Tandberg Data MSERIES FC USER Bedienungsanleitung

Document T6423053-01, Ver. 1, Rel. 0, November 2002 1

Tandberg Data FC420

Bridge Option User’s Guide

Introduction 3

Fibre Channel Overview ...................................................................... 3

Library Operation After FC420 Bridge Installation ............................... 3

Cabling the M2500 Library for Fibre Channel 4

One- and Two-Drive Library Cabling ................................................... 4

Cabling with Three or More Drives ...................................................... 5

Setting SCSI IDs 7

Configuring FC420 Firmware 8

Setting Up an Ethernet Connection ..................................................... 8

Verifying Current FC420 Firmware .................................................... 10

Setting Local Echo Mode................................................................... 10

Scanning the SCSI buses on the Library........................................... 10

Creating a Map File for the FC420 .................................................... 11

Making Other Configuration Changes ............................................... 11

Updating FC420 Firmware 12

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

2 6207947-04fN 13

FC420 Services Software Commands 13

FC420 Service Software Operation................................................... 13

Command Syntax .............................................................................. 14

List of Abbreviations .......................................................................... 14

Command Listing............................................................................... 14

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

Introduction 3

Introduction 0

This document describes the configuration and operation of the FC420

Fibre Channel Bridge option installed in the M2500 library.

For FC420 installation steps, refer to the FC420 Fibre Channel Bridge

Quick Reference Guide (PN T6473054).

For a description of M-Series library operating procedures, see the

Tandberg Data M-Series Library User’s Guide (PN T6423045).

Fibre Channel

Overview 0

The M2500 library is controlled by a host computer via a SCSI

differential bus using the SCSI-2 medium changer command set. The

library’s architecture allows for easy conversion from the SCSI host

interface to a Fibre Channel host interface by installing the FC420

Bridge option.

Fibre Channel is a serial data transfer architecture for use with

computers and mass storage devices. Fibre Channel is rapidly

emerging to challenge SCSI as the interface of choice for host-to-

storage applications.

Fibre Channel advantages include:

• Connection distances of up to 500 meters

• Up to 2 GB/sec data transfer rates with Autonegotiate

• Support for up to 126 devices on a loop

• Support for 24-bit addressing for over 16 million devices in

point-to-point mode or fabric, when using a Fibre Channel switch

or multiple Fibre Channel switches.

• Operating system independence

• Interconnect flexibility

• Fibre Channel fabric switches provide full direct connectivity

between all ports on a network, which can increase the total

throughput of all devices on a network.

Library Operation

After FC420 Bridge

Installation 0

Once the FC420 Bridge SCSI to Fibre Channel option is installed and

tested, the library operates exactly as a library with a SCSI host

interface. User operation of the library via the graphical user interface

(GUI) panel is unchanged.

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

4 Cabling the M2500 Library for Fibre Channel

Cabling the M2500 Library for Fibre Channel 0

The cabling configuration used for the M2500 library with the FC420

option depends on the following factors:

• Number of tape drives installed

•Tapedrivetype(SDLTorLTO)

• Number of FC420 Fibre bridges installed

• Data transfer rate of the storage area network (SAN)

One- and Two-Drive

Library Cabling 0

If the M2500 library has only one or two tape drives, the cabling is the

same regardless of drive type or SAN. One- or two-drive libraries only

require one FC420 Fibre bridge.

Figure 1 shows the cabling for a one-drive library.

Figure 1 One-Drive

Cabling

As shown in the figure, a SCSI daisy chain is established from one of

the SCSI ports on the FC420 to the SCSI controller and then to drive 0,

where the daisy chain is terminated. The SCSI controller is included in

the chain to pass SCSI commands to the robot.

The SCSI controller and drive 1 must be on the same SCSI bus because

the SCSI controller has termination disabled.

Drive 1

Slot for FC420

FC420

SCSI controller

SCSI

SAN

Fibre

M2500

Auxiliary

electronics

module

Primary

electronics

module

Terminator

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

Cabling the M2500 Library for Fibre Channel 5

Figure 2 shows typical cabling for a two-drive library.

Figure 2 Two-drive

Cabling

In a two-drive library, the second drive (Drive 2) should be connected

to the available FC420 SCSI port, creating a second SCSI bus. This fully

utilizes the FC420 Fibre bridge and maximizes the communication

bandwidth available to each tape drive.

Cabling with Three or

More Drives 0

When cabling M2500 libraries with three or more tape drives, you

need to know the type of tape drive installed in the library and the

data transfer rate of the SAN to determine the correct SCSI

configuration.

Note: As with the one- and two-drive configurations, all Fibre-to-

SCSI cabling configurations must include the SCSI controller

so that SCSI commands intended for the robot are

successfully communicated.

Drive 2 Drive 1

Slot for FC420

FC420

SCSI controller

SCSI

SAN

Fibre

M2500

Auxiliary

electronics

module

Primary

electronics

module

Term in ator

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

6 Cabling the M2500 Library for Fibre Channel

SDLT/LTO Drive Cabling with a 1-GB SAN 0

For example, if you have SDLT or LTO drives and a 1 GB SAN,

Quantum recommends a ratio of one tape drive per FC420 SCSI port.

This means that three- and four-drive libraries would require a second

FC420 Fibre bridge, and five- and six-drive libraries would require

three FC420 bridges, as shown in Figure 3.

