On Thu, 2002-05-02 at 11:47, Greg Freemyer wrote:
> XFS team,
>
> I've just become aware of a problem on another Journaled file-system (it is
> not a Linux filesystem).
>
> With this filesystem, the meta-data can be out of sync during a snapshot
> operation.
>
> If this happens, the snapshot is corrupt and can't be counted on to be a
> valid backup.
>
> They are introducing a new feature for it: "freeze/thaw".
>
> The idea is that you issue a freeze prior to taking the snapshot and a thaw
> after the snapshot is complete.
>
> Does XFS have any similar problems, and if so are there fixes in place, or in
> the pipeline.
>
> Note that this was a very occasional problem on the other filesystem, so
> anecdotal statements of it "works fine for me" may not mean much.
>
>
> Greg Freemyer
>
man xfs_freeze
Or if you have the correct LVM patches in place then the kernel does it
all for you.
Steve
--
Steve Lord voice: +1-651-683-3511
Principal Engineer, Filesystem Software email: lord@xxxxxxx
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