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Re: [Qemu-devel] [RFC] Disk integrity in QEMU


From: nuitari-qemu
Subject: Re: [Qemu-devel] [RFC] Disk integrity in QEMU
Date: Mon, 13 Oct 2008 22:28:47 -0400 (EDT)

Is there a reason why you wouldn't use, say, GFS on the host (because
it claims to be coherent)?  Does performance suck relative to O_DIRECT
over NFS?

Complexity?

To set up GFS2 you have to have a full cluster setup, get it working, make sure that locking works, that quorum is achieved, have failover and proper fencing working properly.

Plus you then have to maintain all of that.

Then you find out that GFS2 is not ready for production (deadlocks), GFS is too old to be supported by a recent kernel.

OCFS isn't easier either.





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