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SubjectRe: Versioning file system
Hi,

On Fri, Jun 15, 2007 at 04:01:14PM -0700, alan wrote:
> On Fri, 15 Jun 2007, Kok, Auke wrote:
> ><snip>
> >
> >have you looked into ext3cow? it allows you to take snapshots of the
> >entire ext3 fs at a single point, and rollback / extract snapshots at any
> >time later. This may be sufficient for you and the implementation seems to
> >be rather stable already.
>
> As long as there is only one person using the file system. Rolling back
> the entire filesystem may work well for you, but screw up something else
> someone else is doing.
>
> And what kind of rights do you have to assign to the user to do that level
> of snapshot and rollback? You have to assume that there are more than one
> user and that they have less than root privileges.

Perhaps BTRFS might be of interest where you can have a subvolume for every
user: http://lkml.org/lkml/2007/6/12/242

Hannes
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