[Gluster-users] Unable to add brick from new fresh installed server into upgraded cluster

JF Le Fillâtre jean-francois.lefillatre at uni.lu
Wed Nov 26 09:30:08 UTC 2014

Hello Alastair,

The tip to change the operating version number was given in another mail to the list within the last few hours:

gluster volume set all cluster.op-version 30600

My own /var/lib/glusterd/glusterd.info files, from a freshly installed 3.6.1, contain the following line:


But interestingly, the log files on my clients contain lines like:
0-vol2-client-0: Using Program GlusterFS 3.3, Num (1298437), Version (330)

Note that I have no idea if changing the op-version will create side-effects that will put your data at risk. Can anyone from Gluster/RedHat provide some insight on this topic?


On 25/11/14 20:48, Alastair Neil wrote:
> I have a 2 server CentOS 6 replicated cluster which started out as
> version 3.3 and has been progressively updated  and is now on version
> 3.6.1.  Yesterday I added a new freshly installed CentOS 6.6 host and
> wanted to convert to replica 3 on one of my volumes, however I was
> unable to add the brick as it reported that all the brick hosts had to
> be at version 03060.   Presumable some minimum compatibility is set on
> the volume, but I am struggling to find where.  The info file under
> /va/lib/glusterd/vols/volname has op-version=2, client-op-version=2.
> Any suggestions?
> Thanks, Alastair
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