[Gluster-users] Gluster v 3.3 with KVM and High Availability

Samuli Heinonen samppah at neutraali.net
Thu Jul 12 06:03:36 UTC 2012

On 11.07.2012 21:35, Brian Candler wrote:
> On Wed, Jul 11, 2012 at 12:55:50PM -0500, Mark Nipper wrote:
>> 	Would that be using something like O_DIRECT which FUSE
>> doesn't support at the moment?
> Yes. FUSE does support it in recent kernels (3.4), and I tried it. 
> Nothing
> happened until I also mounted with -o direct-io-mode=enable; with 
> that and
> cache=none, the VM was unable to start up at all.

This FUSE patch has been backported into RHEL 6.3 and should also work 
with latest 6.2 kernels.

Iirc, it also worked with cache=none without any special mount options, 
but unfortunately I don't have possibility to test if that's true :(


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