On Mon, Jan 4, 2010 at 1:14 PM, Phil Stracchino <ala...@metrocast.net> wrote:
> Anton Albajes-Eizagirre wrote:
>> Hi,
>>
>> I'm trying to set a backup system where i'd use a single tape to store a
>> full backup on a single job.
>>
>> The first backup goes fine, and also the restore. The problem comes
>> while trying to run again the full backup job with the same tape on the
>> drive. Even if the tape is rewinded, bacula returns me an error saying
>> that there's no volume:
>>
>> 04-Jan 17:18 adhara-sd JobId 61: Job
>> testbackupjob.2010-01-04_17.18.47.06 waiting. Cannot find any appendable
>> volumes.
>> Please use the "label" command to create a new Volume for:
>> Storage: "DellPowervault110T" (/dev/nst0)
>> Pool: pooltest
>> Media type: LT02
>>
>> My pool looks like:
>>
>> # pool for tests
>> Pool {
>> Name = pooltest
>> Pool Type = Backup
>> AutoPrune = no
>> Recycle = yes
>> Use Volume Once = yes
>> # Volume Retention = 365 days
>> Maximum Volume Jobs = 1
>>
>> }
>>
>> Should i set volume retention to lower than a day? Can i set it to 0, so
>> i can run the same backup over the same tape one right after the other?
>> (just for testing)
>
> Where's the problem here? You said, "use volume once". You use the
> volume once, then you try to use it again, and Bacula says "No, you told
> me to only use it once. You need to label a new volume." It's doing
> exactly what you told it to do.
>
> If you want to run multiple jobs to the tape, you'll need to take out
> "Use Volume Once = yes" from your Pool definition. Or if you want to
> leave that in, but you want to overwrite the tape that you've just used,
> then you'll have to purge and recycle it before you can reuse it.
>
> If you want to run several jobs to the volume in a short period, then
> not use it again, try setting Volume Use Duration instead of Use Volume
> Once.
>
Doesn't Use Volume Once mean the same as Maximum Volume Jobs = 1.
I am pretty sure both do the same thing. Although "Use Volume Once" is
deprecated.
John
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