Re: [ovirt-users] Local Storage

Hi Scott, Thank you for your reply. I indeed scratched my face on the wall due to this approach. However, we are taking care not to mix iscsi shared and local shared LUNs on the same datastore. I understand this is unsupported and discouraged as well but not so tragic? Cheers AG -----Original Message----- From: users-bounces(a)ovirt.org [mailto:users-bounces@ovirt.org] On Behalf Of Scott Worthington Sent: Thursday, May 07, 2015 8:20 PM To: users(a)ovirt.org Subject: Re: [ovirt-users] Local Storage On 5/7/2015 12:11 PM, Andrea Ghelardi wrote: Hello, The major point that needs to be stressed again and again on this mailing list is: At this time, it is best practice to _NEVER_ combine the shared storage onto the cluster hosts. There are MANY many MANY posts from people with down oVirt environments because they combined their shared storage on their hosted cluster (especially gluster storage). They do not fully understand the horrible consequences that will happen when 1) a host cluster node gets fenced, 2) their gluster cluster becomes split-brained because they failed to understand gluster and quorums, or 3) a network connectivity issue of some sort breaks the storage cluster on one (or many) node(s) and then the issue cascades to the other systems bringing the entire shared storage + clustered hosts to a grinding halt. As a consequence, this mailing list gets flooded with pleas for help from a crashed oVirt setup that did not follow best practices. In my opinion, those who combine shared-storage onto the host-nodes need to pull the plug on one of their hosts, and then work through the numerous issues that will result in their hyper-converged configuration. If the SysAdmin does not have that experience of working through all of the problems that result from hyper-converging shared storage on the host nodes, then they certainly need to avoid combing shared storage on the host nodes. Good Luck! --ScottW _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users