Shift: How to clean up Ceph storage after large deletion in OpenShift

Solution Verified - Updated -


  • A large deletion in an OpenShift environment results in no capacity change in the Ceph OCS environment.
  • Ceph OCS cluster is too full after deletion in OpenShift when Nodes with SSD NVMe disks are in use.
  • Observe that storage in your Ceph cluster is reaching capacity despite efforts to clean up or reduce PVs
  • Ceph Tools may show high %RAW USED that does not match your expected total based on allocated storage.
  • How to implement fstrim via root crontab


Red Hat OpenShift Cluster Platform (OCP) 4.x
Red Hat OpenShift Container Storage (OCS) 4.x
Red Hat Ceph Storage (RHCS) 5.x

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