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Re: [Qemu-devel] Live migration - exec: support to be reintroduced?
From: |
Daniel P. Berrange |
Subject: |
Re: [Qemu-devel] Live migration - exec: support to be reintroduced? |
Date: |
Wed, 5 Nov 2008 10:05:54 +0000 |
User-agent: |
Mutt/1.4.1i |
On Tue, Nov 04, 2008 at 11:38:31PM -0600, Anthony Liguori wrote:
> Charles Duffy wrote:
> >Howdy.
> >
> >KVM's live migration support used to support an exec: protoco,
> >allowing either a completely arbitrary transport or a mechanism for
> >storing system state to a separate file for later resurrection, being
> >used in the latter by libvirt's qemu driver. I notice that this
> >support no longer exists in the current codebase.
> >Would a patch reimplementing this support be welcome?
>
> Absolutely. I wasn't aware that libvirt used the exec: protocol. I'm
> somewhat surprised by that. What did it use it for?
We used it to implement save-to-file, exec'ing 'dd'. I'd rather prefer
that we had a more explicit 'migrate to a file' capability rather than
the hack of execing dd.
Daniel
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- [Qemu-devel] Live migration - exec: support to be reintroduced?, Charles Duffy, 2008/11/04
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Anthony Liguori, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Chris Lalancette, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Anthony Liguori, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Daniel P. Berrange, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Jamie Lokier, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Anthony Liguori, 2008/11/05
- [Qemu-devel] Re: Live migration - exec: support to be reintroduced?, Charles Duffy, 2008/11/05
- [Qemu-devel] Re: Live migration - exec: support to be reintroduced?, Charles Duffy, 2008/11/05
- Re: [Qemu-devel] Re: Live migration - exec: support to be reintroduced?, Anthony Liguori, 2008/11/05
Re: [Qemu-devel] Live migration - exec: support to be reintroduced?,
Daniel P. Berrange <=
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Avi Kivity, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Anthony Liguori, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Daniel P. Berrange, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Anthony Liguori, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Daniel P. Berrange, 2008/11/05
- Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Anthony Liguori, 2008/11/05
Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Avi Kivity, 2008/11/05
Re: [Qemu-devel] Live migration - exec: support to be reintroduced?, Avi Kivity, 2008/11/05
[Qemu-devel] [PATCH] Re: Live migration - exec: support to be reintroduced?, Charles Duffy, 2008/11/06