.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
.\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.\" $OpenBSD: fsirand.8,v 1.5 1997/02/09 01:10:16 millert Exp $
+.\" $OpenBSD: fsirand.8,v 1.6 1997/02/23 03:58:26 millert Exp $
.\"
.Dd January 25, 1997
.Dt FSIRAND 8
.Ar special .
This increases the security of NFS-exported filesystems by making
it difficult to ``guess'' filehandles.
-
+.Pp
+.Em Note:
+.Xr newfs 8
+now does the equivalent of
+.Nm
+itself so it is no longer necesary to
+run
+.Nm
+by hand on a new filesystem. It is only used to
+re-randomize or report on an existing filesystem.
+.Pp
.Nm Fsirand
should only be used on an unmounted filesystem that
has been checked with
.It Fl p
Print the current generation numbers for all inodes instead of
generating new ones.
+.Sh CAVEATS
+Since
+.Nm
+allocates enough memory to hold all the inodes in
+a given cylinder group it is may use a large amount
+of memory for large disks with few cylinder groups.
.Sh SEE ALSO
.Xr fs 5 ,
.Xr fsck 8 ,
This version of
.Nm
first appeared in
-.Bx Open .
+.Bx Open
+2.1.
.Sh AUTHOR
.nf
Todd C. Miller <Todd.Miller@courtesan.com>