On 6/5/2018 3:45 PM, Stieneke, Dan wrote:
Ubuntu 16.04, Bacula 5.2.6, single-drive autoloader, all running
Bacula trouble-free for years.
Four months ago I got some errors in Bacula that looked like h/w
errors, although jobs using tar on the same drive ran without error. I
had suspicions about a cable, and when I replaced it everything
returned to normal, until now, when I’m getting the same kinds of errors.
Tar works on the same drive, but what about on the same tape? How do you
know you are not seeing bad tapes?
The relevant part of “messages” is:
= = = = = = = = = = = = = = = = = =
05-Jun 09:17 xxx-sd JobId 794: Error: block.c:577 Write error at
12:60511 on device "Ultrium-TD4"
(/dev/tape/by-id/scsi-1IBM_ULTRIUM-TD4_1310010391-nst).
ERR=Input/output error.
05-Jun 09:18 xxx-sd JobId 794: Error: Re-read of last block OK, but
block numbers differ. Read block=990557 Want block=990558.
05-Jun 09:18 xxx-sd JobId 794: End of medium on Volume "A00030L4"
Bytes=63,902,942,208 Blocks=990,558 at 05-Jun-2018 09:18.
05-Jun 09:18 xxx-sd JobId 794: 3307 Issuing autochanger "unload slot
16, drive 0" command.
= = = = = = = = = = = = = = = = = =
As you can see, it had an error after about 64GB (of an 800GB native /
1600GB compressed tape).
I’ve cleaned the drive. And again, backups made with tar record
without error and restore without error.
Any ideas?
Thanks,
Dan Stieneke
IT Specialist
USDA - ARS - NWISRL
3793 N 3600 E
Kimberly, ID 83341
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