Title: Tape library hardware errors when backup spans media.
Date: Feb 11
Product & Version: NetVault All
OS Version: All
Module & Version: N/A
Application version: N/A
Symptoms:
Some backups spanning media would fail.
From the Binary Log we could confirm the following errors:
"Changer 'XXXXXX' is OFFLINE"
Then is then followed by the following a few seconds later:
"Changer 'XXXXXX' is ONLINE"
This happens when the dump is being passed through the SCSI link.
The following error appears as well:
SCSI :4972 17 0 4814 CMD SENSE KEY 'ABORTED COMMAND ' [b] - ASC 47 ASCQ 01
This is a SCSI error indicating a Data phase CRC error detected, which is a result when there are missing or corrupted sectors in that set (file) which can have been due to an interruption during transfer.
Another error that indicates transfer interruption is as follows:
CHGSCSI :4884 24 0 25300 CMD STATUS 'CHECK CONDITION' [2]
CHGSCSI :4884 25 0 25300 CMD SENSE KEY 'HARDWARE ERROR' [4] - ASC 44 ASCQ 00
CHGSCSI :4884 74 0 25300 CMD SENSE INFO 'AN INTERNAL TARGET FAILURE OCCURRED'
This means that there might be something else trying to use that SCSI connection at the same time.
In other words, there is an issue with the SCSI link.
This is a hardware problem. Please contact the hardware vendor and share the error messages with them.
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