[Users] SPM and VM migrations

[Christian Kolquist]

I currently have an issue where when we migrate more than one VM from the
host that is the SPM to another host it will cause connectivity to the SPM
Host to fail which the ovirt engine then sees the host being down.  It then
reboots the SPM Host and stops all of the VM's running on there.


Our setup

Nodes: Fedora 18
em1: ovirtmgmt (mgmt, storage and migrations)
em2: VM network trunks

Engine: Fedora 17 (will be upgrading that to fedora 18 shortly)

Both NICS are 1 GB.  The storage is NFS which is on the same VLAN and
subnet as the hosts.  The ovirt-engine is on a standalone server but is NOT
on the same vlan/subnet yet.

Is this normal behavior for the SPM to have issue when migrating hosts to
and from it?  I don't have any further network interfaces to add to the
hosts at this time (we are planning on adding a 2x 10GB card to each node
in the future but we don't have that option at this time).  Is there anyway
to limit the number of active migrations and have the migrations be a lower
priority traffic than others?


Thanks
Christian

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