> I would like to change the crush rule so data lands on ssd instead of hdd,
> can this be done on the fly and migration will just happen or do I need to
> do something to move data?

I would actually like to relocate my object store to a new storage tier.
Is the best to:

1) create new pool on storage tier (SSD)
2) stop activity
3) rados cppool data to the new one.
4) rename the pool back into the "default.rgw.buckets.data" pool.

Done?

Thanks.
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