[Ovirt-devel] I need oVirt!

Mark Nielsen mnielsen at redhat.com
Tue Mar 11 13:30:36 UTC 2008


Greetings,

I had a chat in #ovirt on freenode and was asked to provide some details
on what I need oVirt to do, and I'm adding what I can offer in way of
helping it get there.

My environment consists of 3 8 nodes clusters. These 8 dom0s are Dell
2950's. They have 2x 2Gb Qlogic FC HBAs to both 3Par and EMC SANs which
are multipathed using dm-multipath. Networking is done through 2 copper
and 2 fiber NICs. The 2 copper are bonded (mode 0, "flat" non-routed
private network for Cluster Suite comms) and the 2 fibers are bonded
(mode 4, VLANs galore, multiple Xen bridges.. up to 10 at this point
with more planned). These 8 nodes are clustered together using Cluster
Suite which is primarily used to run the VMs as services for failover.
GFS is used, but only for a common /etc/xen so the VMs can be started
from any cluster node. The VM storage comes from logical volumes (clvmd
running).

We only have 40 running VMs at this time, but that number is expected to
rise rapidly. I need an simple, accurate, and efficient way to monitor,
deploy, and manage both physical and virtual resources. So far, oVirt is
the only thing I've run across trying to accomplish this task. I would
like to offer as much testing as needed (however, this is a network not
accessible to the outside world) and bug filing as you want. I'm hoping
in exchange some of the features I need could be implemented. I'd love
to write patches myself to help, but sadly, I'm not a coder!

1) I need oVirt to support the fiber channel HBAs to the SAN so I can
continue to use logical volumes for the domUs

2) I'm using RHEL 5.1 and need to make sure oVirt plays well with Xen.

3) My guests are currently services of Cluster Suite, I'm hoping that
oVirt will play well with Cluster Suite as well as Conga...

I think oVirt is what I'm looking for to manage my VMs and hosts, but
please feel free to wave your hand in front of my face and tell me if
this is not the tool I'm looking for.

Mark




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