Why are write barriers not reported for Ext4 and XFS filesystems in RHEL7 and RHEL8?

Solution Verified - Updated -

Issue

  • Why are write barriers not reported for Ext4 and XFS filesystems in RHEL7 and RHEL8?
  • The barriers option is not listed in the mount or cat /proc/mounts output for supported local filesystem types in RHEL7 and RHEL8.

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Ext4 filesystem
  • XFS filesystem

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