I'm using Bacula 7.0.5 on FreeBSD 10.1 (bacula-dir) and FreeBSD 9.3 (bacula-sd).
Sometimes I get dud tapes. Or at least, tapes my tape drive does not like.
For example:
###
01-May 09:39 crey-sd JobId 205441: End of Volume "FAI022" at 11:11326 on device
"DTL03" (/dev/nsa0). Write of 64512 bytes got 49152.
01-May 09:39 crey-sd JobId 205441: Error: Error writing final EOF to tape. This
Volume may not be readable.
tape_dev.c:941 ioctl MTWEOF error on "DTL03" (/dev/nsa0). ERR=Input/output
error.
01-May 09:39 crey-sd JobId 205441: End of medium on Volume "FAI022"
Bytes=10,784,406,528 Blocks=167,168 at 01-May-2015 09:39.
01-May 09:39 crey-sd JobId 205441: 3307 Issuing autochanger "unload slot 2,
drive 0" command.
###
See also, this from /var/log/messages:
###
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): WRITE FILEMARKS(6). CDB: 10 00
00 00 01 00
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): CAM status: SCSI Status Error
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): SCSI status: Check Condition
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): SCSI sense: MEDIUM ERROR asc:c,0
(Write error)
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): Command Specific Info: 0x28b4b
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): Error 5, Retries exhausted
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): WRITE FILEMARKS(6). CDB: 10 00
00 00 02 00
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): CAM status: SCSI Status Error
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): SCSI status: Check Condition
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): SCSI sense: MEDIUM ERROR asc:c,0
(Write error)
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): Command Specific Info: 0x28b4b
May 1 09:39:01 knew kernel: (sa0:sym0:0:1:0): Error 5, Retries exhausted
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): WRITE FILEMARKS(6). CDB: 10 00
00 00 01 00
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): CAM status: SCSI Status Error
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): SCSI status: Check Condition
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): SCSI sense: MEDIUM ERROR asc:c,0
(Write error)
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): Command Specific Info: 0x11fb
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): Error 5, Retries exhausted
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): WRITE FILEMARKS(6). CDB: 10 00
00 00 02 00
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): CAM status: SCSI Status Error
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): SCSI status: Check Condition
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): SCSI sense: MEDIUM ERROR asc:c,0
(Write error)
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): Command Specific Info: 0x11fb
May 1 09:42:41 knew kernel: (sa0:sym0:0:1:0): Error 5, Retries exhausted
###
In this case, I will mark the tape as DISABLED and once it is past it's
recycling date, I will retire the tape.
Best practice might be to rerun the backup, but this backup is also on disk.
What do you usually do with tapes such as this?
—
Dan Langille
http://langille.org/
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