Disk usage

[Maxence Sartiaux <contact@xxxxxxx>]

Hello, 

I've a little problem or i don't understand something

A ceph df return me a used total of ~5To but a rbd ls return me some object with a total of ~1.1To where is the other ~4To used ?

$ rbd ls -l

NAME SIZE PARENT FMT PROT LOCK
vm-105-disk-1 51200M 2
vm-105-disk-2 102400M 2
volume-45cde9d2-3a14-4138-b51f-2f3077ebcbb2 51200M 2
volume-45cde9d2-3a14-4138-b51f-2f3077ebcbb2@volume-ddedca3f-82aa-4cae-ae10-91c726bc2f65.clone_snap 51200M 2 yes
volume-75dc06e1-aa27-49aa-9101-333d92e9d291 120G 2
volume-bf5cc58c-4674-4ecc-b434-c814d3ce1f5c 500G 2
volume-ddedca3f-82aa-4cae-ae10-91c726bc2f65 51200M rbd/volume-45cde9d2-3a14-4138-b51f-2f3077ebcbb2@volume-ddedca3f-82aa-4cae-ae10-91c726bc2f65.clone_snap 2
volume-f4fe4023-f80a-4b4d-a232-49787a0e2101 120G 2

TOTAL : 1047.2 Go

$ ceph df

GLOBAL:
SIZE AVAIL RAW USED %RAW USED
37867G 27457G 10409G 27.49
POOLS:
NAME ID USED %USED MAX AVAIL OBJECTS
rbd 1 4630G 12.23 11653G 1196797
ssd 2 546G 1.44 1599G 3212442

$ ceph pg stat

v364130: 3600 pgs: 3599 active+clean, 1 active+clean+scrubbing+deep; 5176 GB data, 10409 GB used, 27457 GB / 37867 GB avail; 68 B/s wr, 0 op/s

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