Bacula-users

Re: [Bacula-users] bacula tape rotation

2013-01-20 06:54:52
Subject: Re: [Bacula-users] bacula tape rotation
From: "Timo Neuvonen" <timo-news AT tee-en DOT net>
To: bacula-users AT lists.sourceforge DOT net
Date: Sun, 20 Jan 2013 13:49:44 +0200
> > My plan is that Sunday at 2 a.m. I will make full backup and then every 
> > day Incremental at 2.a.m at first tape.
> > Next Sunday I will make again full backup on next tape a and then every 
> > day incremental  on the second tape.
> > And this will repeat.
> >
> > Can you please tell me how to rotate this tapes (prun, label etc....)
> > I have no idea how to do this.

> You can somewhat control this using the settings in your pool resource to 
> limit the volume retention. Or totally control this by using separate 
> pools for the first and second set and using the schedule to explicitly 
> say what pool to use on what week (even / odd ...).
>
> John

I'm not sure if this convention varies from country to country (or if 
Bacula's internal calendar is guaranteed to have 52 weeks a year) but at 
least somewhere a year can occasionally have 53 weeks in the country's 
official calendar. This may cause the even/odd week schedule to fail in the 
beginning of January when there are two odd weeks in a row.

Is it safe to expect one week to fit into one tape in the case in question? 
If not, using retention periods to control this may also lead to different 
behaviour than originally planned.

--
TiN





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