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Re: [virt-tools-list] KVM Live Migration



Mike Hall <MHall    > writes:

> 
> > We use the same basic software here.  The only difference being that we
> > use iscsi targets for each VM, instead of one big iscsi pool, or NFS.
> 
> We've successfully tested iSCSI as storage as well, and may use it for data
storage.
> Our understanding is that live migration of guests is better on NFS than iSCSI.
> 
> > Our live migrates of all types of Linux hosts seem to work well.
> 
> That's good to hear. Either we're doing something wrong our our test host
hardware is incompatible.
> 
> > One issue with Windows is that APIC events are not handled at all unless
> > a user is logged in.
> > So for windows, test your live migrate with a user logged in, and see if
> > it processes the pause event properly.
> 
> Just tried migrating with user logged in - still arrived on new host in
unclean-shutdown-reboot state.
> 
> Will try experimenting with noapic boot parameters and similar.
> 
> Thanks
> 
> 

Hi,

I've been having the same problem you've been speaking about, and I was
wondering if there is any continuation... did you find how to live migrate
without soffering the reboot in the new host?

In my case, it seems the migration works ok appart of the reboot. I cannot
migrate back, but I belive it is normal.

Thanks!




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