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Re: [Qemu-devel] invoking monitor command without Ctrl+Alt+2

From: Eric Blake
Subject: Re: [Qemu-devel] invoking monitor command without Ctrl+Alt+2
Date: Thu, 12 Jul 2012 13:30:29 -0600
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On 07/12/2012 01:17 PM, siddharth srivastava wrote:
> Hi
> I am working on a virtualization project for which I am using
> Qemu(0.13) + KVM.

That's rather old; we're now at 1.1, and there have been some migration
bugs fixed in the meantime.

>I am trying to get an automated switch to live
> migration based on certain condition.
> According to [1], it is possible to start migration via Qemu Monitor.
> Since I am trying to invoke this via C code, is it possible to do so ?

Yes.  See libvirt if you want an example of C code that starts a
migration via the monitor.

> Also is it possible to save ram snapshot without stopping the VM from
> the code (probably by reusing some qemu code ?) Any pointers would
> also be helpful.

Again, you may be better served by reusing what libvirt already supports
on this front.

Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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