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Re: [Qemu-devel] [ceph-users] qemu + rbd block driver with cache=writeba
From: |
Andrey Korolyov |
Subject: |
Re: [Qemu-devel] [ceph-users] qemu + rbd block driver with cache=writeback, is live migration safe ? |
Date: |
Sat, 12 Apr 2014 22:41:20 +0400 |
Hello,
AFAIK qemu calls bdrv_flush at the end of migration process so this is
absolutely safe. Anyway it`s proven by our production systems very
well too :)
On Sat, Apr 12, 2014 at 7:01 PM, Alexandre DERUMIER <address@hidden> wrote:
> Hello,
>
> I known that qemu live migration with disk with cache=writeback are not safe
> with storage like nfs,iscsi...
>
> Is it also true with rbd ?
>
>
> If yes, it is possible to disable manually writeback online with qmp ?
>
> Best Regards,
>
> Alexandre
> _______________________________________________
> ceph-users mailing list
> address@hidden
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
- [Qemu-devel] qemu + rbd block driver with cache=writeback, is live migration safe ?, Alexandre DERUMIER, 2014/04/12
- Re: [Qemu-devel] [ceph-users] qemu + rbd block driver with cache=writeback, is live migration safe ?,
Andrey Korolyov <=
- Re: [Qemu-devel] qemu + rbd block driver with cache=writeback, is live migration safe ?, Kevin Wolf, 2014/04/15
- Re: [Qemu-devel] qemu + rbd block driver with cache=writeback, is live migration safe ?, Alexandre DERUMIER, 2014/04/18
- Re: [Qemu-devel] [ceph-users] qemu + rbd block driver with cache=writeback, is live migration safe ?, Josh Durgin, 2014/04/18
- Re: [Qemu-devel] [ceph-users] qemu + rbd block driver with cache=writeback, is live migration safe ?, Alexandre DERUMIER, 2014/04/20
- Re: [Qemu-devel] [ceph-users] qemu + rbd block driver with cache=writeback, is live migration safe ?, Kevin Wolf, 2014/04/22
- Re: [Qemu-devel] [ceph-users] qemu + rbd block driver with cache=writeback, is live migration safe ?, Alexandre DERUMIER, 2014/04/24