Re: [ovirt-users] Advise needed: building cheap HA oVirt cluster with just 2 physical servers

On fre, 2017-11-03 at 10:39 +0300, Artem Tambovskiy wrote: > Thanks Eduardo! > > I think I can find a third server to build a glusterFS storage. So > the first step will be to install a self-hosted engine on the new > server and start building a glusterFS storage. You´ll need to build the Gluster storage first, as you´ll want to install the Hosted Engine _in_ the HA Gluster storage, right? /K > IS there any easy way to migrate existing 5 VM's running on the > second bare-metal oVirt host, right? I found a little bit tricky > moving oVirt backups between the hosts (at least I failed to > replicate the existing VM's on the second server). > > Regards, > Artem > > > > On Fri, Nov 3, 2017 at 10:24 AM, Eduardo Mayoral <emayoral(a)arsys.es&gt; > wrote: > > For HA you will need some kind of storage available to all the > > compute nodes in the cluster. If you have no external storage and > > few nodes, I think your best option for storage is gluster , and > > the minimum number of nodes you will need for HA is 3 (the third > > gluster node can be metadata-only, but you still need that third > > node to give you quorum, avoid split-brains and have something that > > you can call "HA" with a straight face. > > Eduardo Mayoral Jimeno (emayoral(a)arsys.es) > > Administrador de sistemas. Departamento de Plataformas. Arsys > > internet. > > +34 941 620 145 ext. 5153 > > On 03/11/17 08:10, Artem Tambovskiy wrote: > > > Looking for a design advise on oVirt provisioning. I'm running a > > > PoC lab on single bare-metal host (suddenly it was setup with > > > just Local Storage domain) and > > > no I'd like to rebuild the setup by making a cluster of 2 > > > physical servers, no external storage array available. That are > > > the options here? is there any options to build cheap HA cluster > > > with just 2 servers? > > > > > > Thanks in advance! > > > > > > Artem > > > > > > > > > _______________________________________________ > > > 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