Re: OSD is near full and slow in accessing storage from client

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Hi 

If anybody help on this issue it will be highly appropriated .

Regards
Prabu GJ


---- On Sun, 12 Nov 2017 19:14:02 +0530 Sébastien VIGNERON <sebastien.vigneron@xxxxxxxxx> wrote ----

I’m not an expert either so if someone in the list have some ideas on this problem, don’t be shy, share them with us.

For now, I only have hypothese that the OSD space will be recovered as soon as the recovery process is complete. 
Hope everything will get back in order soon (before reaching 95% or above).

I saw some messages on the list about the fstrim tool which can help reclaim unused free space, but i don’t know if it’s apply to your case.

Cordialement / Best regards,

Sébastien VIGNERON 
CRIANN, 
Ingénieur / Engineer
Technopôle du Madrillet 
745, avenue de l'Université 
76800 Saint-Etienne du Rouvray - France 
tél. +33 2 32 91 42 91 
fax. +33 2 32 91 42 92 

Le 12 nov. 2017 à 13:29, gjprabu <gjprabu@xxxxxxxxxxxx> a écrit :

Hi Sebastien,

    Below is the query details. I am not that much expert and still learning . pg's are not stuck stat before adding osd and pg are slowly clearing stat to active-clean. Today morning there was around 53 active+undersized+degraded+remapped+wait_backfill and now it is 21 only, hope its going on and i am seeing the space keep increasing in newly added OSD (osd.6) 


ID WEIGHT  REWEIGHT SIZE   USE    AVAIL %USE  VAR  PGS
0 3.29749  1.00000  3376G  2814G  562G 83.35 1.23 165  ( Available Spaces not reduced after adding new OSD)
1 3.26869  1.00000  3347G  1923G 1423G 57.48 0.85 152
2 3.27339  1.00000  3351G  1980G 1371G 59.10 0.88 161
3 3.24089  1.00000  3318G  2131G 1187G 64.23 0.95 168
4 3.24089  1.00000  3318G  2998G  319G 90.36 1.34 176  ( Available Spaces not reduced after adding new OSD)
5 3.32669  1.00000  3406G  2476G  930G 72.68 1.08 165  ( Available Spaces not reduced after adding new OSD)
6 3.27800  1.00000  3356G  1518G 1838G 45.24 0.67 166
              TOTAL 23476G 15843G 7632G 67.49         
MIN/MAX VAR: 0.67/1.34  STDDEV: 14.53
...

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