[Xen-users] Cluster xen servers with san storage

[Carl Caum <sleepkreep@xxxxxxxxx>]

Hello all.  I have two servers with Xen running.  I also have  a SAN  
that hold the virtual machines.  I need to know if a few things are  
possible.
1)  I need to know if failover is possible and how is the best way to  
accomplish this?  Is it possible to have one dom0 take snapshots of  
the other dom0 and restore the VMs from the other dom0 if it suddenly  
stops responding?
2)  Is it possible to have a VM do a live migrate to the other server  
automatically if the current server it's running on is being shutdown  
for maintenance.
3)  Is it possible to cluster the two servers so they share CPU power  
and memory resources between the two instances of xen.  So really the  
VMs are arbitrarily run on both servers simultaneously thus  
increasing their speed.  If this is possible, what happens if one of  
the servers suddenly crashes?
Thanks in advance.

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