On 07/22/2014 04:11 PM, Chad Seys wrote:
Hi All,
   Is it possible to decrease pg_num?  I was able to decrease pgp_num, but when
I try to decrease pg_num I get an error:


No, the pg splitting is supported, so increasing. But merging PGs is not supported yet.

# ceph osd pool set tibs pg_num 1024
specified pg_num 1024 <= current 2048

Thanks!
C.
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