Hi,
can you explain "phase tree" and/or give a reference ?
Steve.
>
> > You can do the same today on Linux with LVM snapshots. They are only
> > useful for read-only consistency checking because they are read-only.
> > (so in case of a problem you'll need to umount and rerun fsck on the
> > normal device)
>
> Also there is ext2 based work going on using phase tree rather than journalling
> which gives you similar journal properties, in future snapshots and also
> very nice handling of multipath error recovery.
>
> Alan
>
>
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