gfs2_edit -p sb /dev/ADMIN/work

# gfs2_edit -p sb /dev/ADMIN/work
Block #16    (0x10) of 196608000 (0xbb80000) (superblock)

Superblock:
  mh_magic              0x01161970(hex)
  mh_type               1                   0x1
  mh_format             100                 0x64
  sb_fs_format          1801                0x709
  sb_multihost_format   1900                0x76c
  sb_bsize              4096                0x1000
  sb_bsize_shift        12                  0xc
  master dir:           2                   0x2
        addr:           23                  0x17
  root dir  :           1                   0x1
        addr:           22                  0x16
  sb_lockproto          lock_dlm
  sb_locktable          Nevis_HA:work
  sb_uuid               0FCF6552-6C44-C299-CD2F-17E258B29586

The superblock has 2 directories
     1. (1). 22 (0x16): Dir     root
     2. (2). 23 (0x17): Dir     master
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