----- "Adam Goryachev" <mailingli...@websitemanagers.com.au> wrote:
>
> Why expire all of January in the first week of February? That means you
> only have one weeks history? Why not just tell backuppc to keep 5
> 'weekly' fulls, which means you will always have the ones you want?
>
> > I found a delete script that can do the deletes for me, but is that the
> > only way? I'd hate to have to parse output to figure out what to delete.
>
> Yes, this is the hard part. Sooner or later you will probably need to
> find a way to expire a specific backup number. I don't think this will
> really work otherwise.
>
> Personally, I don't like this solution either...
>
> > BackupPC isn't meant designed to do this stuff, so I may have to script
> > the whole process. Ugh. My perl "ain't so good".
>
> Nope, it isn't... I don't think there is a 'proper' way to delete a
> specific backup either, but it would definitely require a bit of
> scripting, and making sure you don't 'mess it up' under any circumstance
> is harder.
>
> So far, I have used two variations:
> 1) Use the supported keep values (with various values)
> 2) Keep everything for ever. (Use excessively high keep values to cover
> at least 10000 backups).
>
> I think your main issue is that backuppc can't use block level
> de-duplication. If it could, you could store all your daily SQL backups
> with minimal actual storage space consumption. Of course, this would
> come in handy for plenty of others too :)
>
> Maybe someone else will have something more helpful to add.
>
> Regards,
> Adam
>
I appreciate the help. For now I have a crontab entry that calls a bash script
every Friday, to perform fulls for the server, and I've set $Conf{FullPeriod}
to 7.1. That should work for the next while, since Jan and Feb's last workday
of the month is a Friday.
I also have a plan for running a full on the last day of the month, which is
really no biggie. I'll put that in place in a bit.
Now all I need is a smart backup expire plan, so that by December all I have is
the last day of the month backups for Jan-Nov, and a regular slew of
incrementals/fulls for Nov and Jan.
Gerald
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