Re: [ovirt-devel] [ovirt-users] [Feature review] Select network to be used for glusterfs

On Mon, Jan 12, 2015 at 02:59:50PM +0200, Lior Vernia wrote: > > On 12/01/15 14:44, Oved Ourfali wrote: >> Hi Sahina, >> >> Some comments: >> >> 1. As far as I understand, you might not have an IP available immediately after setupNetworks runs (getCapabilities should run, but it isn't run automatically, afair). >> 2. Perhaps you should pass not the IP but the name of the network? IPs might change. > Actually, IP address can indeed change - which would be very bad for > gluster functioning! I think moving networks or changing their IP > addresses via Setup Networks should be blocked if they're used by > gluster bricks. In the suggested feature, there is no real storage "role". The "storage role" title means only "default value for glusterfs IP". For example, once a brick was created, nothing protects the admin from accidently removing the storage network, or changing its IP address. Another "proof" that this is not a real "role", is that it affects only GUI: I am guessing that REST API would not make use of it at all. (maybe I'm wrong; for sure, REST must be defined in the feature page)

Maybe that's the behavior we want. But alternatively, Engine can enforce a stronger linkage between the brick to the network that it uses. When adding a brick, the dialog would list available networks instead of the specific IP. As long as the brick is being used, the admin would be blocked/warned against deleting the network.

I'm missing a discussion regarding the upgrade path. If we would opt to requiring a single storage role network in a cluster, in an upgraded cluster the management network should take this role.

>> 3. Adding to "2", perhaps using DNS names is a more valid approach? >> 4. You're using the terminology "role", but it might be confusing, as we have "roles" with regards to permissions. Consider changing "storage usage" and not "storage role" in the feature page. > Well, we've already been using this terminology for a while now > concerning display/migration roles for networks... That's probably the > terminology to use. > >> Thanks, >> Oved >> >> ----- Original Message ----- >>> From: "Sahina Bose" <sabose(a)redhat.com&gt; >>> To: devel(a)ovirt.org, "users" <users(a)ovirt.org&gt; >>> Sent: Monday, January 12, 2015 2:00:16 PM >>> Subject: [ovirt-users] [Feature review] Select network to be used for glusterfs >>> >>> Hi all, >>> >>> Please review the feature page for this proposed solution and provide >>> your inputs - http://www.ovirt.org/Features/Select_Network_For_Gluster >>> >>> thanks >>> sahina _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users