Re: Natutilus - not unmapping

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Hi Mattias
 
thanks for the info
 
All OSDs active and clean
 
With help we found it is related to this we think:
https://tracker.ceph.com/issues/48946
 
osd_committed is better now
I'm not sure that it is fixed so are watching closely
 
currently
 ceph report |grep "osdmap_.*_committed"
report 3319096257
    "osdmap_first_committed": 303919,
    "osdmap_last_committed": 304671,
 
Thanks Joe
 
 
 
 
 


>>> Matthias Grandl <matthias.grandl@xxxxxxxx> 5/6/2021 10:39 PM >>>
Hi Joe,

are all PGs active+clean? If not, you will only get osdmap pruning, which
will try to keep only every 10th osdmap.
https://docs.ceph.com/en/latest/dev/mon-osdmap-prune/

If you have remapped PGs and need to urgently get rid of osdmaps, you can
try the upmap-remapped script to get to a pseudo clean state.

https://github.com/HeinleinSupport/cern-ceph-scripts/blob/master/tools/upmap/upmap-remapped.py


Matthias Grandl
Head of UX

croit GmbH, Freseniusstr. 31h, 81247 Munich
CEO: Martin Verges - VAT-ID: DE310638492
Com. register: Amtsgericht Munich HRB 231263

Web: https://croit.io

On Fri, May 7, 2021, 02:16 Joe Comeau <Joe.Comeau@xxxxxxxxxx> wrote:

>
> Nautilus cluster is not unmapping
>
> ceph 14.2.16
>
> ceph report |grep "osdmap_.*_committed"
> report 1175349142
>	 "osdmap_first_committed": 285562,
>	 "osdmap_last_committed": 304247,
> we've set osd_map_cache_size = 20000
> but its is slowly growing to that difference as well
>
> OSD map first committed is not changing for some strange reason
>
> Cluster has been around and upgraded since either firefly or jewel
>
> I have seen a few other with this problem to no solution to it
> Any suggestions ?
>
>
> Thanks Joe
>
>
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