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Verifying The Device Configuration

Adding Standard Tape Drives (2.6 kernel)

Tape devices have multiple device files. However, NetBackup uses only the /dev/nstX

file where X is a decimal number from 0 to 127.

Verifying The Device Configuration

The file /proc/scsi/scsi shows all devices recognized by the SCSI driver. To verify

that the operating system can see the devices, run the following command from a terminal

window to view this file:

cat /proc/scsi/scsi

The output displayed should be similar to the following example:

Attached devices:

Host: scsi0 Channel: 00 Id: 01 Lun: 00

Vendor: HP Model: C7200-8000 Rev: 1040

Type: Medium Changer ANSI SCSI revision: 03

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

Vendor: QUANTUM Model: DLT8000 Rev: 010F

Type: Sequential-Access ANSI SCSI revision: 02

Host: scsi0 Channel: 00 Id: 03 Lun: 00

Vendor: QUANTUM Model: DLT8000 Rev: 010F

Type: Sequential-Access ANSI SCSI revision: 02

If the operating system can see your SCSI devices, Media Manager device discovery will

also see the devices.

Other Considerations (Advanced Topics)

You may require the following advanced topics.

Support for Additional Tape Devices

The st tape driver supports up to 32 tape devices in its default configuration. This

configuration provides eight minor device numbers. The driver can be re-configured to

support up to 64 tape devices (with four minor device numbers) or up to 128 tape devices

(with two minor device numbers).

Chapter 6, Enterprise Linux 89

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Seagate ST11200N Technical Information Seite 103