In this /etc/filesystems entry for a VxFS file system created on a VxVM volume, /mount_point is the mount point for the file system, /dev/vx/dsk/Diskgroup_name/Volume_name is the block device on which the file system is created, and vxfs is the file system type.
/etc/filesystems: /mount_point: dev = /dev/vx/dsk/Diskgroup_name/Volume_name vfs = vxfs mount = false check = false