Did you ever adjust mon_max_pool_pg_num? Can you check what your
current config value is?
host1:~ # ceph config get mon mon_max_pool_pg_num
65536
Zitat von Geert Kloosterman <gkloosterman@xxxxxxxxxx>:
Hi,
Thanks Eugen for checking this. I get the same default values as
you when I remove the entries from my ceph.conf:
[root@gjk-ceph ~]# ceph-conf -D | grep default_pg
osd_pool_default_pg_autoscale_mode = on
osd_pool_default_pg_num = 32
osd_pool_default_pgp_num = 0
However, in my case, the pool creation error remains:
[root@gjk-ceph ~]# ceph osd pool create asdf
Error ERANGE: 'pgp_num' must be greater than 0 and lower or equal
than 'pg_num', which in this case is 1
But I can create the pool when passing the same pg_num and pgp_num
values explicity:
[root@gjk-ceph ~]# ceph osd pool create asdf 32 0
pool 'asdf' created
Does anyone have an idea how I can debug this further?
I'm running Ceph on a virtualized Rocky 8.7 test cluster, with Ceph
rpms installed from http://download.ceph.com/rpm-quincy/el8/
Best regards,
Geert Kloosterman
On Wed, 2023-03-15 at 13:42 +0000, Eugen Block wrote:
External email: Use caution opening links or attachments
Hi,
I could not confirm this in a virtual lab cluster, also on 17.2.5:
host1:~ # ceph osd pool create asdf
pool 'asdf' created
host1:~ # ceph-conf -D | grep 'osd_pool_default_pg'
osd_pool_default_pg_autoscale_mode = on
osd_pool_default_pg_num = 32
osd_pool_default_pgp_num = 0
So it looks quite similar except the pgp_num value (I can't remember
having that modified). This is an upgraded Nautilus cluster.
Zitat von Geert Kloosterman <gkloosterman@xxxxxxxxxx>:
> Hi all,
>
> I'm trying out Ceph Quincy (17.2.5) for the first time and I'm
> running into unexpected behavior of "ceph osd pool create".
>
> When not passing any pg_num and pgp_num values, I get the following
> error with Quincy:
>
> [root@gjk-ceph ~]# ceph osd pool create asdf
> Error ERANGE: 'pgp_num' must be greater than 0 and lower or
> equal than 'pg_num', which in this case is 1
>
> I checked with Ceph Pacific (16.2.11) and there the extra arguments
> are not needed.
>
> I expected it would use osd_pool_default_pg_num and
> osd_pool_default_pgp_num as defined in my ceph.conf:
>
> [root@gjk-ceph ~]# ceph-conf -D | grep 'osd_pool_default_pg'
> osd_pool_default_pg_autoscale_mode = on
> osd_pool_default_pg_num = 8
> osd_pool_default_pgp_num = 8
>
> At least, this is what appears to be used with Pacific.
>
> Is this an intended change of behavior? I could not find anything
> related in the release notes.
>
> Best regards,
> Geert Kloosterman
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