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Step 1: Check the autoloader’s SCSI ID
Note Your HP StorageWorks DAT autoloader is shipped with a default SCSI ID of 5. Each device on
the SCSI bus must have a unique SCSI ID number. The autoloader can be assigned any
unused ID between 0 and 15. Do not use SCSI ID 7, which is reserved for the SCSI controller.
SCSI ID 0 is typically assigned to the boot disk and should also not be used unless the
autoloader is on a dedicated SCSI bus.
1 Determine whether you need to change the SCSI ID from the default of 5.
For many operating systems you can install HP Library & Tape Tools from the
HP StorageWorks Tape CD-ROM and run the “Install Check” to check your server’s current
SCSI configuration (see page 37). This will provide information about the SCSI bus and the
SCSI IDs in use.
The UNIX Configuration Guide on the HP StorageWorks Tape CD-ROM also contains
instructions on how to determine the SCSI IDs of existing devices on UNIX servers.
2 Change the autoloader’s SCSI ID, if necessary.
Use a small screwdriver or a ball-point pen to press the indented SCSI ID selector buttons on
the rear panel (see figure 3) until the required value is displayed. Do not use a pencil because
small bits of graphite could contaminate the drive.
Note The server and the autoloader SCSI IDs are only checked at power-on. To change the SCSI ID
after installation, power down both the server and the autoloader, change the autoloader’s
SCSI ID, power up the autoloader, and then power up the server.
autoload_master-frame6.fm Page 11 Monday, December 29, 2003 9:39 AM