[ovirt-users] Dedicated NICs for gluster network

[Nathanaël Blanchet]

Hello Nicolas,

Did you have a look to this : 
http://www.ovirt.org/Features/Select_Network_For_Gluster ?
But it is only available from >=3.6...

Le 27/11/2015 17:02, Nicolas Ecarnot a écrit :
> Hello,
>
> [Here : oVirt 3.5.3, 3 x CentOS 7.0 hosts with replica-3 gluster SD on 
> the hosts].
>
> On the switchs, I have created a dedicated VLAN to isolate the 
> glusterFS traffic, but I'm not using it yet.
> I was thinking of creating a dedicated IP for each node's gluster NIC, 
> and a DNS record by the way ("my_nodes_name_GL"), but I fear using 
> this hostname or this ip in oVirt GUI host network interface tab, 
> leading oVirt think this is a different host.
>
> Not being sure this fear is clearly described, let's say :
> - On each node, I create a second ip+(dns record in the soa) used by 
> gluster, plugged on the correct VLAN
> - in oVirt gui, in the host network setting tab, the interface will be 
> seen, with its ip, but reverse-dns-related to a different hostname.
> Here, I fear oVirt might check this reverse DNS and declare this NIC 
> belongs to another host.
>
> I would also prefer not use a reverse pointing to the name of the host 
> management ip, as this is evil and I'm a good guy.
>
> On your side, how do you cope with a dedicated storage network in case 
> of storage+compute mixed hosts?
>

-- 
Nathanaël Blanchet

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