Re: [ovirt-users] Recommended gluster setup

In the replica 3 + 1 arbiter does this mean that if I loose the two nodes having the normal volumes and left only with the node that has the arbiter volume, I loose all data?

Thanx, Alex On Fri, Sep 15, 2017 at 11:25 AM, Kasturi Narra <knarra(a)redhat.com&gt; wrote: > Hi , > > yes, you are right. Since arbiter brick has only metadata and data > for the vm has to be served from one of the other two replicas, read is > slow. > > Arbiter is a special subset of replica 3 volumes and is aimed at > preventing split-brains and providing same consistency as a normal replica > 3 volume with out consuming 3x space. You could use replica 3 and no issues > with that. > > Thanks > kasturi > > On Fri, Sep 15, 2017 at 12:41 PM, Abi Askushi <rightkicktech(a)gmail.com&gt; > wrote: > >> Hi all, >> >> I see in the ovirt guides that a gluster volume replica 3 with 1 arbiter >> is recommended. >> Why not simple replica 3? Is it due to the higher replication data that >> would cause performance issues? >> >> What I am observing is that a VM running on the server which has the >> arbiter brick has slower read performance then when the same VM runs on >> another server with a normal brick. Has anyone observed this? Is it because >> the arbiter does not have the real data on it? >> >> Thanx, >> Alex >> >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> >> > _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users