live migration

live migration

[digvijay chauhan]

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Hello,
        I am a post graduate student.I want to do research in live
migration of virtual machine using Xen.So i need help ,as to what can I do
in this area.How can I optimize the precopy algorithm and how. Orelse what
can I do so that live migration of vm occurs with good performance?


Hoping for favorable reply.

regards,
DigvijaySingh

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Live migration

[Faizul Bari]

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Hi,

I am new to xen development. I am trying to add a feature to the live
migration process. Instead of depending on the expected downtime and
transfer rate, I want to be able to manually trigger the stop-copy phase of
a live migration.

I am totally lost in the code. Can someone please point me where I should
start looking to implement this feature.

--
Faiz

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Re: Live migration

[Olaf Hering]

On Thu, Jan 23, Faizul Bari wrote:

> I am new to xen development. I am trying to add a feature to the live migration
> process. Instead of depending on the expected downtime and transfer rate, I
> want to be able to manually trigger the stop-copy phase of a live migration.
> 
> I am totally lost in the code. Can someone please point me where I should start
> looking to implement this feature.

Have a look at this series of changes:

http://lists.xen.org/archives/html/xen-devel/2013-03/msg02549.html


Olaf

live migration

[攀刘]

Hi All,

I am working on live migration for some images(migrate images from one
pool of one cluster, to a new pool in "another" cluster).

Do you have any experience or suggestion on how to do it?

Thanks
Pan

Re: live migration

[Peter Maloney]

On 05/22/17 13:36, 攀刘 wrote:
> Hi All,
>
> I am working on live migration for some images(migrate images from one
> pool of one cluster, to a new pool in "another" cluster).
>
> Do you have any experience or suggestion on how to do it?
Proxmox VE can use the qemu feature "move_disk" to do this. If you are
also using qemu-kvm, you could also do that from the qemu monitor. It
lets you move a disk to another storage place (eg. from NFS to ceph
librbd and back which I tested) without restarting the VM.

>
> Thanks
> Pan
> --

Re: live migration

[Alexandre DERUMIER]

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----- Mail original -----
De: "攀刘" <liupan1111@gmail.com>
À: "ceph-devel" <ceph-devel@vger.kernel.org>
Envoyé: Lundi 22 Mai 2017 13:36:35
Objet: live migration

Hi All, 

I am working on live migration for some images(migrate images from one 
pool of one cluster, to a new pool in "another" cluster). 

Do you have any experience or suggestion on how to do it? 

Thanks 
Pan 
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Re: live migration

[攀刘]

Hi Peter and All,

Thanks for reply.

But I am not using qemu-kvm, the use model is: there are many docker
containers built on top of nbds. Each nbd is mapped to an image by
using rbd-nbd map.

2017-05-22 19:54 GMT+08:00 Peter Maloney <peter.maloney@brockmann-consult.de>:
> On 05/22/17 13:36, 攀刘 wrote:
>> Hi All,
>>
>> I am working on live migration for some images(migrate images from one
>> pool of one cluster, to a new pool in "another" cluster).
>>
>> Do you have any experience or suggestion on how to do it?
> Proxmox VE can use the qemu feature "move_disk" to do this. If you are
> also using qemu-kvm, you could also do that from the qemu monitor. It
> lets you move a disk to another storage place (eg. from NFS to ceph
> librbd and back which I tested) without restarting the VM.
>
>>
>> Thanks
>> Pan
>> --
>