Description of problem (please be detailed as possible and provide log
snippests):
tests/functional/pv/pv_services/test_rbd_rwx_pvc.py::TestRbdBlockPvc::test_rbd_block_rwx_pvc is failing on IBM Power on ODF 4.16. Error being -

1. Verify md5sum has changed after IO
   log.info("Verify md5sum has changed after IO. Verify from all pods.")
   for pod_obj in self.pod_objs:
2. Find md5sum pod_obj.md5sum_after_io = pod_obj.exec_sh_cmd_on_pod(
   command=f"dd iflag=direct if= {pod_obj.get_storage_path(storage_type='block')}

   | md5sum"
   )
   > assert pod_obj.md5sum_after_io != md5sum_value_initial, (
   f"md5sum obtained from the pod

   {pod_obj.name}

   has not changed after IO. "
   f"IO was run from pod

   {io_pod.name}

   "
   )
   E AssertionError: md5sum obtained from the pod pod-test-rbd-21b0670da23f483a8f5619730ea has not changed after IO. IO was run from pod pod-test-rbd-27928049ec6045608dbfe88c953
   E assert 'f1c9645dbc14efddc7d8a322685f26eb -\n' != 'f1c9645dbc14efddc7d8a322685f26eb -\n' E + where 'f1c9645dbc14efddc7d8a322685f26eb -\n' = <ocs_ci.ocs.resources.pod.Pod object at 0x7ffe9b2787c0>.md5sum_after_io tests/functional/pv/pv_services/test_rbd_rwx_pvc.py:92: AssertionError

Version of all relevant components (if applicable):

1. oc version
   Client Version: 4.16.0-rc.4
   Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3
   Server Version: 4.16.0-rc.4
   Kubernetes Version: v1.29.5+f6419fb

ODF : 4.16.0

This issue is seen from 4.16 version of ODF.

Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?

Is there any workaround available to the best of your knowledge?

Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?

Can this issue reproducible? Yes , this issue is consistent and occurred every time the test case is run.

Can this issue reproduce from the UI?

If this is a regression, please provide more details to justify this:

Steps to Reproduce:
1.
2.
3.

Actual results:

Expected results:

Additional info: