I am setting up bacula and would appreciate some help in understanding some
of the basics. I apologize in advance since some of these questions are
somewhat basic, yet my google abilities have proved fruitless.

I have a pair of LTO4 drives that want to use to backup ~600GB of data,
which should fit on a single tape (800G uncompressed). I would like to use
this as a "disaster recovery" mechanism from which I can rebuild
everything, so ideally the tapes should be unmounted and stored offsite in
a rotating fashion.

My plan is to perform monthly full backups and nightly incremental backups.
The first day of the month I would use a new tape, which would then be used
for all of the incremental backups for the rest of the month. At the start
of the next month, I would use a new tape, and the previous take would be
rotated offsite.

How should I setup the jobs/pools to achieve this? Is there a way to
indicate to bacula should consider a volume as "full" once the next month
starts? Would it be possible to automatically unmount and eject the tape
when it is "done" for the month?

Regarding the ability to rebuild everything from tape alone, my
understanding from the docs is that I need both the backups (full +
incremental) plus the catalog backup. Is there anything missing here?

Additionally, when it comes time to change the tape at the start of the
month, what is the notification method? Will bacula generate an email
indicating that the volume needs mounted, or will the first job of the
month fail, indicating that I need to swap tapes?

Lastly, suppose I define a virtual autochanger for the two drives. If I am
writing to volume 1 for this month, can I mount volume 2 in the second
drive so that bacula will recognize it an simply start the next backup at
the start of the next month?

Thanks,

Ryan
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