Thank you Janne,
I will give upmap a shot. Need to try it first in some non-prod
cluster. Non-prod clusters are doing much better for me even though
they have a lot fewer OSDs..
Thanks everyone!
On Tue, May 25, 2021 at 12:48 AM Janne Johansson wrote:
>
> I would suggest enabling the upmap balancer if you haven't done that,
> it should help even data out. Even if it would not do better than some
> manual rebalancing scheme, it will at least do it nicely in the
> background some 8 PGs at a time so it doesn't impact client traffic.
>
> I looks very weird to have such uneven distribution even while having
> lots of PGs (which was my first guess =)
>
> Den tis 25 maj 2021 kl 03:47 skrev Sergei Genchev :
> >
> > Hello,
> > I am running a nautilus cluster with 5 OSD nodes/90 disks that is
> > exclusively used for S3. My disks are identical, but utilization
> > ranges from 9% to 82%, and I am starting to get backfill_toofull
> > errors even though I have only used 150TB out of 650TB of data.
> > - Other than manually crush reweighting OSDs, is there any other
> > option for me ?
> > - what would cause this uneven distribution? Is there some
> > documentation on how to track down what's going on?
> > output of 'ceph osd df" is at https://pastebin.com/17HWFR12
> > Thank you!
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>
>
> --
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