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From: Anthony Liguori <anthony@codemonkey.ws>
To: "Daniel P. Berrange" <berrange@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Live migration - exec: support to be reintroduced?
Date: Wed, 05 Nov 2008 09:12:18 -0600	[thread overview]
Message-ID: <4911B7D2.2050304@codemonkey.ws> (raw)
In-Reply-To: <20081105141901.GL25523@redhat.com>

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.

I know this exists in Xen, but no one can use it in a serious manner as 
it could very easily lead to data corruption.

Regards,

Anthony Liguori

  parent reply	other threads:[~2008-11-05 15:12 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 [this message]
2008-11-05 18:10           ` [Qemu-devel] " Charles Duffy
2008-11-05 18:55           ` Charles Duffy
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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