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pveceph: Reducing number of PGs is possible

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From Ceph Nautilus onwards reducing the number of placement groups is possible.

Signed-off-by: Dominic Jäger <d.jaeger@proxmox.com>
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Dominic Jäger 2020-02-27 10:55:33 +01:00 committed by Thomas Lamprecht
parent 31df4fee04
commit fc59c6d3d4
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@ -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