On Sun, Jul 10, 2016 at 10:49:52AM +1000, Lindsay Mathieson wrote: > Did a quick test this morning - 3.7.13 is now working with libgfapi - yay! > > > However I do have to enable write-back or write-through caching in qemu > before the vm's will start, I believe this is to do with aio support. Not a > problem for me. > > I see there are settings for storage.linux-aio and storage.bd-aio - not sure > as to whether they are relevant or which ones to play with.
Both storage.*-aio options are used by the brick processes. Depending on what type of brick you have (linux = filesystem, bd = LVM Volume Group) you could enable the one or the other. We do have a strong suggestion to set these "gluster volume group .." options: https://github.com/gluster/glusterfs/blob/master/extras/group-virt.example From those options, network.remote-dio seems most related to your aio theory. It was introduced with http://review.gluster.org/4460 that contains some more details. HTH, Niels
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