From 9da81b87ca161370c869b49f5d4e6b50edd54a0e Mon Sep 17 00:00:00 2001 From: Zac Dover Date: Mon, 4 Mar 2024 20:41:16 +1000 Subject: [PATCH] doc/rados: link to pg setting commands Link to the instructions for manually setting the number of PGs per pool, from the mention of placement groups. These instructions are included here in response to a request from Ronen Friedman on the occasion of the removal of links to the PGcalc (see https://github.com/ceph/ceph/pull/55899#pullrequestreview-1912940118). Signed-off-by: Zac Dover --- doc/rados/operations/pools.rst | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/doc/rados/operations/pools.rst b/doc/rados/operations/pools.rst index e1770c8087a40..c3fe3b7d82ee6 100644 --- a/doc/rados/operations/pools.rst +++ b/doc/rados/operations/pools.rst @@ -25,7 +25,10 @@ Pools provide: resources. When setting up multiple pools, set an appropriate number of PGs for each pool and for the cluster as a whole. Each PG belongs to a specific pool: when multiple pools use the same OSDs, make sure that the **sum** of PG - replicas per OSD is in the desired PG-per-OSD target range. + replicas per OSD is in the desired PG-per-OSD target range. See :ref:`Setting + the Number of Placement Groups ` for + instructions on how to manually set the number of placement groups per pool + (this procedure works only when the autoscaler is not used). - **CRUSH Rules**: When data is stored in a pool, the placement of the object and its replicas (or chunks, in the case of erasure-coded pools) in your -- 2.39.5