on
installing the TC2201 in
a PX500 Series library.
Refer to the appropriate product manuals for information about your
tape drives and cartridges.
SCSI-2 Specification0
The SCSI-2 communications specification is the proposed American
National Standard for information systems, dated March 9, 1990. Copies
may be obtained from:
Global Engineering Documents
15 Inverness Way, East
Englewood, CO 80112
(800) 854-7179 or (303) 397-2740
ContactsQuantum company contacts are listed below.
Quantum Corporate Headquarters0
Preface
To order documentation on the Quantum PX500 Series libraries or other
products contact:
The Quantum TC2201 iSCSI router provides bi-directional
connectivity between two iSCSI networks, and two Narrow/
Wide Fast/Ultra160 LVD/SE SCSI buses.
Supported devices include:
• Initiator Devices – iSCSI hosts
• Direct Access Devices – RAID controllers, Disk drives, JBODs
• Sequential Access Devices – Tape drives
• Changer Devices – Tape and Magneto-Optical libraries
External Features1Figure 1 shows the front panel of the Quantum TC2201 iSCSI
router.
Quantum TC2201 User’s Guide1
Figure 1 Front Panel
Reset button
Ethernet port
Chapter 1 Introduction
Operation Indicators
Serial port
iSCSI ports
SCSI buses
The SCSI and iSCSI interfaces are found on the front panel. Also on the
front panel, Ethernet and Serial ports provide connections for
configuration and management of the unit. The LEDs (operation
indicators) provide basic status information.
Operation Indicators1
The TC2201 is equipped with LED indicators for monitoring overall unit
status (see
Figure 2 TC2201 LEDs
Ethernet activityEthernet link status
Power/fault
The LED functionality of the TC2201 is detailed below:
Quantum TC2201 User’s Guide2
figure 2).
iSCSI link status
iSCSI activity
SCSI activity for bus 0SCSI activity for bus 1
Chapter 1 Introduction
How the TC2201 Works
• Power and Fault (Pwr)—This bi-color LED is green to show that power
is currently active and is continuously amber-colored to show that
the TC2201 detects a fault condition in the TC2201.
• iSCSI (Link/Act)—When lit green, the right indicator signifies a good
iSCSI link on the port. When lit green, the left indicator signifies iSCSI
port activity.
• SCSI Bus (0, 1)—When lit, these green indicators signify SCSI activity
on the bus corresponding to the number of the indicator.
• Ethernet (Link/Act)—When lit green, the right indicator signifies a
good Ethernet link on this management port. When lit green, the left
indicator signifies Ethernet port activity on this management port.
How the TC2201 Works1
The TC2201 is a router that translates the iSCSI protocol to and from the
SCSI Protocol—transparently transferring commands, data, and status
information—so that devices and hosts can communicate with each other.
Interconnection is provided between two SCSI buses and one or two
iSCSI networks, also making use of iSCSI’s ability to encapsulate SCSI
protocol packets.
Processing SCSI Information1
The following section describes how the TC2201 processes SCSI
information when attached to iSCSI hosts.
through 5 of the process.
1 An iSCSI host issues a command. The iSCSI host encapsulates the
command in the iSCSI protocol and sends the packet to the TC2201.
2 The iSCSI controller in the TC2201 receives the packet, interprets the
iSCSI information, and places the packet in buffer memory.
3 The TC2201’s processor interprets the information and programs a
SCSI controller to process the transaction.
Quantum TC2201 User’s Guide3
Figure 3 illustrates steps 1
Figure 3 Information Processing
I3#3)HOST
Chapter 1 Introduction
Processing SCSI Information
4 The SCSI controller sends the command to the SCSI device (target).
5 The SCSI target interprets the command and executes it.
I3#3)HOST
I3#3)HOST
I3#3)
CONTROLLER
6 Data flows between the iSCSI host and SCSI target through payload
buffers (see
figure 4).
7 Response information flows from the SCSI target back to the iSCSI
host (see
figure 4).
Quantum TC2201 User’s Guide4
Chapter 1 Introduction
LAN-free Backup and Restore
Figure 4 Flow of data and
responses
L6&6,+RVW
LAN-free Backup and Restore1
LAN-free backup and restore moves the bulk of data backup and
recovery traffic from the LAN and onto a dedicated storage network. The
TC2201 supports LAN-free backup/restore environments (see
figure 5).
