Hello List,
my company is using bacula for quite a while and we find it is a
really cool piece of software! So thanks to Kern and everybody else
involved.
I would like to know if anybody managed to imitate the behaviour of
Veritas as close as possible for the following scenario:
- Customers do full backups in multiple jobs every night
- Customers sometime forget to change the tape, so it shall be
"overwritten" in that case
- Sometimes customers take out the "monthly" tape and put it away
- Some customers have autochanger's, some just a normal TapeDrive
but i think that does not matter for this question
Now the behaviour of most commercial backup applications (like Veritas)
is to overwrite the tape in case it has been left in the drive from the
previous day. Only if the tape is overwritten, the records are being
purged from the database otherwise the configured retention periods apply.
I tried to imitate this behaviour with Bacula v1.36, v1.38 and v2.01
without success. Here is the relevant config of a simple DLT drive.
Pool {
Name = WeeklyPool
Pool Type = Backup
AutoPrune = yes
Volume Retention = 15h
Volume Use Duration = 15h
Recycle = yes
Recycle Current Volume = yes
Maximum Volumes = 0
}
This works nicely, but obviously the only gotcha is, that records are
being purged from the database every 15 hours (daily). But without
specifying "Volume Retention" AND "Volume Use Duration" together it does
not work either.
I thought of using "Maximum Volume Jobs", but this is unhandy, since the
database has to be adjusted every time a job is added or deleted.
Another option would be to set AutoPrune to no and drop the records
manually. The best directive would probably be "Use Volume Once", but
this is to be deprecated.
I am looking for some lean solution without helper scripts, cronjobs and
just one pool.
Any ideas?
regards
GeE
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