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- Red Hat Enterprise Linux
After applying RHSA-2011:1401-1 all Xen DomUs are dead due to (yet to be resolved) network issues.
I use bridging with two interfaces - so xenbr0 and xenbr1 - after update no xenbr0 and no bootable DomUs. First DomU appears as migrating-XXXXX (where XXXXX is the DomU name) and then, after a long pause, login prompt and (maybe) the migrating DomU with missing interfaces and no other DomUs.
ifconfig shows xenbr1 and no xenbr0.
(2) Any suggestions for escaping?
===== Update =====
If you have cloned the network-bridge script when implementing a multi-bridge environment (as described in various texts) then this seems to be the root cause. Copy the post update network-bridge script to be the cloned version and life seems to get better,
So how do you extend the virtual networking environment in a safe (update invulnerable) way?