Hi all,
I have 20 OSDs and 1 pool, and, as recommended by the doc(http://docs.ceph.com/docs/master/rados/operations/placement-groups/), I configured pg_num and pgp_num to 4096, size 2, min size 1.
But ceph -s shows:
HEALTH_WARN
534 pgs degraded
551 pgs stuck unclean
534 pgs undersized
too many PGs per OSD (382 > max 300)
Why the recommended value, 4096, for 10 ~ 50 OSDs doesn't work? And what does it mean by "too many PGs per OSD (382 > max 300)"? If per OSD has 382 PGs I would have had 7640 PGs.
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