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Hi Frank,
The images didn't work :)
Pool and osd nearfull are closely related, when OSD's get full your pool also
gets nearfull as Ceph needs to be able to follow the crush rules,
which it can't if one of the OSD's gets full, hence it warns when it gets
nearfull.
I see that you're mixing OSD sizes, deleting and recreating the OSD's one by
one caused this, as the OSD's got new weights you should be OK when you
reweight them.
You can do this by hand or using reweight-by-utilization, what you prefer.
Not quite sure about the pool sizes, but an RBD pool with a 2/3 min/max rule
should never be above 80%, as this gives you a nearfull pool when it starts
backfilling when you lose one node, or even a full pool worst case, rendering
the pool read only.
Kind regards,
David
-----Oorspronkelijk bericht-----
Van: pve-user <pve-user-boun...@lists.proxmox.com> Namens Frank Thommen
Verzonden: Tuesday, September 10, 2024 14:02
Aan: pve-user@lists.proxmox.com
Onderwerp: Re: [PVE-User] [Extern] - Re: "nearfull" status in PVE Dashboard not
consistent
Yes, but Ceph also reports five(!) nearfull pools, but the pool overview
doesn't reflect that. I'd love to show this with CLI, but I could not find an
appropriate command so far. Hopefully, inline images work:
From the Ceph overview dashboard:
And from the pool overview
Two pools are quite full (80% and 82%), but far from nearfull, and the other
tree are basically empty.
Frank
On 09.09.24 12:36, Eneko Lacunza via pve-user wrote:
> Hi Frank,
>
> El 8/9/24 a las 14:17, Frank Thommen escribió:
>> 5 hdd 3.81450 1.00000 3.8 TiB 3.3 TiB 3.1 TiB 37 MiB 8.5 GiB
>> 568 GiB 85.45 1.16 194 up
>> 16 hdd 1.90039 1.00000 1.9 TiB 1.6 TiB 1.6 TiB 19 MiB 5.4
>> GiB 261 GiB 86.59 1.18 93 up
>
> Those OSD are nearfull, if you have the default 0.85 value for that.
> You can try to lower a bit their weight.
>
> Cheers
>
> Eneko Lacunza
> Zuzendari teknikoa | Director técnico
> Binovo IT Human Project
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