Why RBD client sees I/O hung when OSD gets kill in Red Hat Ceph Storage

Solution Verified - Updated -

Issue

  • The I/O workload on rbd device hung for 9-10 seconds whenever OSD gets killed on ceph osd node.
  • I/O stops for sometimes whenever OSD gets killed from ceph osd node.

Environment

  • Red Hat Enterprise Linux 7.2

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