Dwight,
Thanks for the thoughts, very helpful!
> > Even though option #3 has some drawbacks, the likelihood of those
> > drawbacks happening are slim, especially if I mirror my big backup
> > drive. I'm leaning toward it at the moment unless someone can suggest
> > a way to make a COPY of a volume from one device to another device,
> > perhaps using bcopy or some other technique available to bacula.
>
> FWIW: The next task on my plate for implementing our Bacula-base backup
> solution is to set up an off-site storage process. I plan on using
> bcopy for this, except that I will be writing to external USB drives
> instead of tape. From what I've seen in playing with bcopy, it does not
> store info about the copies in the MySQL database, but it does update
> some of the metadata stored in the backup file. Since info about the
> volume is not stored in the database (which would not be available
> anyway in the building-burned-down scenario anyway), you will have to
> use 'bscan' to let bacula know what is on the volume before you can
> actually to the restore. However, it might be possible to avoid that by
> also saving the catalog offsite as well.
Would you use bcopy separate from bacula, creating your own scripts
that run off a cron job? Or would you somehow integrate using bcopy
into a bacula job using custom bacula scripts?
Also, do you know if bacula-sd has to be shut down to release the tape
drive for bcopy to use? I haven't experimented yet, so I don't know.
But if you have, what have you discovered?
> As to identifying which backup disk files are full backups that need to
> be bcopied, it would probably be possible to ask MySQL. But to make it
> "easier" I've created a pool called 'Full' with a 'LabelFormat' of
> 'Full_'. I've set up my jobs to use this pool for any Full backup
> ("Full Backup Pool = Full" in the job definition). So any backup file
> on disk with name of 'Full_*' and with a mod time more recent than the
> last time the offsite copy job was run will be copied to the offsite
> media.
Thanks for the suggestion. I'm actually already doing that as well.
All my full backups are stored as Full_*.
I guess I was hoping that there was a bacula feature that does a
volume copy. It sounds like that isn't the case if you are also
considering using bcopy. Too bad, maybe it could be a feature for a
new version.
Tauren
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