From: Jamie Lokier <jamie@shareable.org>
To: "Daniel P. Berrange" <berrange@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Live migration - exec: support to be reintroduced?
Date: Wed, 5 Nov 2008 14:52:01 +0000 [thread overview]
Message-ID: <20081105145201.GI13630@shareable.org> (raw)
In-Reply-To: <20081105141901.GL25523@redhat.com>
Daniel P. Berrange wrote:
> > However, why is it not just using savevm? Saving the CPU state in the
> > absence of checkpointing storage doesn't make a lot of sense.
>
> 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.
>
> The savevm command only works with qcow files, which is not guarenteed
> to be available in this context.
>
> We do intend to support real snapshotting of VMs at some point, for which
> "savevm" could be useful
Yes, we had a thread a couple of months ago about why "savevm"
snapshotting in qcow2 is not always appropriate or useful.
-- Jamie
next prev parent reply other threads:[~2008-11-05 14:52 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 [this message]
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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20081105145201.GI13630@shareable.org \
--to=jamie@shareable.org \
--cc=berrange@redhat.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).