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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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