Re: EC and rbd-mirroring

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On Wed, Aug 18, 2021 at 12:40 PM Torkil Svensgaard <torkil@xxxxxxxx> wrote:
>
> Hi
>
> I am looking at one way mirroring from cluster A to B cluster B.
>
> As pr [1] I have configured two pools for RBD on cluster B:
>
> 1) Pool rbd_data using default EC 2+2
> 2) Pool rbd using replica 2
>
> I have a peer relationship set up so when I enable mirroring on an image
> in cluster A it will be replicated to cluster B but it will put both
> data and metadata in the rbd pool.
>
> How do I get the rbd-mirror daemon to use rbd_data for data and rbd for
> metadata only?
>
> Thanks,
>
> Torkil
>
> [1]
> https://docs.ceph.com/en/latest/rados/operations/erasure-code/#erasure-coding-with-overwrites

Hi Torkil,

This is covered here:

https://docs.ceph.com/en/latest/rbd/rbd-mirroring/#data-pools

Thanks,

                Ilya
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