Hallo again, to reply to my own message... I guess the easiest will be to setup multisite replication. So now I will fight a bit with this and get back to the list in case of troubles.

  Sorry for the noise...

                        Fulvio

On 06/28/2019 10:36 AM, Fulvio Galeazzi wrote:
Hallo!
  Due to severe maintenance which is going to cause a prolonged shutdown, I need to move my RGW pools to a different cluster (and geographical site): my problem is with default.rgw.buckets.data pool, which is now 100 TB.

Moreover, I'd also like to take advantage of the move to convert from replicated to erasure-coded. Initially I though about rbd-mirror, but then realized it requires setting the journaling flag and I have 33M objects... (and also realized it's called RBD-mirror whereas I have an rgw pool). "rados cppool" is going to be removed, if I understand it correctly? (apart from not being the right tool for my use-case)


What is the best strategy to copy (or rsync/mirror) an object-store pool to a different cluster?

   Thanks for your help!

                 Fulvio




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