[ovirt-users] oVirt 4.1.5 Finally GlusterFS via lbgfapi

[Ralf Schenk]

Dear List,

finally its there : Ovirt VM's can use native gluster via libgfapi. I
was able to start a vm on gluster after setting "engine-config -s
LibgfApiSupported=true"

This was the disk definition as seen by "virsh -r dumxml myvm" on the host

   <disk type='network' device='disk' snapshot='no'>
      <driver name='qemu' type='raw' cache='none' error_policy='stop'
io='threads'/>
      <source protocol='gluster'
name='gv0/5d99af76-33b5-47d8-99da-1f32413c7bb0/images/9c007b27-0ab7-4474-9317-a294fd04c65f/ba2dfe7f-bdcf-4680-878d-7d71272f3ffb'>
        <host name='mygluster.domain.de' port='0'/>
      </source>
      <backingStore/>
      <target dev='sda' bus='scsi'/>
      <serial>9c007b27-0ab7-4474-9317-a294fd04c65f</serial>
      <boot order='1'/>
      <alias name='scsi0-0-0-0'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </disk>

Responsiveness of VM is much better (already seen when Updateng OS
Packages).

But I'm not able to migrate the mashine live to another host in the
cluster. Manager only states "Migration failed"

I did this already years ago without management interface by only using
libvirt commands on gluster. Why this is still not working ?

Since gluster is a networked protocol I can't see any reason for it.

I followed all the bugs like
https://bugzilla.redhat.com/show_bug.cgi?id=1022961 since last year and
saw them being worked on.

Now I'm really disappointed. Running something like MySQL in a VM via
gluster via  FUSE is crap. :-(

Not being able to migrate machines in an ovirt cluster is crap, too if
one wants to stay current. A few VM's on my OVirt are running for ~200
days now while constantly upgrading to latest Ovirt Release. That needs
live migration of course.

Bye


-- 


*Ralf Schenk*
fon +49 (0) 24 05 / 40 83 70
fax +49 (0) 24 05 / 40 83 759
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