HI, Always increase the *pg_num *and *pgp_num *... Ex: $ ceph osd pool set rbd pg_num 512 $ ceph osd pool set rbd pgp_num 512 Usually from what I know you can ONLY increase the pg and pgp number... What error do you get ? Thank you, Bogdan On Mon, Jul 1, 2019 at 12:40 PM Sylvain PORTIER &lt;cabeur(a)free.fr <mailto:cabeur@free.fr>> wrote: Hi all, I am using ceph 14.2.1 (Nautilus) I am unable to increase the pg_num of a pool. I have a pool named Backup, the current pg_num is 64 : ceph osd pool get Backup pg_num => result pg_num: 64 And when I try to increase it using the command ceph osd pool set Backup pg_num 512 => result "set pool 6 pg_num to 512" And then I check with the command : ceph osd pool get Backup pg_num => result pg_num: 64 I don't how to increase the pg_num of a pool, I also tried the autoscale module, but it doesn't work (unable to activate the autoscale, always warn mode). Thank you for your help, Cabeur. --- L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast. https://www.avast.com/antivirus _______________________________________________ Ceph-users mailing list -- ceph-users(a)ceph.io <mailto:ceph-users@ceph.io> To unsubscribe send an email to ceph-users-leave(a)ceph.io <mailto:ceph-users-leave@ceph.io>