Hi, I get an error when I try to increase pgpènum, because the first command doesn't work: #ceph osd pool set Backup pg_num 1024 set pool 6 pg_num to 1024 # ceph osd pool set Backup pgp_num 1024 Error EINVAL: specified pgp_num 1024 > pg_num 64 Than you, Cabeur Le 01/07/2019 à 12:11, Bogdan Adrian Velica a écrit :

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 <cabeur@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.

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