/sbin/fsck.gfs2
/sbin/gfs2_grow
/sbin/gfs2_jadd
/sbin/mkfs.gfs2
/sbin/mount.gfs2
/usr/sbin/gfs2_convert
/usr/sbin/gfs2_edit
/usr/sbin/gfs2_fsck
/usr/sbin/gfs2_mkfs
/usr/sbin/gfs2_mount
/usr/sbin/gfs2_quota
/usr/sbin/gfs2_tool
/usr/sbin/tunegfs2
You may install this package on Debian with
apt-get
install gfs2-utils