ceph status usage doesn't match bucket totals

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I have a ceph cluster that shows a different space utilization in its status screen than in its bucket stats. When I copy the contents of this cluster to a different ceph cluster, the bucket stats totals are as expected and match the bucket stats totals.

output of "ceph -s" on the first ceph cluster:

  cluster:
    id:     9de06f94-a841-4e17-ac7c-9a0d8d8791b8
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum idb-ceph4,idb-ceph5,idb-ceph6
    mgr: idb-ceph4(active), standbys: idb-ceph5, idb-ceph6
    osd: 172 osds: 168 up, 168 in
    rgw: 5 daemons active

  data:
    pools:   16 pools, 9430 pgs
    objects: 272.4 M objects, 360 TiB
    usage:   1.1 PiB used, 333 TiB / 1.4 PiB avail
    pgs:     9410 active+clean
             11   active+clean+scrubbing
             9    active+clean+scrubbing+deep

  io:
    client:   151 MiB/s rd, 838 op/s rd, 0 op/s wr

taking the sum of all the sizes of the buckets gives:

526,773,819,875,727 bytes or 526.7TB.

How can the status usage of objects be 333TiB and the bucket totals be 479TiB?


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