Hi,
We are looking for some easy to manage self contained VM hosting. Ovirt
with GlusterFS seems to fit that bill perfectly. I installed it and then
starting kicking the tires. First results looked promising, but now I
can get a VM to pause indefinitely fairly easy:
My setup is 3 hosts that are in a Virt and Gluster cluster. Gluster is
setup as replica-3. The gluster export is used as the storage domain for
the VM's.
Now when I start the VM all is good, performance is good enough so we
are happy. I then start bonnie++ to generate some load. I have a VM
running on host 1, host 2 is SPM and all 3 VM's are seeing some network
traffic courtesy of gluster.
Now, for fun, suddenly the network on host3 goes bad (iptables -I OUTPUT
-m statistic --mode random --probability 0.75 -j REJECT).
Some time later I see the guest has a small "hickup", I'm guessing that
is when gluster decides host 3 is not allowed to play anymore. No big
deal anyway.
After a while 25% of packages just isn't good enough for Ovirt anymore,
so the host will be fenced. After a reboot *sometimes* the VM will be
paused, and even after the gluster self-heal is complete it can not be
unpaused, has to be restarted.
Is there anything I can do to prevent the VM from being paused?
Regards,
Sander
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