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Re: [linux-lvm] How do you mount a snapshot?
- From: David Gould <dg suse com>
- To: linux-lvm sistina com
- Subject: Re: [linux-lvm] How do you mount a snapshot?
- Date: Sun, 10 Dec 2000 22:48:08 -0800
On Fri, Dec 08, 2000 at 09:30:50PM +0100, Christian Limpach wrote:
> > Ok, so we are agreeing, it does not work on ext2 either unless you sync
> > and do not write between the sync and the snapshot. Doable, but not
> exactly
> > "safe".
>
> hmm, I think it works for ext2 because you can always mount an ext2
> filesystem even if it's in an inconsistent state. This is what happens
> everytime when your machine panics and you need to fsck your disks during
> the reboot, the root filesystem is mounted read-only... It's my
Ok, but then you have an inconsistant filesystem. Which is not exactly
what I think of as "works" or "safe". My point was that snapshots are
great, but don't make the problem of consistancy magically disappear.
-dg
--
David Gould dg suse com
SuSE, Inc., 580 2cd St. #210, Oakland, CA 94607 510.628.3380
"As I've gained more experience with Perl it strikes me that it
resembles Lisp in many ways, albeit Lisp as channeled by an awk
script on acid." -- Tim Moore <moore herschel bricoworks com>,
on comp.lang.lisp
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