From: Olaf Hering <olaf@aepfle.de>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: xen-devel@lists.xen.org
Subject: Re: reliable live migration of large and busy guests
Date: Wed, 7 Nov 2012 15:13:02 +0100 [thread overview]
Message-ID: <20121107141302.GA24950@aepfle.de> (raw)
In-Reply-To: <50999ACF.4040106@citrix.com>
On Tue, Nov 06, Andrew Cooper wrote:
> Is there wisdom in having a new kind of live migrate which, when pausing
> the VM on the source host, resumes the VM on the destination host. Xen
> would have to track not-yet-sent pages and pause the guest on pagefault,
> and request the required page as a matter of priority.
On the receiving side all missing pages could be handled as "paged"
(just nominating a missing pfn should be enough). A pager can then
request them from the sender host.
Olaf
prev parent reply other threads:[~2012-11-07 14:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-06 20:28 reliable live migration of large and busy guests Olaf Hering
2012-11-06 20:45 ` Keir Fraser
2012-11-06 22:18 ` Olaf Hering
2012-11-06 23:18 ` Andrew Cooper
2012-11-06 23:41 ` Dan Magenheimer
2012-11-07 13:44 ` Andrew Cooper
2012-11-07 15:10 ` Dan Magenheimer
2012-11-08 10:58 ` George Dunlap
2012-11-12 17:12 ` Dan Magenheimer
2012-11-07 14:13 ` Olaf Hering [this message]
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