Currently we are not capturing the output of tunegfs2 for GFS2 filesystems. The format of this command is:

gfs2 :  tunegfs2 - l <gfs2 device path>

And the expected output is:

[root@fastvm-rhel-8-1-130 sos_commands]# tunegfs2 -l /dev/shared_vg/shared_lv 
tunegfs2 (Mar 28 2023 13:15:23)
File system volume name: testcluster:gfs2fs
File system UUID: 0799b39f-0643-4a14-804d-363b81d5f2ca
File system magic number: 0x1161970
Block size: 4096
Block shift: 12
Root inode: 4656
Master inode: 2072
Lock protocol: lock_dlm
Lock table: testcluster:gfs2fs
[root@fastvm-rhel-8-1-130 sos_commands]#