You can enable the pg-autoscaler. It does the work for you and optimizes the number of placement groups on a given pool.
The pg-autoscaler was introduced with nautilus and we ran it for a while without any problems. Here is an explanation of how to enable and how to use the autoscaler: https://ceph.io/rados/new-in-nautilus-pg-merging-and-autotuning/ Best regards, Marco Am Fr., 27. Nov. 2020 um 17:37 Uhr schrieb Jean-Daniel TISSOT <[email protected]>: > > Hi, > > I have another problem > > root@dmz-pve1:~ # ceph health HEALTH_WARN 1 pools have too many > placement groups root@dmz-pve1:~ # pveceph pool ls > ┌───────────────────────┬──────┬──────────┬────────┬───────────────────┬─────────────────┬──────────────────────┬──────────────┐ > │ Name │ Size │ Min Size │ PG Num │ PG Autoscale Mode │ > Crush Rule Name │ %-Used │ Used │ > ╞═══════════════════════╪══════╪══════════╪════════╪═══════════════════╪═════════════════╪══════════════════════╪══════════════╡ > │ device_health_metrics │ 3 │ 2 │ 1 │ on │ > replicated_rule │ 4.19273845864154e-07 │ 4534827 │ > ├───────────────────────┼──────┼──────────┼────────┼───────────────────┼─────────────────┼──────────────────────┼──────────────┤ > │ rbd │ 3 │ 2 │ 128 │ warn │ > replicated_rule │ 0.0116069903597236 │ 127014329075 │ > └───────────────────────┴──────┴──────────┴────────┴───────────────────┴─────────────────┴──────────────────────┴──────────────┘ > > > In the GUI : > > 1 pools have too many placement groups Pool rbd has 128 placement > groups, should have 32 > > I don't find any way to reduce placement groups tu 32 > > Any help welcome. > > Best regards, > > Le 27/11/2020 à 14:07, Lindsay Mathieson a écrit : > > On 27/11/2020 9:47 pm, Jean-Luc Oms wrote: > >> Upgrading to last Proxmox VE / Ceph nautilus from the last 6.2 proxmox > >> VE seems to introduce a python 2/3 version problem, dashboard healt > >> stops working. > > > > Was just about to report that :) > > > > > > Same here. > > > -- > Bien cordialement, > Jean-Daniel Tissot - IE CNRS http://chrono-environnement.univ-fcomte.fr > UMR 6249 - Laboratoire Chrono-environnement UMR CNRS-UFC > Université de Franche-Comté, 16 route de Gray, 25030 Besançon Cedex, FRANCE > [email protected] tel:+33 3 81 666 440 > > _______________________________________________ > pve-user mailing list > [email protected] > https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user _______________________________________________ pve-user mailing list [email protected] https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user
