o2info(1) on Linux
The text f16940533a8d, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Dump OCFS2 file system information on disk.
Flags it lists
-
--cluster-coherent -
--fs-features -
--help -
--mkfs -
--version -
--volinfo -
-C -
-V -
-h