Re: [Users] Keepalived on oVirt Hosts has engine networking issues
Could you please attach the output of:
"vdsClient -s 0 getVdsCaps"
(Or without the -s, whichever works)
And:
"ip a"
On both hosts?
You seem to have made changes since the documentation on the link you provided, like
separating the management and storage via VLANs on eth0. Any other changes?
Assaf Muller, Cloud Networking Engineer
Red Hat
----- Original Message -----
From: "Andrew Lau" <andrew(a)andrewklau.com>
To: "users" <users(a)ovirt.org>
Sent: Sunday, December 1, 2013 4:55:32 AM
Subject: [Users] Keepalived on oVirt Hosts has engine networking issues
Hi,
I have the scenario where I have gluster and ovirt hosts on the same box, to keep the
gluster volumes highly available incase a box drops I'm using keepalived across the
boxes and using that IP as the means for the storage domain. I documented my setup here in
case anyone needs a little more info
http://www.andrewklau.com/returning-to-glusterized-ovirt-3-3/
However, the engine seems to be picking up the floating IP assigned to keepalived as the
interface and messing with the ovirtmgmt migration network, so migrations are failing as
my floating IP gets assigned to the ovirtmgmt bridge in the engine however it's not
actually there on most hosts (except one) so vdsm seems to report destination same as
source.
I've since created a new vlan interface just for storage to avoid the ovirtmgmt
conflict, but the engine will still pick up the wrong IP on the storage vlan because of
keepalived. This means I can't use the save network feature within the engine as
it'll save the floating ip rather than the one already there. Is this a bug or just
the way it's designed.
eth0.2 -> ovirtmgmt (172.16.0.11) -> management and migration network -> engine
sees, sets and saves 172.16.0.11
eth0.3 -> storagenetwork (172.16.1.11) -> gluster network -> engine sees, sets
and saves 172.16.1.5 (my floating IP)
I hope this makes sense.
p.s. can anyone also confirm, does gluster support multi pathing by default? If I'm
using this keepalived method, am I bottle necking myself to one host?
Thanks,
Andrew
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