How to measure disk performance via IOPS

Solution Verified - Updated -


  • For disk performance it is suitable to check IOPS (I/O Per Second) with fio.
  • The amount written is not the issue, the latency of syncing to disk is.


  • Red Hat Openshift Container Platform (RHOCP)
    • 4.x
  • Red Hat Enterprise Linux (RHEL)
    • 8.x
  • Red Hat Enterprise Linux CoreOS (RHCOS)

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