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Message-ID: <20070416030035.GX32602149@melbourne.sgi.com> Date: Mon, 16 Apr 2007 13:00:35 +1000 From: David Chinner <dgc@....com> To: Krzysztof Halasa <khc@...waw.pl> Cc: Neil Brown <neilb@...e.de>, "David R. Litwin" <presently42@...il.com>, linux-kernel@...r.kernel.org Subject: Re: ZFS with Linux: An Open Plea On Sat, Apr 14, 2007 at 08:56:40PM +0200, Krzysztof Halasa wrote: > Neil Brown <neilb@...e.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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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