Hello,
Your best resource for resolving this problem is the manual. For example, if I
am not mistaken, it clearly tells you that the Max Volume Duration is not
designed for ensuring that your volumes are properly recycled.
Since you were describing your problems, it is not really clear what you were
trying to implement, but I suspect that if you read the chapter
entitled "Automated Disk Backup" in the manual, it probably does much of what
you are looking for. That particular scheme has been continuously running
for something like four years now with no failures, the only intervention was
early on to add a second disk because their usage increased significantly
after about a year, to upgrade Bacula from time to time, an upgrade from
SQLite2 to SQLite3, a change of backup server hardware (newer machine), and
an increase in the retention periods because their total file usage has
decreased ... The scheme documented in that chapter uses no external
scripts for managing the volumes.
Kern
On Wednesday 09 July 2008 23:50:24 Mingus Dew wrote:
> All,
> I have been running Bacula in production for over a year now, and have
> upgraded through 3 versions to 2.4.0. All this time I've had an issue
> managing disk Volumes. I have posted many times before asking for
> assistance with this issue. The first issue I encountered was using the
> "Max Volume Duration" setting to have each Volume only be used for 7 days,
> then marked as Used. However, I would run into this issue
>
> The job starts:
> 03-Mar 20:00 back4.director JobId 1951: Start Backup JobId 1951,
> Job=www1.client_Daily_Disk.2008-03-03_20.00.12
> 03-Mar 20:00 back4.director JobId 1951: Using Device "My_ZFS_Storage"
>
> The troubles start:
> 03-Mar 20:00 back4.director JobId 1951: Max configured use duration
> exceeded. Marking Volume "My_Disks-3" as Used.
> 03-Mar 20:00 back4.director JobId 1951: There are no more Jobs associated
> with Volume "My_Disks-4". Marking it purged.
> 03-Mar 20:00 back4.director JobId 1951: All records pruned from Volume
> "My_Disks-4"; marking it "Purged"
> 03-Mar 20:00 back4.director JobId 1951: Recycled volume "My_Disks-4"
> 03-Mar 20:00 back4.storage JobId 1951: Fatal error: acquire.c:366 Wanted to
> append to Volume "My_Disks-4", but device "My_ZFS_Storage"
> (/mnt/backup1/mydisks/bacula) is busy writing on "My_Disks-3" .
> 03-Mar 20:00 www1.client JobId 1951: Fatal error: ../../filed/job.c:1811
> Bad response to Append Data command. Wanted 3000 OK data
> , got 3903 Error append data
>
> And this continues for any other jobs with this schedule:
>
> 03-Mar 20:01 back4.storage JobId 1950: Fatal error: acquire.c:366 Wanted to
> append to Volume "My_Disks-4", but device "My_ZFS_Storage"
> (/mnt/backup1/mydisks/bacula) is busy writing on "My_Disks-3" .
> 03-Mar 20:01 www2.mentora JobId 1950: Fatal error: ../../filed/job.c:1811
> Bad response to Append Data command. Wanted 3000 OK data
> , got 3903 Error append data
>
> Basically the Volume expires in the middle of job runs, and subsequent jobs
> fail. I HAVE NOT BEEN ABLE TO SOLVE THIS ISSUE AT ALL and I've gotten no
> help either. Its kind of frustrating, but I've kept plugging away.
>
> To keep this from happening, I removed the "Max Volume Duration" setting
> and updated my Volumes. This has stopped the previous issue, but not really
> been a satisfactory solution as now my disk volumes do not overwrite, they
> only continually Append. This means that while the jobs are pruned from the
> database according to the Retention period I've set, the Volume size never
> decreases and the volume is never overwritten.
>
> This caused almost catastophic failure recently when the disk volumes grew
> beyond the size available on disk. I had to purge and delete them, because
> they can't be readily truncated. This caused a loss of 30 days worth of
> backups that are now not recoverable.
>
> I'm at my wits end here and don't know how to address these issues. I only
> hope that there are members in this community who can help me with this
> problem.
>
> Thank you,
> Shon
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