Re: Pool on limited number of OSDs

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Ok, I found an issue

I changed a class when OSD was reweighted then weight for this OSD in this
class was different that default (current) one
And yes - significantly different size caused this problem with degraded
and undersized

Thanks Janne and Wido for help

Jacek

śr., 19 lut 2020 o 10:00 Jacek Suchenia <jacek.suchenia@xxxxxxxxx>
napisał(a):

> Janne
>
> Thanks for good spot however all of them are 3.53830, that change was left
> after some tests to kick CRUSH algorithm
>
> Jacek
>
> śr., 19 lut 2020 o 09:47 Janne Johansson <icepic.dz@xxxxxxxxx> napisał(a):
>
>> Den ons 19 feb. 2020 kl 09:42 skrev Jacek Suchenia <
>> jacek.suchenia@xxxxxxxxx>:
>>
>>> Hello Wido
>>>
>>> Sure, here is a rule:
>>> -15    s3  3.53830                 host kw01sv09.sr1.cr1.lab1~s3
>>>  11    s3  3.53830                     osd.11
>>> -17    s3  3.53830                 host kw01sv10.sr1.cr1.lab1~s3
>>>  10    s3  3.53830                     osd.10
>>> -16    s3  0.01529                 host kw01sv11.sr1.cr1.lab1~s3
>>>   0    s3  0.01529                     osd.0
>>>
>>
>> The sizes seem _very_ uneven? Perhaps it figures it can't place another
>> PG on osd.0 due to its tiny size, and hence can't form a decent replica=3
>> using it, and it can't form one without it either, since you have only
>> those OSDs.
>>
>> --
>> May the most significant bit of your life be positive.
>>
>
>
> --
> Jacek Suchenia
> jacek.suchenia@xxxxxxxxx
>


-- 
Jacek Suchenia
jacek.suchenia@xxxxxxxxx
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