Is it possible to add LiveBlockMigration (qemu) for xen 4.3?

Is it possible to add LiveBlockMigration (qemu) for xen 4.3?

[Bingheng Yan]

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Hi all!

we know qemu-kvm had support the LiveBlockMigration feature already,
so is it possible to add LiveBlockMigration feature for xen 4.3?




Bingheng Yan

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Re: Is it possible to add LiveBlockMigration (qemu) for xen 4.3?

[Pasi Kärkkäinen]

On Mon, Jun 17, 2013 at 03:11:56PM +0800, Bingheng Yan wrote:
>    Hi all!
> 
>    we know qemu-kvm had support the LiveBlockMigration feature already,
>    so is it possible to add LiveBlockMigration feature for xen 4.3?
> 

XAPI toolstack already supports LiveBlockMigration with Xen 4.x.
You can see/try this in XCP 1.6.

-- Pasi

Re: Is it possible to add LiveBlockMigration (qemu) for xen 4.3?

[Bingheng Yan]

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Thank you first!


we use xen based on ourself kernel, so we don't want to change the low layer platform to XCP.

A good way is to port the function of XAPI to the plain XEN package.

So any suggestions? 






Bingheng Yan

From: PasiKärkkäinen
Date: 2013-06-17 16:16
To: Bingheng Yan
CC: xen-devel
Subject: Re: [Xen-devel] Is it possible to add LiveBlockMigration (qemu) for xen 4.3?
On Mon, Jun 17, 2013 at 03:11:56PM +0800, Bingheng Yan wrote:
>    Hi all!
> 
>    we know qemu-kvm had support the LiveBlockMigration feature already,
>    so is it possible to add LiveBlockMigration feature for xen 4.3?
> 

XAPI toolstack already supports LiveBlockMigration with Xen 4.x.
You can see/try this in XCP 1.6.

-- Pasi

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Re: Is it possible to add LiveBlockMigration (qemu) for xen 4.3?

[Ian Campbell]

On Mon, 2013-06-17 at 15:11 +0800, Bingheng Yan wrote:
> we know qemu-kvm had support the LiveBlockMigration feature already,
> so is it possible to add LiveBlockMigration feature for xen 4.3?

Xen 4.3 has been in feature freeze for months and we are nearing -rc5.
The final release is not that far off so there is no way we can add new
features at this point.

This feature (mostly libxl plumbing AFAIR) was being discussed for 4.4
though. Although I can't remember who by. If you are interested in
helping develop the feature I expect that would be most welcome.

Ian.