On 10/21/2010 12:10 PM, Martin Simmons wrote:
>>>>>> On Thu, 21 Oct 2010 10:51:51 -0300, Kleber Leal said:
>>
>> 2010/10/21 Martin Simmons<martin AT lispworks DOT com>
>>
>>>>>>>> On Wed, 20 Oct 2010 15:34:42 -0400, Dan Langille said:
>>>>
>>>> I'm getting recycling before retention expires. Or so I think. It may be
>>>> possible that the Pools definitions are out of date, but before I run an
>>>> update command, I wanted to see if anyone saw something out of order here.
>>>>
>>>> This is the Volume before it was recycled:
>>>>
>>>> Pool: FullsFile
>>>> | mediaid | volumename | volstatus | enabled | volbytes |
>>> volfiles | volretention | recycle | slot | inchanger | mediatype |
>>> lastwritten |
>>>> | 445 | FileAuto-0445 | Full | 1 | 5,368,691,646 |
>>> 1 | 94,608,000 | 1 | 0 | 0 | File | 2010-04-16
>>> 08:24:59 |
>>>>
>>>> That is 3 years retention. Last written April this year
>>>>
>>>> The Volume is then recycled during the job:
>>>>
>>>> 20-Oct 20:18 kraken-sd JobId 39232: User defined maximum volume capacity
>>> 5,368,709,120 exceeded on device "MegaFile"
>>> (/storage/compressed/bacula/volumes).
>>>> 20-Oct 20:18 kraken-sd JobId 39232: End of medium on Volume
>>> "FileAuto-0437" Bytes=5,368,688,857 Blocks=83,220 at 20-Oct-2010 15:18.
>>>> 20-Oct 20:18 bacula-dir JobId 39232: There are no more Jobs associated
>>> with Volume "FileAuto-0445". Marking it purged.
>>>> 20-Oct 20:18 bacula-dir JobId 39232: All records pruned from Volume
>>> "FileAuto-0445"; marking it "Purged"
>>>> 20-Oct 20:18 bacula-dir JobId 39232: Recycled volume "FileAuto-0445"
>>>> 20-Oct 20:18 kraken-sd JobId 39232: Recycled volume "FileAuto-0445" on
>>> device "MegaFile" (/storage/compressed/bacula/volumes), all previous data
>>> lost.
>>>> 20-Oct 20:18 kraken-sd JobId 39232: New volume "FileAuto-0445" mounted on
>>> device "MegaFile" (/storage/compressed/bacula/volumes) at 20-Oct-2010 15:18.
>>>
>>> I think you might be confused about the meaning of the Volume Retention
>>> directive. It controls automatic pruning, but it doesn't prevent recycling
>>> if
>>> the volume has no jobs remaining in the catalog. The latter can happen if
>>> the
>>> Job Retention directive in the Client(s) caused pruning prior to this
>>> backup.
>>
>> He is not confused. I think.
>> The bacula should not to recycle a volume, even if there is not appendable
>> volumes*.
>> *The manual says: *"**The Volume Retention record defines the length of time
>> that Bacula will guarantee that the Volume is not reused** counting from the
>> time the last job stored on the Volume terminated". *Not mention to jobs on
>> catalog.
>>
>> The files and job retention period comes to prevent catalog growing, not to
>> recycle volumes, says the manual.
>>
>> *The Volume Retention record defines the length of time that Bacula will
>> guarantee that the Volume is not reused counting from the time the last job
>> stored on the Volume terminated.
>
> It seems that the manual contradicts itself about this directive, because
> http://www.bacula.org/5.0.x-manuals/en/main/main/Configuring_Director.html#SECTION0018150000000000000000
> in the same manual defines the Volume Retention directive as:
>
> "The Volume Retention directive defines the length of time that Bacula will
> keep records associated with the Volume in the Catalog database after the End
> time of each Job written to the Volume."
>
> I.e. it controls pruning, not recycling.
Which in turn affects recycling.
> If a Full or Used volume has no jobs in the catalog, then it can be marked as
> Purged and can be recycled. AFAICS, the code has worked like that for a long
> time and the message
>
> "There are no more Jobs associated with Volume .... Marking it purged."
>
> is printed when it detects that, regardless of the Volume Retention period.
I suggest that jobs are being pruned before they should be pruned.
Perhaps I've misunderstood it all these years. If the retention period
is 1 year (default), why are jobs being pruned before before that? The
last written value is April.
--
Dan Langille - http://langille.org/
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