Re: subhurds etc.

[Sergiu Ivanov]

Hello,

On Mon, Oct 26, 2009 at 07:22:28AM +0100, olafBuddenhagen@gmx.net wrote:
> On Wed, Sep 23, 2009 at 03:38:08PM +0300, Sergiu Ivanov wrote:
> 
> > I'd like to have a snapshotting filesystem at my box, because having
> > experienced the possibility to roll anything back in git, I'd be happy
> > to be able to do so with the non-git-managed files :-)
> 
> Well, btrfs is not quite ready yet for production use AFAIK; but it
> won't take too long I think.

Yeah, I'm keeping an eye on it and I guess I'll be trying it out soon.
 
> However, you don't really need a snapshotting filesystem for that. While
> technically less elegant and efficient, other methods for doing regular
> snapshots (AKA backups) existed for ages...

That's, of course, true :-) I do backups of sensitive information, but
the reason I want a snapshotting filesystem for is automated decision
when to do the backup.  I often think about doing a backup after
having screwed things up.

OTOH, a snapshotting filesystem is not exactly about backups IMHO.
When I do a backup, I aim at keeping two copies of information so that
I can always restore it on failure.  When I do a filesystem snapshot,
I do it to be able to revert things from some future state.  Although
technically these are almost the same, I can see significant
conceptual difference.

Regards,
scolobb