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Hello,
At last night I have sussessfully migrated my vms from kvm to gluster based ovirt 3.5.
It sounds good, but the results was terrible: The glusterfs (two node replicated) is too
slow for our vms. It is a very big problem, so I have looking for soultion.
I don't know why but glusterfsd now uses 500-800% of my cpus on each server.
At this moment I have only one gluster volume for vms.
I just wondering I will configure local storage on the second host and copy to all of vms
from glusterfs to this volume.
I know in this case the second host will be on a different Datacenter. But in this case
what will happend with my glusterfs? It will be break it? Will I lost my data? Could it
make split-brains on gluster?
It will break the whole ovirt-portal?
If possible I don't want to more downtime by this procedure.
It is possible?
My config:
2 node dell r710, raid5 , 3xbonded 1GBs NICs + one for internet access for vms. The
glusterfs uses same network with ovirtmgmt.
What can I do ?
Thanks in advance
Tibor
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<html><body><div style=3D"font-family: times new roman, new york,
times, se=
rif; font-size: 12pt; color: #000000"><div><span style=3D"font-size:
12pt;"=
Hello,</span></div><div><br></div><div>At
last night I have sussessfully m=
igrated my vms from kvm to gluster based ovirt
3.5.</div><div>It sounds goo=
d, but the results was terrible: The glusterfs (two node replicated) is too=
slow for our vms. It is a very big problem, so I have looking for soultion=
.</div><div>I don't know why but glusterfsd now uses 500-800% of my cpus
on=
each server.</div><div>At this moment I have only one gluster volume for v=
ms. </div><div>I just wondering I will configure local storage on the
=
second host and copy to all of vms from glusterfs to this volume. </di=
v><div>I know in this case the second host will be on a different Datacente=
r. But in this case what will happend with my glusterfs? It will be break i=
t? Will I lost my data? Could it make split-brains on gluster?</div><div>It=
will break the whole ovirt-portal? </div><div>If possible I
don't wan=
t to more downtime by this
procedure.</div><div><br></div><div>It is possib=
le?</div><div><br></div><div>My
config:</div><div><br></div><div>2 node del=
l r710, raid5 , 3xbonded 1GBs NICs + one for internet access for vms. The g=
lusterfs uses same network with
ovirtmgmt.</div><div><br></div><div>What ca=
n I do ?</div><div><br></div><div>Thanks in
advance</div><div><br></div><di=
v>Tibor</div><div><br></div><div><br></div></div></body></html>
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Demeter Tibor