Seagate ST11200N Informações Técnicas descarregar pdf (Página 31)

Configuring Tape Drives

Enabling locate-block

NetBackup and Storage Migrator use the locate-block command by default if you did

not uninstall the sg passthru driver. This uninstall procedure is explained in

“Understanding the SCSI Passthru Drivers” on page 7. The driver is automatically

installed with Media Manager.

Disabling locate-block

VERITAS recommends that you do not disable locate-block positioning. If you need to

disable locate-block positioning, execute the following command:

touch /usr/openv/volmgr/database/NO_LOCATEBLOCK

With locate-block positioning disabled, NetBackup uses the

forward-space-file/record method and Storage Migrator skips file marks.

No Rewind Device Files

When adding tape drives to a Media Manager configuration, you need only specify a no

rewind on close device path. To display the tape device files that are configured on your

system, use the sgscan command with the tape parameter.

# /usr/openv/volmgr/bin/sgscan tape

/dev/sg/c0t5l0: (/dev/rmt/0): "HP C1537A"

/dev/sg/c1t2l0: (/dev/rmt/7): "EXABYTE EXB-85058HE-0000"

/dev/sg/c1t4l0: (/dev/rmt/9): "EXABYTE EXB-8900MH000202"

/dev/sg/c2t2l0: (/dev/rmt/10): "Quantum DLT4000"

/dev/sg/c2t5l0: (/dev/rmt/11): "QUANTUM DLT7000"

/dev/sg/c4t4l0: (/dev/rmt/4): "Quantum DLT4000"

/dev/sg/c4t5l0: (/dev/rmt/5): "Quantum DLT4000"

/dev/sg/c6t5l0: (/dev/rmt/6): "SONY GY-2120"

/dev/sg/c8t2l0: (/dev/rmt/14): "Quantum DLT4000"

/dev/sg/c8t4l0: (/dev/rmt/13): "STK SD-3"

/dev/sg/c9t1l0: (/dev/rmt/15): "Quantum DLT4000"

Note All device types can be displayed in the output using the all parameter with

sgscan. This command can be helpful for associating tape devices with other SCSI

devices that may be configured on the same adapter. Usage: sgscan

[all|basic|changer|disk|tape] [conf] [-v]

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Seagate ST11200N Informações Técnicas Página 31