The good news: there is an an option for this.
The bad news: Only replica 3 is supported. Other options are for development purposes.




[root@hv00 ~]# cat /etc/vdsm/vdsm.conf
...

[gluster]
# Only replica 3 is supported, this configuration is for development.
# Value is comma separated. For example, to allow replica 1 and
# replica 3, use 1,3.
allowed_replica_counts = 1,3

...

https://bugzilla.redhat.com/show_bug.cgi?id=1238093



On 07/13/2015 05:08 PM, Konstantinos Christidis wrote:
Hello,

I created (through oVirt web) a GlusterFS distributed volume with four bricks.

When I try to add a New Domain - GlusterFS Data I am getting
Error while executing action Add Storage Connection: Internal Engine Error
and
Error validating master storage domain: ('MD read error',)

Full logs
engine.log - https://paste.kde.org/pefcwndgc/zamd2o/raw
vdsm.log - https://paste.kde.org/pxf91znwq/6mhrg3/raw

Gluster info/options - https://paste.kde.org/pjfauvisg/grfrvj/raw
(oVirt3.6/Centos7)

ps: My installation seems to work only with replica-3 oVirt Optimized volumes. Every other combination fails with the error above.

Any help would be appreciated.

Thanks,

K.
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K.
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