I have observed this in the ceph nautilus dashboard too - and Think it is a 
Display Bug... but sometimes it Shows tue right values


Which nautilus u use?


Am 10. Dezember 2019 14:31:05 MEZ schrieb "David Majchrzak, ODERLAND Webbhotell 
AB" <da...@oderland.se>:
>Hi!
>
>While browsing /#/pool in nautilus ceph dashboard I noticed it said 93%
>used on the single pool we have (3x replica).
>
>ceph df detal however shows 81% used on the pool and 67% raw useage.
>
># ceph df detail
>RAW STORAGE:
>    CLASS     SIZE        AVAIL       USED        RAW USED     %RAW
>USED 
>    ssd       478 TiB     153 TiB     324 TiB      325
>TiB         67.96 
>    TOTAL     478 TiB     153 TiB     324 TiB      325
>TiB         67.96 
> 
>POOLS:
>    POOL            ID     STORED      OBJECTS     USED        %USED   
>  MAX AVAIL     QUOTA OBJECTS     QUOTA BYTES     DIRTY      USED
>COMPR     UNDER COMPR 
>    echo      3     108 TiB      29.49M     324 TiB     81.61        24
>TiB     N/A               N/A             29.49M            0
>B             0 B
>
>
>I know we're looking at the most full OSD (210PGs, 79% used, 1.17 VAR)
>and count max avail from that. But where's the 93% full from in
>dashboard?
>
>My guess is that is comes from calculating: 
>
>1 - Max Avail / (Used + Max avail) = 0.93
>
>
>Kind Regards,
>
>David Majchrzak
>
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