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From: | Xiongzi Ge |
Subject: | Re: [Qemu-devel] Live Migration with different block devices |
Date: | Tue, 24 Jun 2014 17:26:53 -0400 |
If you want the guest to see different disk contents, then hotunplug theOn 06/24/2014 01:55 PM, Xiongzi Ge wrote:
> Hi Paolo,
>
> I am trying to do migration with two different block devices in the source
> and destination hosts. For example, in the source the data in /dev/vda
> are 'aaaaa'. The guest has a cache. These data are cached. In the other
> host, the data in this device are 'bbbbb'. If we do migration, I want
> the guest vm recognize this change. How does qemu deal with the cache
> data? Thanks.
original and hotplug in the new disk. Migration is NOT supposed to
change disk contents. Your problem is independent of migration.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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