We have the following test environment:

2 x CentOS 5.5 KVM virtual hosts
2 x CentOS 5.5 network storage boxes with NFS shares on LVs on DRBD 
(primary/secondary, no HA, just replication).

We have installed both CentOS and Win7 guests which live migrate almost 
instantly between hosts using Virt Manager (or virsh migrate). The problem is 
that the guests does not retain their running state after migration, but 
instead arrive on the new host in "reboot after unclean shutdown" state.

The migrated machines also lose IP connectivity (static IP) upon migration to 
new host, but regain it on migration back to original host.

So, live migration in this case isn't producing the expected results (a 
running, usable guest). Same results using "migrate offline" option and pausing 
machines before migration.

Any pointers on what we're doing wrong?
Is there a need for us to implement hook scripts?

Michael Hall
IT Communications Officer
Alice Springs Town Council
mh...@astc.nt.gov.au
(08) 8950 0561

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