disktab.4 (2010 09)

d
disktab(4) disktab(4)
NAME
disktab - disk description file
SYNOPSIS
#include <disktab.h>
DESCRIPTION
disktab is a simple database that describes disk geometries. Entries in
disktab consist of a number
of colon-separated fields. The first entry for each disk gives the names by which the disk is known,
separated by vertical bar (
|) characters.
This file is provided for backward compatibility with previous HP-UX releases only. Its use is
discouraged.
The following list indicates the normal values stored for each disk entry. Sectors are of size
DEV_BSIZE,
defined in
<sys/param.h>
.
Name Type Description
ns num Number of sectors per track
nt num Number of tracks per cylinder
nc num Total number of cylinders on the disk
b0 num Block size (bytes)
f0 num Fragment size (bytes)
s0 num Size of disk in sectors
rm num Revolution per minute
Example:
HP_7914:
:132.1 MB:ns#16:nt#7:nc#1152:\
:s0#129024:b0#8192:f0#1024:\
:se#256:rm#3600:
AUTHOR
disktab was developed by HP and the University of California, Berkeley.
FILES
/etc/disktab
SEE ALSO
newfs(1M), getdiskbyname(3C).
HP-UX 11i Version 3: September 2010 − 1 − Hewlett-Packard Company 1