On Tuesday 05 April 2005 13:02, Arno Lehmann wrote:
> Hi.
>
> I've noticed something, purely accidential.
>
> Todays backups did the following (among other things):
> A job was started which required media from pool Full, media type DDS2.
> In the pool I had one volume in status append, one in status purged.
>
> The job started normally and ran as expected.
>
> > 05-Apr 08:20 goblin-dir: Start Backup JobId 1667,
> > Job=Ork.2005-04-05_08.20.00 05-Apr 08:20 goblin-sd:
> > Ork.2005-04-05_08.20.00 Warning: Director wanted Volume "DAT-120-0018".
> > Current Volume "DAT-090-0002" not acceptable because:
> >     1998 Volume "DAT-090-0002" status is Append, not in Pool.
> > 05-Apr 08:20 goblin-sd: Please mount Volume "DAT-120-0018" on Storage
> > Device "Sun" for Job Ork.2005-04-05_08.20.00 05-Apr 08:30 goblin-sd:
> > Volume "DAT-120-0018" previously written, moving to end of data. 05-Apr
> > 08:32 goblin-sd: Ready to append to end of Volume "DAT-120-0018" at
> > file=3. 05-Apr 08:32 goblin-sd: Spooling data ...
> > 05-Apr 09:02 goblin-sd: User specified spool size reached.
> > 05-Apr 09:02 goblin-sd: Writing spooled data to Volume. Despooling
> > 1,073,743,771 bytes ... 05-Apr 09:32 goblin-sd: End of Volume
> > "DAT-120-0018" at 3:14390 on device /dev/nst2. Write of 64512 bytes got
> > -1. 05-Apr 09:33 goblin-sd: Re-read of last block succeeded.
> > 05-Apr 09:33 goblin-sd: End of medium on Volume "DAT-120-0018"
> > Bytes=2,958,133,844 Blocks=45,855 at 05-Apr-2005 09:33. 05-Apr 09:34
> > goblin-dir: Recycled volume "DAT-120-0019"
> > 05-Apr 09:34 goblin-sd: Please mount Volume "DAT-120-0019" on Storage
> > Device "Sun" for Job Ork.2005-04-05_08.20.00
>
> Then, the volume was full and bacula requested the next volume. I
>
> changed the tapes and bacula continued:
> > 05-Apr 09:36 goblin-sd: Recycled volume "DAT-120-0019" on device
> > "/dev/nst2", all previous data lost. 05-Apr 09:36 goblin-sd: New volume
> > "DAT-120-0019" mounted on device /dev/nst2 at 05-Apr-2005 09:36. 05-Apr
> > 09:44 goblin-sd: Spooling data again ...
> > 05-Apr 10:18 goblin-sd: User specified spool size reached.
> > 05-Apr 10:18 goblin-sd: Writing spooled data to Volume. Despooling
> > 1,073,743,689 bytes ... 05-Apr 11:10 goblin-sd: Spooling data again ...
> > 05-Apr 11:40 goblin-sd: User specified spool size reached.
> > 05-Apr 11:40 goblin-sd: Writing spooled data to Volume. Despooling
> > 1,073,743,636 bytes ... 05-Apr 12:21 goblin-sd: Spooling data again ...
> > 05-Apr 12:23 goblin-sd: Committing spooled data to Volume. Despooling
> > 85,836,360 bytes ... 05-Apr 12:25 goblin-sd: Sending spooled attrs to the
> > Director. Despooling 49,818,542 bytes ... 05-Apr 12:39 goblin-dir: Bacula
> > 1.36.2 (28Feb05): 05-Apr-2005 12:39:29
>
> So far, nothing unusual, I'd say. Probably I'm overlooking something,
> because the funny thing are the following information messages:
>
> Subject: Bacula: *none* *none* of *none* *none*
> Sender: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> Date: Tue, 05 Apr 2005 09:44:12 +0200
> Message-Id: <[EMAIL PROTECTED]>
>
> 05-Apr 09:38 goblin-dir: There are no Jobs associated with Volume
> "DAT-120-0019". Marking it purged.
>
> and
>
> Subject: Bacula: *none* *none* of *none* *none*
> Sender: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> Date: Tue, 05 Apr 2005 12:39:30 +0200
> Message-Id: <[EMAIL PROTECTED]>
>
> 05-Apr 09:52 goblin-dir: Recycled volume "DAT-120-0019"
>
> For me, this looks like bacula went through the recycling process of the
> tape while it was in use. I have a bad feeling with this.

I suspect that it is more likely that the messages got stuck and that the 
time/dates are not accurate. See below.

>
> When I read the job report mail, I'd think that there should be 4 files
> on DAT-120-0019: "carry over" from the previous volume, and three times

No, it does not work that way. Files (EOF marks) are created at the end of a 
job or every 2 GB (default -- this can be changed). They are not related to 
spooling/despooling.  So, I'm not too surprised to see only three files on 
the tape.

>
> despooled data. Output from "list volumes" is:
> > +---------+--------------+-----------+----------------+----------+-------
> >-------+---------+------+-----------+-----------+---------------------+
> >
> > | MediaId | VolumeName   | VolStatus | VolBytes       | VolFiles |
> > | VolRetention | Recycle | Slot | InChanger | MediaType | LastWritten    
> > |     |
> >
> > +---------+--------------+-----------+----------------+----------+-------
> >-------+---------+------+-----------+-----------+---------------------+
>
> ...
>
> > |      27 | DAT-120-0018 | Full      |  2,958,133,844 |        3 |  
> > | 31,104,000 |       1 |    0 |         0 | DDS1      | 2005-04-05
> > | 09:33:16 | 28 | DAT-120-0019 | Append    |  2,377,931,297 |        3 | 
> > |  31,104,000 |       1 |    0 |         0 | DDS1      | 2005-04-05
> > | 12:25:34 |
>
> ...
>
> I guess I can prepare for a "number of files mismatch" error the next
> time I access that tape. This is not nice, but tapes are cheap...

Unlikely.

>
> What if the irregular recycling hat happend after the job was done?

The messages that you saw were daemon messages (why I am not sure) that means 
that they did not go through the normal message delivery system that attaches 
a message to a job and puts a correct time/date.  Most likely the message was 
sent and another thread was chewing up all the time so the message was 
delayed a few minutes and so the time/date are a bit later.

>
> And finally, an important question: What am I overlooking?
>
> ... almost forgot: bacula director and sd are version 1.36.2
>
> Arno

-- 
Best regards,

Kern


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