[sheepdog-users] Sheepdog 0.9 missing live migration feature

Hitoshi Mitake mitake.hitoshi at gmail.com
Mon May 11 12:52:21 CEST 2015

Hi Walid,

On Mon, May 11, 2015 at 7:08 PM, Walid Moghrabi
<walid.moghrabi at lezard-visuel.com> wrote:
> Hi,
> Thanks for your information but I'm now building a whole new production cluster and I really need Live Migration to work.
> You said you'll backport the locking patch so that it would re-enable live migration but the ProxMox "pve-sheepdog" package maintainer (packaged Sheepdog for the ProxMox distribution) didn't find the commit in the 0.9-stable branch.
> I'd like to base my setup on Sheepdog as I really dislike Ceph for many reasons and this is the only no go point right now.
> Would it be possible to push that commit and build a "0.9.2" ?
> That would be great.

Sorry for keeping you waiting. I'll backport the patch tonight.

> Many thanks in advance for your help.
> I'd be happy to provide tests, benchmarks and whatever useful information you might want from this setup (I'll try to enable as much features as I can on this 9 nodes setup such ass SSD journaling, SSD object caching, multi-devices, Erasure Code, dedicated replication network, ...)

Thanks a lot for your help. But I need to say that journaling and
object cache are unstable features. Please don't use them in


> Best regards.
> ----- Mail original -----
> De: "Liu Yuan" <namei.unix at gmail.com>
> À: "Walid Moghrabi" <walid.moghrabi at lezard-visuel.com>
> Cc: "Hitoshi Mitake" <mitake.hitoshi at gmail.com>, "sheepdog-users" <sheepdog-users at lists.wpkg.org>
> Envoyé: Vendredi 6 Mars 2015 04:33:22
> Objet: Re: [sheepdog-users] Sheepdog 0.9 missing live migration feature
> On Thu, Mar 05, 2015 at 06:21:02PM +0100, Walid Moghrabi wrote:
>> > Sorry for your inconvenience, Walid. I'll backport it to stable-0.9 later.
>> Thank you for your kindness, don't worry, I'm not blaming anyone for this, I was just sad that this great feature was not available anymore but I'm happy to see there are plans to get it back again.
>> Just a question : I rebuilt my cluster completely when upgrading to 0.9, once this patch is backported to the 0.9 branch, will I have to re-format again or will it be compatible as is ?
> I'm afraid you have re-format the cluster.
> Yuan

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