On Wed, Feb 21, 2018, 8:32 PM Alexandre DERUMIER <aderumier@xxxxxxxxx> wrote:
Hi,
if you use qemu, it's also possible to use drive-mirror feature from qemu.
(can mirror and migrate from 1 storage to another storage without downtime).
I don't known if openstack has implemented it, but It's working fine on proxmox.
----- Mail original -----
De: "Anthony D'Atri" <aad@xxxxxxxxxxxxxx>
À: "ceph-users" <ceph-users@xxxxxxxxxxxxxx>
Envoyé: Jeudi 22 Février 2018 01:27:23
Objet: Re: Migrating to new pools
>> I was thinking we might be able to configure/hack rbd mirroring to mirror to
>> a pool on the same cluster but I gather from the OP and your post that this
>> is not really possible?
>
> No, it's not really possible currently and we have no plans to add
> such support since it would not be of any long-term value.
The long-term value would be the ability to migrate volumes from, say, a replicated pool to an an EC pool without extended downtime.
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