Figure 5 LAN-free Backup
L6&6,+267
L6&6,
Quantum TC2201 User’s Guide5
Chapter 1 Introduction
TC2201 Features
TC2201 Features1
iSCSI Features1 The TC2201 provides the following iSCSI features:
• Dual iSCSI ports (10/100/1000 baseT Ethernet)
• iSNS support
• Error Recovery Level 0
• Multiple iSCSI connections per session
• VLAN Quality of Service (QoS) support
SCSI Bus Features1 The TC2201 provides the following SCSI bus features:
• Auto-negotiation for Narrow, Wide, Fast, and up to Ultra160
• Concurrent commands, tagged command queuing and disconnect/
reconnect
• SCSI-2 and SCSI-3 protocols
• Connection type is VHDCI 68-pin D shell, P type connectors
• LVD/single-ended termination
• Fully supports Quantum tape libraries and autoloader devices
Management Features1 The TC2201 provides the following management options:
• Out-of-band 10/100 Ethernet TCP/IP management access Port
• Serial 3-pin connector for terminal access
• DHCP for easier network administration
• Indexed and Auto Assigned addressing modes
• Support for SCSI-3 Commands
• Ethernet RJ-45 connector for FTP, command line, and web browser
access
• Field-updateable firmware
Quantum TC2201 User’s Guide6
Chapter 1 Introduction
TC2201 Benefits
TC2201 Benefits1
The Quantum TC2201 is designed to connect SCSI devices into an iSCSI
network. The Quantum TC2201 is neatly packaged in a 1U form factor
with two 1 Gb/s iSCSI ports and two LVD/SE SCSI buses. SCSI buses
automatically negotiate for Fast, Narrow, Wide, and up to Ultra160 SCSI.
External throughput is up to 200 MB/s
bi-directional per iSCSI port (or 100 MB/s one way per iSCSI port), or up
to a total of 400 MB/s bi-directional for both ports.
Enterprise Class
Performance
SAN Management
Reduction
Add Intelligence to SCSI
Storage
The TC2201 offers enterprise class performance with memory buffer
bandwidth exceeding 1 Gb/s and delivering end-to-end throughput of
1
up to 400 MB/s bi-directional for both ports (or 200 MB/s each way for
both ports together). The TC2201 performs fast tape reads and writes,
which enables it to handle larger data sets while completing backup and
restore tasks within a smaller time frame.
The Quantum TC2201 is significantly easier to install than other routers
due to the “store-and-forward” configuration feature and the Visual
1
Manager (VM) software. “Store-and-forward” allows configuration files
and TC2201 operational settings to be saved and copied to other like
routers, reducing redundant setup tasks. Using VM, service professionals
and end users can configure a TC2201 with simple “point and click”
choices on a graphical representation of the TC2201.
The TC2201 has many features that provide intelligence to SCSI devices
and help manage SAN configurations, performance and reliability. A
1
short list includes Visual Manager, dynamic storage allocation (i.e. map
activation without reboot), SCSI target reset, custom mapping, and access
controls (LUN masking and management). These features of the TC2201
provide customers with a high level of storage functionality for high
performance backup and recovery, reliability, security and manageability
in their nearline storage solutions.
Quantum TC2201 User’s Guide7
Chapter 1 Introduction
TC2201 Specifications
Industry Leading Inter
Operability
Quantum has a proven history of industry leading inter operability,
which we incorporate into all our products. Quantum and its partners
1
have tested thousands of different configurations, discovering and
resolving many troublesome inter operability ability problems.
TC2201 Specifications1
Physical Specifications1 The physical specifications of the TC2201 are:
• Internal power supply with detachable power cord
• iSCSI link status and activity LEDs
• SCSI Bus activity LEDs
• Ethernet link status and activity LEDs
• Power/Fault LED
• Airflow with internal fan
• Rack mount or desktop enclosure
•Power Switch
Physical Dimensions1 The physical dimensions of the TC2201 are:
• Width 43.18cm (17.00 inches)
• Depth 27.3cm (10.75 inches)
• Height 4.37cm (1.72 inches, 1U)
• Weight approx. 4kg (9 lbs.)
Operating Environment1 The operating environment of the TC2201 is:
• 10 to 40°C
• 20 to 80% Relative Humidity (non-condensing)
Quantum TC2201 User’s Guide8
Chapter 1 Introduction
TC2201 Specifications
Non-operating
Environment
The non-operating environment of the TC2201 is:
1
• -40 to +65°C
• 10 to 90% Relative Humidity (non-condensing)
Power1 The power requirements for the TC2201 are:
• 100 - 240 VAC, Auto Sensing
• 50/60 Hz, 1.0 Amps
• Consumption Rate: No more than 119.5 BTUs of heat per hour
Quantum TC2201 User’s Guide9
Chapter 2
2TC2201 Web Interface
This chapter describes the TC2201 web interface. The current
configuration and operating status of the TC2201 can be accessed
from any standard Web browser, after the user logs in with the
appropriate username and password. Information is presented in
HTML format in accordance with the W3C specification for
HTML 3.2. Current W3C Recommendations and other technical
documents can be found at
The TC2201 web interface allows you to access the following
TC2201 web pages:
• Home Page
• System Page
• Ethernet Page
http://www.w3.org/TR.
• SCSI Bus Page
• Discovery Page
• iSCSI Mapping Page
• Statistics Page
• Utilities Page
• Features
• Report
• Reboot
Quantum TC2201 User’s Guide10
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