Re: Is it possible to change the pg number after adding new osds?

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On Mon, 2 Sep 2013, Da Chun Ng wrote:
> According to the doc, the pg numbers should be enlarged for better
> read/write balance if the osd number is increased.But seems the pg number
> cannot be changed on the fly. It's fixed when the pool is created. Am I
> right?

It can be increased with

 ceph osd pool set <name> pg_num <num>
 ceph osd pool set <name> pgp_num <num>


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