From: Anthony Liguori <anthony@codemonkey.ws>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: Live migration - exec: support to be reintroduced?
Date: Wed, 05 Nov 2008 13:10:08 -0600 [thread overview]
Message-ID: <4911EF90.5000103@codemonkey.ws> (raw)
In-Reply-To: <gesq6i$log$1@ger.gmane.org>
Charles Duffy wrote:
> 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.
I see, that makes more sense then.
Regards,
Anthony Liguori
>
>
next prev parent reply other threads:[~2008-11-05 19:10 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
2008-11-05 19:10 ` Anthony Liguori [this message]
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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