Hi,
Thanks so far for the suggestions.
We have enabled the balancer first to make sure PG distribution is more
optimal. After a few additions/replacements and data growth it was not optimal.
We enabled upmap as this was suggested to be better than the default setting.
To limit simultaneous
On 2/7/22 12:34 PM, Alexander E. Patrakov wrote:
пн, 7 февр. 2022 г. в 17:30, Robert Sander :
And keep in mind that when PGs are increased that you also may need to
increase the number of OSDs as one OSD should carry a max of around 200
PGs. But I do not know if that is still the case with
пн, 7 февр. 2022 г. в 17:30, Robert Sander :
> And keep in mind that when PGs are increased that you also may need to
> increase the number of OSDs as one OSD should carry a max of around 200
> PGs. But I do not know if that is still the case with current Ceph versions.
This is just the default
> On 02/07/2022 1:51 PM Maarten van Ingen wrote:
> One more thing -- how many PGs do you have per OSD right now for the nvme and
> hdd roots?
> Can you share the output of `ceph osd df tree` ?
>
> >> This is only 1347 lines of text, you sure you want that :-) On a summary
> >> for HDD we have
st look at
> the above output.
> Before taking any steps I was wondering what the best course of action is. As
> it's just a few pools affected, doing a manual increase would be and option
> for me as well, if recommended.
>
> As you can see one pool is basically lacking pg's whil
Hi Robert,
Am 07.02.22 um 13:15 schrieb Maarten van Ingen:
> As it's just a few pools affected, doing a manual increase would be and
> option for me as well, if recommended.
>
> As you can see one pool is basically lacking pg's while the others are mostly
> increasing due to the much higher
ould be and option
> for me as well, if recommended.
>
> As you can see one pool is basically lacking pg's while the others are mostly
> increasing due to the much higher target_bytes compared to the current usage.
>
>
> Van: Dan van der Ster
> Verzonden: ma
Am 07.02.22 um 13:15 schrieb Maarten van Ingen:
As it's just a few pools affected, doing a manual increase would be and option
for me as well, if recommended.
As you can see one pool is basically lacking pg's while the others are mostly
increasing due to the much higher target_bytes compared
compared to the current usage.
Van: Dan van der Ster
Verzonden: maandag 7 februari 2022 12:53
Aan: Maarten van Ingen; ceph-users
Onderwerp: Re: [ceph-users] Advice on enabling autoscaler
Dear Maarten,
For a cluster that size, I would not immediately
Dear Maarten,
For a cluster that size, I would not immediately enable the autoscaler but
first enabled it in "warn" mode to sanity check what it would plan to do:
# ceph osd pool set pg_autoscale_mode warn
Please share the output of "ceph osd pool autoscale-status" so we can help
guide what
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