How to Grow GFS/GFS2 File System and the Underlying Storage

Solution Verified - Updated -

Issue

When attempting to grow the size of a clustered file system, specifically the GFS and GFS2 file systems, and it's underlying storage. One or multiple of the following occurs:

  • The lvmeta data (LVM meta data) is not being written successfully to the Logical Volume (lv)
  • The GFS/GFS2 file system becomes corrupt
    • typically discoverd either immediately or after a reboot a node or following a umount <fs>; mount <fs> operation
  • The GFS/GFS2 file system is not able to be mounted following a reboot or umount <fs>; mount <fs> operation, after an online filesystem resize was performed
  • After growing GFS2 file system, the fatal: invalid metadata block error was logged

Environment

Operating Systems:

  • Red Hat Enterprise Linux (RHEL) 5
  • Red Hat Enterprise Linux (RHEL) 6
  • Red Hat Enterprise Linux (RHEL) 7
  • Red Hat Enterprise Linux (RHEL) 8

Clustered File System Types:

  • GFS (Global File System version 1)
  • GFS2 (Global File System version 2)

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