Re: ZFS with Linux: An Open Plea

David Chinner
2007-04-16T03:00:56Z

On Sat, Apr 14, 2007 at 08:56:40PM +0200, Krzysztof Halasa wrote:
> Neil Brown <neilb@suse.de> writes:
>
> > What, specifically, is there in ZFS that you want to use in Linux?
> > There is lots of interesting stuff in there, but which bit has caught
> > your attention? It is possible that that functionality can be
> > incorporated into Linux without trying to clone or copy ZFS.
>
> Filesystem block hashes (checksums) and in-fs redundancy (using the
> hashes to determine which copy of data is correct in case of
> corruption). It would mean multi-device filesystem.

Yup - multidevice support in XFS is something I'm working on
at the moment. There's many nice features that multi-device
filesystems can take advantage of (different geomteries,
multiple journals, internal RAID, redundancy, partially
online/offline filesystems, partial filesystem repair, etc).

Cheers,

Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group