veritas netbackup down-drive

OVERVIEW:
NetBackup will down a tape device under the following Conditions listed below:

TROUBLESHOOTING:

1.NetBackup attempts to mount a tape in the drive. NetBackup send the robot a command to move the tape from one address to another. NetBackup will await the tape drive to show SCSI Ready status. This can be seen the vmoprcmd output where write is enabled and Ready is enabled. When the tape drive shows a SCSI Ready status it will report the tape HEADER information and NetBackup verify the correct tape is in the correct drive. When there is a tape already in the drive NetBackup cannot complete the tape mount. This shows as a status 98 TPreq error. Since NetBackup cannot use this drive for backup NetBackup will down the device

 

 

SOLUTION:

Review of the Media Manager Debug Logging will show the reason for the failure. The System Administrator can review the debug logging to see why NetBackup has Downed the Tape Device.

Once the exact error is shown in the above logs, determine the best course of action to take next.
This will include, but is not limited to:

A. Reconfiguration of the Device with NetBackup
B. Update of the Netbackup Device Mappings file.
C. Update to Firmware of the Device.
D. Update Device Driver or configuration files
E. Tape Drive Cleaning
F. Service the Hardware by 3rd party vendor or Replacement of the Tape Drive Unit.

Reference:
http://support.veritas.com/docs/290200 Veritas NetBackup (tm) 6.5 Device Configuration Guide for UNIX, Linux, and Windows

Article URL http://www.symantec.com/docs/TECH88076