[libvirt-users] invalid argument error when using cache parameter

[Igor Serebryany]

On Mon, Jan 24, 2011 at 11:26:36AM +0000, Daniel P. Berrange wrote:
> What filesystem type is /vms ?  I've seen this error message when
> the filesystem did not support O_DIRECT, which cache=none enables

yup, that was the exact culprit -- /vms is a FUSE-mounted FS which
doesn't support O_DIRECT. thanks!

--igor
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