i may as well come clean B). i'm trying to find a way of backing up
mailboxes(some are already >2gb) more efficiently. Given that they're in mbox
format, it's virtually the same as doing a full backup.
At least with rdiff-backup, you'd only need to store the deltas...then
again it seems i have to incur an "overhead" -- the initial mirror.
--- On Tue, 10/20/09, Federico Sevilla III <[email protected]> wrote:
> From: Federico Sevilla III <[email protected]>
> Subject: Re: [plug] rdiff-backup question
> To: "Philippine Linux Users' Group (PLUG) Technical Discussion List"
> <[email protected]>
> Date: Tuesday, October 20, 2009, 9:25 PM
> On Mon, 2009-10-19 at 19:39 -0700,
> plug bert wrote:
> > i noticed that rdiff-backup has the
> --delete-older-than option; say
> > you want to use rdiff-backup to back up mailboxes;
> after running the
> > initial mirror, would it be possible to delete the
> initial mirror the
> > following day, then just store the deltas
> indefinitely?
> >
> > Alternately, is it possible to store the deltas on a
> disk separate
> > from the intial mirror?
>
> As a general rule, don't touch the rdiff-backup repository
> except
> through the rdiff-backup command. I've learned at least
> this much having
> used rdiff-backup extensively for a few years now.
>
> I switched to rdiff-backup from rsnapshot because with
> rdiff-backup, you
> only store the deltas of the increments, while with
> rsnapshot, you have
> a copy of the old file and the changed file.
>
> The way I understand how it works in a nutshell is you have
> the current
> snapshot data as is, and then deltas and metadata in
> separate files. So
> while you could theoretically move the deltas onto separate
> media every
> now and then, recovery doesn't look straightforward.
>
> Maybe something like AMANDA would have a more
> straightforward solution
> to your problem?
>
> --
> Federico Sevilla III
> F S 3 Consulting Inc.
> http://www.fs3.ph
>
> -----Inline Attachment Follows-----
>
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