On 7/25/19 8:37 AM, Adam Weremczuk wrote:
> On 25/07/19 13:15, Uwe Schuerkamp wrote:
> 
>> no, I don't think so. If you run parallel Jobs the data will be interleaved 
>> on the tape, and a tape being a seq. access medium you are out of luck here.
> How about if I set:
> 
> Maximum Concurrent Jobs = 1
> 
> Then all jobs will be written on continuous tape segments.

Adam,
Sorry, but no, you can't do it.  If you are backing up to DISK and using
one job per volume, you can delete the disk volume holding a specific
job, but no, there is no feasible way within Bacula to erase only a
single job from a tape that contains multiple jobs.

You could conceivably write an add-on tool that could read Bacula tape
format and go in and zero all the tape blocks corresponding to a
particular job, but it is such a niche requirement it's unlikely to ever
happen in Bacula itself.

Your best bet, which you CAN do with existing Bacula functionality,
would be to copy the jobs you want to KEEP to a new tape, then erase the
tape.



-- 
  Phil Stracchino
  Babylon Communications
  ph...@caerllewys.net
  p...@co.ordinate.org
  Landline: +1.603.293.8485
  Mobile:   +1.603.998.6958


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