From: Charles Duffy <Charles_Duffy@messageone.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: Live migration - exec: support to be reintroduced?
Date: Wed, 05 Nov 2008 12:55:14 -0600 [thread overview]
Message-ID: <gesq6i$log$1@ger.gmane.org> (raw)
In-Reply-To: <4911B7D2.2050304@codemonkey.ws>
Anthony Liguori wrote:
> Daniel P. Berrange wrote:
>> This isn't for snapshotting, so checkpointing of storage is unneccessary.
>> This is just straight save+restore, akin to hibernate-to-disk for a
>> physical machine.
>
> This is a fundamentally broken concept. You cannot just save the
> guest's memory state without saving the current state of the storage.
Oh -- let me follow up on how this works in libvirt:
The "save" and "restore" commands shut down and start the VM when
invoked; consequently, no storage changes are made while the VM is down.
Restoring more than once off the same "save" is not an intended use case.
next prev parent reply other threads:[~2008-11-05 18:55 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-05 0:40 [Qemu-devel] Live migration - exec: support to be reintroduced? Charles Duffy
2008-11-05 5:38 ` Anthony Liguori
2008-11-05 7:54 ` Chris Lalancette
2008-11-05 14:09 ` Anthony Liguori
2008-11-05 14:19 ` Daniel P. Berrange
2008-11-05 14:52 ` Jamie Lokier
2008-11-05 15:12 ` Anthony Liguori
2008-11-05 18:10 ` [Qemu-devel] " Charles Duffy
2008-11-05 18:55 ` Charles Duffy [this message]
2008-11-05 19:10 ` Anthony Liguori
2008-11-05 10:05 ` [Qemu-devel] " Daniel P. Berrange
2008-11-05 13:03 ` Avi Kivity
2008-11-05 14:14 ` Anthony Liguori
2008-11-05 14:37 ` Daniel P. Berrange
2008-11-05 15:19 ` Anthony Liguori
2008-11-05 17:23 ` Daniel P. Berrange
2008-11-05 17:30 ` Anthony Liguori
2008-11-05 18:13 ` Avi Kivity
2008-11-05 18:10 ` Avi Kivity
2008-11-07 1:54 ` [Qemu-devel] [PATCH] " Charles Duffy
2008-11-07 18:49 ` [Qemu-devel] Re: [PATCH] Re: Live migration - exec: support to be reintroduced? (r2) Charles Duffy
2008-11-11 16:41 ` Charles Duffy
2008-11-11 16:46 ` Anthony Liguori
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