Re: Migrating a cephfs data pool

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On Fri, Jun 28, 2019 at 8:27 AM Jorge Garcia <jgarcia@xxxxxxxxxxxx> wrote:
>
> This seems to be an issue that gets brought up repeatedly, but I haven't
> seen a definitive answer yet. So, at the risk of repeating a question
> that has already been asked:
>
> How do you migrate a cephfs data pool to a new data pool? The obvious
> case would be somebody that has set up a replicated pool for their
> cephfs data and then wants to convert it to an erasure code pool. Is
> there a simple way to do this, other than creating a whole new ceph
> cluster and copying the data using rsync?

For those interested, there's a ticket [1] to perform file layout
migrations in the MDS in an automated way. Not sure if it'll get done
for Octopus though.

[1] http://tracker.ceph.com/issues/40285

-- 
Patrick Donnelly, Ph.D.
He / Him / His
Senior Software Engineer
Red Hat Sunnyvale, CA
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
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