FSTRIM issues after installing kernel-3.10.0-514.26.2

Solution In Progress - Updated -

Issue

  • We are seeing I/O issues after OS patching when we are running fstrim on SSD mounts on Cassandra database nodes.
  • After patching, we started seeing cassandra database node down alerts due to IO blocking during fstrim activity.

Environment

  • Red Hat Enterprise Linux 7.3
  • kernel-3.10.0-514.26.2.el7

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