Re: [Savannah-help-public] backup tape space

[Ward Vandewege]

Sorry for the late response, I was on vacation.

On Fri, May 19, 2006 at 04:41:41PM +0200, Sylvain Beucler wrote:
> Also, do you keep backup tapes for a while, or are they reused every
> week?

We keep the first set of each month indefinitely. The others are kept for up
to 2 months, and then recycled.

> It is easy to restore a set of files from the previous day's rsync
> "hotcopy"?

Yes. It's a matter of copying the files off the filesystem.

> > I said 'almost 200GB'; I was being lazy. If you do 188 * 1024 * 1024 you 
> > will
> > see that that number is almost 200.000.000, which is what the du -s command
> > told me.
> 
> I suggest 'du -sh' ;)

Quite.

> > > You can probably exclude /root/Trash from the backup.
> > 
> > I have now. That should bring us down to 4 tapes again - we were up to 5 and
> > even 6 earlier this year.
> > 
> > Can you also clean out /var/tmp? It has a lot of large files from 2004.
> 
> Did so :) I also issued a series of 'make -f rules/debian clean' in
> compilation-environment to remove around 4GB.
> 
> Tell us how well the clean-up worked!

Much better now - we're on 4 tapes again. Thanks!

> You may add:
> /sys
> /subsystems/*/sys
> /tmp
> /subsystems/*/tmp
> /var/cache/apt/archives/*
> /subsystems/apt-proxy/var/cache/apt-proxy/* (but keep .apt-proxy)
> 
> You may remove:
> /subsystems/cvs/cvsroot.sv/*/dev/ (I trashed cvsroot/sv)
> /savannah/tmpfs/ (Unused -> deleted)
> /root/deleted-projects/*/cvsroot/dev/null (I removed those)
> /initrd (is it necessary to exclude it?)
> 
> You should rename:
> /savannah -> /subsystems/savannah

All done, thanks!

> Also: is, for example, /subsystems/arch/home restored in the case of a
> complete recovery? It's not the same as /subsystems/arch/home/*, and
> the directory itself may not be restored. We would need the empty
> directories (/home, /dev, /initrd, etc.) to be restored.

I've changed those exclusions to:

/subsystems/arch/home/*
/subsystems/cvs/home/*
/subsystems/download/home/*

That way, the directory will be restored, but the contents will not be.

OK?

Ward.

-- 
Ward Vandewege <address@hidden>
Free Software Foundation - Senior System Administrator