Enabling additional logging for ceph-iscsigw, getting the error "-bash: echo: write error: Invalid argument"

Solution Verified - Updated -

Issue

  • How to enable additional logging in Ceph iSCSI gateway ?
  • While enabling additional logging for ceph-iscsigw, getting the error: -bash: echo: write error: Invalid argument
  • While enabling additional logging for ceph-iscsigw:
# echo "iscsi_target_mod +p" > /sys/kernel/debug/dynamic_debug/control
-bash: echo: write error: Invalid argument

Environment

  • Red Hat Ceph Storage 4
  • Red Hat Enterprise Linux 7,8

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