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Automation Suite on Linux installation guide

Last updated Mar 26, 2026

Failure to upload or download data in objectstore

Description

This issue may occur when the object-store state is in a degraded state due to a placement group (PG) inconsistency.

Verify if the problem is indeed related to rook-ceph PG inconsistency by running the following commands:

export KUBECONFIG=/etc/rancher/rke2/rke2.yaml PATH=$PATH:/var/lib/rancher/rke2/bin
ROOK_CEPH_TOOLS=$(kubectl -n rook-ceph get pods | grep rook-ceph-tools)
kubectl -n rook-ceph exec -it $ROOK_CEPH_TOOLS -- ceph status
export KUBECONFIG=/etc/rancher/rke2/rke2.yaml PATH=$PATH:/var/lib/rancher/rke2/bin
ROOK_CEPH_TOOLS=$(kubectl -n rook-ceph get pods | grep rook-ceph-tools)
kubectl -n rook-ceph exec -it $ROOK_CEPH_TOOLS -- ceph status

If the problem is related to a rook-ceph PG inconsistency, the output should contain the following messages:

....
....
Possible data damage: X pgs inconsistent
....
....
X active+clean+inconsistent
....
....
....
....
Possible data damage: X pgs inconsistent
....
....
X active+clean+inconsistent
....
....

Solution

To repair the inconsistent PG, take the following steps:

  1. Exec to rook-ceph tools:

    kubectl -n rook-ceph exec -it $ROOK_CEPH_TOOLS -- sh
    kubectl -n rook-ceph exec -it $ROOK_CEPH_TOOLS -- sh
    
  2. Trigger the rook-ceph garbage collector process. Wait until the process is complete.

    radosgw-admin gc process
    radosgw-admin gc process
    
  3. Find a list of active+clean+inconsistent PGs:

    ceph health detail
    # output of this command be like
    # ....
    # pg <pg-id> is active+clean+inconsistent, acting ..
    # pg <pg-id> is active+clean+inconsistent, acting ..
    # ....
    #
    ceph health detail
    # output of this command be like
    # ....
    # pg <pg-id> is active+clean+inconsistent, acting ..
    # pg <pg-id> is active+clean+inconsistent, acting ..
    # ....
    #
    
  4. Trigger a deep scrub on the PGs one at a time. This command takes few minutes to run, depending on the PG size.

    ceph pg deep-scrub <pg-id>
    ceph pg deep-scrub <pg-id>
    
  5. Watch the scrubbing status:

    ceph -w | grep <pg-id>
    ceph -w | grep <pg-id>
    
  6. Check the PG scrub status. If the PG scrub is successful, the PG status should be active+clean+inconsistent.

    ceph health detail | grep <pg-id>
    ceph health detail | grep <pg-id>
    
  7. Repair the PG:

    ceph pg repair <pg-id>
    ceph pg repair <pg-id>
    
  8. Check the PG repair status. The PG ID should be removed from the active+clean+inconsistent list if the PG is repaired successfully.

    ceph health detail | grep <pg-id>
    ceph health detail | grep <pg-id>
    
  9. Repeat steps 3 to 8 for the rest of the inconsistent PG.

  • Description
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