Dear Eugen
My hero! This resolved this issue - the warnings are now gone.
We did try to restart the mons before, but never thought to restart the
mgrs...
Sincerely
Niklaus Hofer
On 19/06/2025 14.52, Eugen Block wrote:
Default question: have you tried to fail the mgr? ;-)
ceph mgr fail
Zitat von Niklaus Hofer <niklaus.ho...@stepping-stone.ch>:
Dear all
After upgrading to Pacific, we are now getting health warnings from
the auto scaler:
10 pools have too few placement groups
8 pools have too many placement groups
The thing is, I do not particularly care about the recommendations
from the auto scaler. So I checked and saw that it was set to warning
on all pools:
| ceph osd pool autoscale-status
POOL SIZE TARGET SIZE RATE RAW
CAPACITY RATIO TARGET RATIO EFFECTIVE RATIO BIAS PG_NUM NEW
PG_NUM AUTOSCALE BULK openstack-glance 902.7G
3.0 618.2T 0.0043
1.0 128 warn False openstack-cinder
99.48T 3.0 618.2T 0.4827
1.0 2048 warn False
openstack-nova 169.6G 3.0
618.2T 0.0008 1.0 128
warn False [...]
No worries, I just turn it off:
| ceph osd pool set noautoscale
Check it's off:
| ceph osd pool autoscale-status
POOL SIZE TARGET SIZE RATE RAW
CAPACITY RATIO TARGET RATIO EFFECTIVE RATIO BIAS PG_NUM NEW
PG_NUM AUTOSCALE BULK openstack-glance 902.7G
3.0 618.2T 0.0043
1.0 128 off False openstack-cinder
99.48T 3.0 618.2T 0.4827
1.0 2048 off False
openstack-nova 169.6G 3.0
618.2T 0.0008 1.0 128
off False
[...]
That looks as expected. But despite that, I'm still getting the health
warnings:
| ceph --status
[...]
10 pools have too few placement groups
8 pools have too many placement groups
So how can I get rid of the warnings (without changing the number of
PGs on my pools!)?
Sincerely
Niklaus Hofer
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CH-3011 Bern
Telefon: +41 31 332 53 63
www.stepping-stone.ch
niklaus.ho...@stepping-stone.ch
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Wasserwerkgasse 7
CH-3011 Bern
Telefon: +41 31 332 53 63
www.stepping-stone.ch
niklaus.ho...@stepping-stone.ch
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