Bug #43555: raw usage is far from total pool usage - RADOS - Ceph

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Bug #43555

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raw usage is far from total pool usage

Added by liang sibin over 4 years ago. Updated almost 4 years ago.

Status:

New

Priority:

Normal

Assignee:

Category:

Target version:

% Done:

Source:

Tags:

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

Ceph - v13.2.5

ceph-qa-suite:

Component(RADOS):

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

ceph -v
ceph version 13.2.5 (cbff874f9007f1869bfd3821b7e33b2a6ffd4988) mimic (stable)

pool 16 'rbd_ec' erasure size 8 min_size 7 crush_rule 1 object_hash rjenkins pg_num 8192 pgp_num 8192 last_change 15034 flags hashpspool,ec_overwrites,nearfull,selfmanaged_snaps stripe_width 24576 application rbd
pool 17 'rbd' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 5081 flags hashpspool stripe_width 0 application rbd
pool 18 'rbd_ec2' erasure size 8 min_size 7 crush_rule 2 object_hash rjenkins pg_num 8192 pgp_num 8192 last_change 17026 flags hashpspool,full,ec_overwrites,selfmanaged_snaps stripe_width 24576 application rbd
pool 19 'rbd2' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 5133 flags hashpspool stripe_width 0 application rbd

ceph df
GLOBAL:
    SIZE        AVAIL       RAW USED     %RAW USED 
    9.2 PiB     784 TiB      8.5 PiB         91.69 
POOLS:
    NAME                                         ID     USED        %USED      MAX AVAIL     OBJECTS   
    rbd_ec                                       16     1.4 PiB      91.26       134 TiB     367754658 
    rbd                                          17     378 MiB          0       8.4 TiB          2269 
    rbd_ec2                                      18     1.5 PiB     100.00           0 B     405964588

total pool usage is not equal to raw usage ? how to release raw used space?