[Gluster-users] Gluster + QEMU + live Migration + cache != none

[Jules Wang]

hi, all
    We also observed that live migration was failed when the cache mode is "write back".




Best Regards.
Jules Wang





At 2012-08-09 19:27:23,"Jake Grimmett" <jog at mrc-lmb.cam.ac.uk> wrote:
>Dear All,
>
>I've just updated my VM hosts to Scientific Linux 6.3. After setting the Disk 
>cache mode to "default" (writethrough?) rather than "none" I get the following 
>error when I try to migrate the VM:
>
>migrating wiki1
>error: Unsafe migration: Migration may lead to data corruption if disks use 
>cache != none
>
>Is gluster "coherent" across nodes, if so can I just use the --unsafe flag to 
>force the move?
>
>Many thanks,
>
>Jake
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