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Re: [Qemu-devel] "virsh edit" failed to take effect on KVM
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] "virsh edit" failed to take effect on KVM |
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Date: |
Thu, 09 May 2013 08:11:19 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130402 Thunderbird/17.0.5 |
On 05/09/2013 05:42 AM, Gonglei (Arei) wrote:
> Hi all,
> we use the command "virsh edit" to modify the VM configuration
> information online on KVM Platform(libvirt-1.0.0 and qemu-1.4),
> but it does not take effect after reboot. However, it works fine on Xen
> Platform.
This sort of question belongs best on address@hidden
(libvirt-list-request is not the right list address, and your question
isn't quite relevant to qemu-devel).
> With the changing, the VM is expected to start from cdrom, when execute the
> command "virsh reboot".
'virsh reboot' triggers a software reboot (reusing the same existing
qemu process); but 'virsh edit' only affects what will take place on a
hard boot (creation of a new qemu process).
> But the fact is that the modify does not take effect, the VM is still start
> from hd.
> Well, it will take effect if I use command "virsh shutdown" and "virsh start"
> instesad of "virsh reboot".
Correct, because that sequence spawns a new qemu process.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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