On Sat, Feb 16, 2013 at 12:36 PM, John Kinsella <j...@stratosec.co> wrote: > Bryan - are you running the KVM disks with writethrough or writeback caching? > From my exp, I had to switch to writethrough for gluster to work, and that > resulted in a 4x performance hit for a VM to write to the gluster store vs > writing to gluster directly on the host... > > John >
The folks at IBM have been doing lots of work on this to make it less painful. See http://www.gluster.org/2012/11/integration-with-kvmqemu/ Of course that depends on a new qemu and a yet-to-be-released gluster, but the early results are promising. --David