Re: [rdiff-backup-users] Using --force all the time with automatic backup

[Cybertinus]

Maarten Bezemer wrote:
> Hi,
>
> On Fri, 12 Jun 2009, Cybertinus wrote:
>
> > But my desktop isn't turned on 24/7. I turn it off every night.
> > When I turn it back on, then my script runs a backup again. And when 
> > it runs rdiff-backup --remove-older-than 2D 
> > "/backup/snapshots/home/cybertinus/mail" it finds a lot of old 
> > increments. I get something like the following error:
> >
> > "Starting backup of /home/cybertinus/mail at Fri Jun 12 10:00:32 CEST 
> > 2009
> > Fatal Error: Found 5 relevant increments, dated:
> > Wed Jun 10 01:00:51 2009
> > Wed Jun 10 06:00:43 2009
> > Wed Jun 10 07:00:53 2009
> > Wed Jun 10 08:00:51 2009
> > Wed Jun 10 09:00:44 2009
> > If you want to delete multiple increments in this way, use the --force.
> > Done backing up /home/cybertinus/mail at Fri Jun 12 10:00:49 CEST 2009"
>
> Are you running the --remove-older-than after (or before!) every hourly 
> run. Why not? That might help. (Untested might..)

I run the --remove-older-than command after I create a new backup. Are 
you suggesting to run it before the backup?

> Or, maybe it would be an idea to keep a limited number of increments, 
> counting increments and not days. That way, you can surely remove 1 
> increment after (or before) every regular run.
> So, given you backup every hour and want to keep 2 days worth of 
> backups, that is 48 hourly increments in the 'worst case'. Of course in 
> theory this could mean you keep 48 days worth of history when you only 
> have your computer switched on for one hour a day, but in that specific 
> case it would actually make more sense to have 48 days of history than 
> only 2 increments total.

I used rsnapshot for backups before I used rdiff-backup. One of the 
reasons I switched away from it was that I could only tell rsnapshot to 
have an amount of snapshots and not "keep the snapshot for 2 days". I 
just like the 2 days option better, so I think I'm sticking to that.
My desktop has an uptime of approximately 16 hours a day.

> HTH,
HTH?

>  Maarten

Regards,
Cybertinus

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