From fc59c6d3d4e3f76e275bb137bfb767585121a27e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dominic=20J=C3=A4ger?= Date: Thu, 27 Feb 2020 10:55:33 +0100 Subject: [PATCH] pveceph: Reducing number of PGs is possible MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From Ceph Nautilus onwards reducing the number of placement groups is possible. Signed-off-by: Dominic Jäger --- pveceph.adoc | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/pveceph.adoc b/pveceph.adoc index 8dc8568..baf0988 100644 --- a/pveceph.adoc +++ b/pveceph.adoc @@ -462,8 +462,9 @@ NOTE: The default number of PGs works for 2-5 disks. Ceph throws a It is advised to calculate the PG number depending on your setup, you can find the formula and the PG calculator footnote:[PG calculator -https://ceph.com/pgcalc/] online. While PGs can be increased later on, they can -never be decreased. +https://ceph.com/pgcalc/] online. From Ceph Nautilus onwards it is possible to +increase and decrease the number of PGs later on footnote:[Placement Groups +https://docs.ceph.com/docs/{ceph_codename}/rados/operations/placement-groups/]. You can create pools through command line or on the GUI on each PVE host under