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Oracle® Secure Backup Installation and Configuration Guide
Release 10.3

Part Number E12835-06
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C Determining Linux SCSI Parameters

For the Linux and UNIX platforms, if you do not know the SCSI parameters of a tape device, then you must determine them before you begin installation. This appendix describes procedures for determining SCSI device parameters on Linux and UNIX.

C.1 Determining SCSI Device Parameters on Linux

To obtain tape device information on Linux, use the cat command to view the contents of /proc/scsi/scsi. For example:

# cat /proc/scsi/scsi

See Also:

"Identifying and Configuring Linux Attach Points" for information about configuring attach points for Linux

Example C-1 shows sample output for a host called storabck05 with two attached tape devices.

Example C-1 Sample /proc/scsi/scsi Contents

Attached devices:
Host: scsi0 Channel: 00 Id: 02 Lun: 00
  Vendor: IBM      Model: ULTRIUM-TD2      Rev: 4772
  Type:   Sequential-Access                ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 04 Lun: 00
  Vendor: ADIC     Model: Scalar 24        Rev: 237A
  Type:   Medium Changer                   ANSI SCSI revision: 02

A device of type Sequential-Access, such as the first tape device in the list, is a tape drive. A device of type Medium Changer, such as the second tape device, is a tape library.

For each tape device, the information needed is found in the line that reads:

Host: scsi0 Channel: 00 Id: 02 Lun: 00

The output can be interpreted as follows:

By convention, the tape library and tape drive can each be assigned 0 as the Oracle Secure Backup logical unit number.

Based on the output shown in Example C-1, Table C-1 summarizes the tape device information for storabck05.

Table C-1 storabck05 Device Summary

Device Host Bus Adapter SCSI bus address Target ID SCSI LUN






Tape drive