Can the `discard` mount option and the `fstrim` command be used with GFS2 filesystems?

Solution In Progress - Updated -

Issue

  • Can the discard mount option and the fstrim command be used with GFS2 filesystems?
  • What is the process of white space reclamation for GFS2 file systems?

Environment

  • Red Hat Enterprise Linux Server 5 (with Clustering and Cluster Storage)
  • Red Hat Enterprise Linux Server 6, 7 (with the Resilient Storage Add-on)
  • A Global Filesystem 2 (gfs2) filesystem

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