Re: Pool Max Avail and Ceph Dashboard Pool Useage on Nautilus giving different percentages

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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" <david@xxxxxxxxxxx>:
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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