Hi,

Somehow this output always made me confused. Can you confirm my calculation is 
good here?

I have this output:

--- RAW STORAGE ---
CLASS     SIZE    AVAIL     USED  RAW USED  %RAW USED
nvme    89 TiB   82 TiB  6.6 TiB   6.6 TiB       7.43
rbd     31 TiB   16 TiB   16 TiB    16 TiB      49.52
ssd    2.3 PiB  1.0 PiB  1.2 PiB   1.2 PiB      54.14
TOTAL  2.4 PiB  1.1 PiB  1.2 PiB   1.2 PiB      52.36

SSD: ec 4:2
rbd: repl 3

I want to know the stored data, which means the user side data. In ceph in EC 
4:2 a 100MB object is stored on 150MB.

In case of ssd, I want to know the used 1.2PiB means how much real user data?
For me 1.2PiB used SSD means ~903TB user data on ec 4:2.

In case of rbd, ~6TB.

Am I correct?

Ty

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