Figure 3 One-Drive-Per-

FC420-Port Cabling

SDLT/LTO Drive Cabling with a 2-GB SAN 0

If the M2500 library with SDLT or LTO drives is connected to a 2-GB

SAN, Tandberg Data recommends a maximum ratio of 2 tape drives

per FC420 SCSI port. This means that one FC420 Fibre bridge could

manage up to four tape drives, but a second FC420 Fibre bridge would

be required for libraries with five or six tape drives.

Note: SDLT and LTO tape drives are sometimes referred to as

Superdrives.

Drive 2 Drive 1

Drive 4 Drive 3

Drive 6 Drive 5

FC420

SCSI controller

SCSI

1-GB SAN

Fibre

Primary

electronics

module

Auxiliary

electronics

module

M2500

SCSI SCSI

SCSI

Fibre

Terminator

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

Setting SCSI IDs 7

Figure 4 shows a six-drive library utilizing a two-drive per port

cabling scheme.

Figure 4 Two-Drives-Per-

FC420-Port Cabling

Setting SCSI IDs 0

Use the information in table 1 to set the SCSI device addressing (SCSI

IDs) for the library.

Table 1 SCSI ID Settings

Note: To increase the bandwidth available to each tape drive,

install additional FC420 Fibre bridges and use the cabling

configuration shown in figure 3.

Device SCSI ID Device SCSI ID

SCSI Controller 0 Drive 3 4

Drive01Drive45

Drive12Drive56

Drive 2 3

Drive 2 Drive 1

Drive 4 Drive 3

Drive 6 Drive 5

Slot for FC420

FC420

SCSI controller

SCSI

2-GB SAN

Fibre

Primary

electronics

module

Auxiliary

electronics

module

M2500

SCSI SCSI

Fibre

SCSI

Terminator

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

8 Configuring FC420 Firmware

Configuring FC420 Firmware 0

Each FC420 Fibre bridge installed in the M2500 library must be

configured using the FC420 Bridge Services software. The key to

successfully configuring the FC420 Fibre bridge is to:

• Know exactly how the SCSI cabling in the library is configured

including:

• How many FC420 Fibre bridges are present in the library.

• How many SCSI buses are present in the library.

• How many SCSI devices are connected to each bus.

This was established in the previous section of this document.

• Use the FC420 Bridge Services software to create a Map file

identifying which SCSI devices are electrically connected to which

Fibre Channel ports on the FC420 board.

The major steps for configuring FC420 Fibre bridge firmware involve:

•Setting Up an Ethernet Connection

•Verifying Current FC420 Firmware on page 10

•Setting Local Echo Mode on page 10

•Scanning the SCSI buses on the Library on page 10

•Creating a Map File for the FC420 on page 11

Setting Up an Ethernet

Connection 0

To set up an Ethernet connection between the FC420 Fibre bridge and a

service PC or other stand-alone computer:

1Establish a physical connection between the FC420 bridge and the

computer using a CAT 5E crossover cable. To do this:

aMake sure the computer and library are both turned off.

bAttach one end of the cable to the RJ-45 connector at the bottom

of the FC420 bracket.

cAttach the other end of the cable to the NIC port on the

computer.

2Turn on the computer.

Note: These major steps must be repeated for each FC420 Fibre

bridge in the library.

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

Configuring FC420 Firmware 9

3Set network properties and specify an IP address for the computer.

aRight-click the network icon on the computer’s desktop.

For some versions of Windows, this icon may be labeled

Network Neighborhood. For other versions of Windows, the

icon may be labeled My Network Places or something similar.

bWhen the pop-up menu appears, select Properties. A Network

dialog box appears.

cClick the Protocols (Windows NT) or Connections (Windows

2000 or later) tab.

dDouble-click the TCP/IP Protocol menu item. The TCP/IP

Properties dialog box appears.

eClick the Specify an IP address option button. The IP Address,

Subnet Mask, and Gateway fields become active.

fType 10.0.0.x(where xis a number between 2 and 253) in the IP

Address field, 255.255.255.0 in the Subnet Mask field, and

nothing in the Gateway field.

gClick OK until you completely exit all dialog boxes.

hFor Windows NT users, open a DOS window and type

ipconfig/release <Enter> followed by ipconfig/renew <Enter>.

(For other versions of Windows, this step is not required.)

4Turn on the library.

5Establish a Telnet connection to the FC420 Fibre bridge. To do this:

aStart a Telnet session from the computer desktop by selecting

Start > Run.

bIn the Run dialog box, type telnet 10.0.0.1 and then click OK.

The Telnet window appears (as shown in figure 5), indicating a

connection with the FC420 Fibre bridge. When you see the Ready

prompt, command line mode is available.

Tandberg Data FC420 Bridge Option User’s Guide

Document T6423053-01, Ver. 1, Rel. 0

November 2002

10 Configuring FC420 Firmware

Figure 5 Telnet Window

Showing Connection with

FC420

Verifying Current

FC420 Firmware 0

The Telnet connection window shows the firmware version and gives

the firmware revision date. See figure 5.

Use this information to determine if the FC420 Fibre bridge has current

firmware.

Setting Local Echo

Mode 0

To set local echo mode, type set SerialPortEcho enabled at the Ready

prompt and then press <Enter>.

Scanning the SCSI

buses on the Library 0

Use the following procedure to confirm that the SCSI buses are cabled

properly.

1At the Ready prompt, type scsitargets 0, and then press <Enter>.

This command scans and displays all SCSI devices found on SCSI

bus 0.

2When the Ready prompt reappears, type scsitargets 1, and then

press <Enter> if the second SCSI port on the FC420 bridge is being

utilized.

Note: If you suspect that the firmware needs to be updated, follow

the instructions found in Updating FC420 Firmware on

page 12.

Firmware version

information

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