SOS report on an iSCSI Host hang or crash the iSCSI Gateway.

Solution Verified - Updated -

Issue

  • Taking an sos report on a host with iSCSI GW installed brings the iSCSI kernel modules and tcmu-runner process into D states.
  • Minutes after running the sos report iSCSI processing stops working on this node with hung processes (see diagnostic section for details).

Environment

  • Red Hat Ceph Cluster (RHCS) 4 (Containerized)
  • Red Hat Ceph Cluster (RHCS) 5 (Containerized)

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