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Chapter 3 UNIX Configuration Procedures

Configuring Sun UNIX Environments

LTO-3 Half-Height Tape Drive User’s Guide 28

Finding Existing SCSI

Devices and Controllers 3

Use the modinfo and dmesg commands to identify the installed SCSI

devices and controllers.

For example, the command

dmesg | egrep target | sort | uniq can find all

SCSI controllers and devices. The output may look similar to:

In this example, the LTO-3 Half-Height Tape Drive can be set for SCSI ID

2 through 6 and attached to controller ithps1. (This particular controller

also supports SCSI addresses 8 through 15.)

Configuring the UNIX

Environment 3

Procedure

1 Add the following lines to the

st.conf file in the /kernel/drv directory.

tape-config-list=

"SEAGATE ULTRIUM06242-XXX", "Seagate LTO 1", "SEAGATE_LTO1",

"CERTANCE ULTRIUM 2", "Seagate LTO 2", "Certance_LTO2",

"CERTANCE ULTRIUM 3", "Seagate LTO 3", "Certance_LTO3",

“QUANTUM ULTRIUM 3”, ”Quantum LTO 3”,”Quantum_LTO3”,

# THE LAST ENTRY IN THIS SECTION MUST END WITH A SEMICOLON

sd32 at ithps0: target2 lun0

sd34 at ithps0: target4 lun0

st21 at ithps1: target0 lun0

st22 at ithps1: target1 lun0

Note: You might be able to view the main pages of three types of

SCSI controllers for Sun Sparc systems:

•esp

•glm

•isp

Do not attach the LTO-3 Half-Height Tape Drive to esp type

controllers. They are not fast enough and will produce very

slow backup operations.

In this case, the Ultra Wide glm type controller would be the

minimum acceptable device.

The best controllers for the LTO-3 Half-Height Tape Drive are

Ultra3 SCSI-capable devices with a minimum data transfer

rate of 160 Mbytes per second.

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Quantum TC-L32BX-EY Guía de usuario Pagina 42