VNCONFIG(8) | System Manager's Manual | VNCONFIG(8) |
vnconfig | [-crvz] [-f disktab] [-t typename] vnode_disk regular_file [geomspec] |
vnconfig | -u [-Fv] vnode_disk |
vnconfig | -l [vnode_disk] |
Options indicate an action to be performed:
If geomspec is specified, the vnode device will emulate the specified disk geometry. The format of the geomspec argument is:
/
nsectors/
ntracks/
ncylindersIf geometry is not specified, the kernel will choose a default based on 1MB cylinders. secsize is the number of bytes per sector. It must be an even multiple of 512. nsectors is the number of sectors per track. ntracks is the number of tracks per cylinder. ncylinders is the number of cylinders in the device.
If no action option is given, -c is assumed.
orvnconfig vnd0 /tmp/diskimage
vnconfig /dev/rvnd0c /tmp/diskimage
Configures the vnode disk vnd0. Please note that use of the second form of the command is discouraged because it requires knowledge of the raw partition which varies between architectures.
vnconfig vnd0 /tmp/floppy.img 512/18/2/80
Configures the vnode disk vnd0 emulating the geometry of 512 bytes per sector, 18 sectors per track, 2 tracks per cylinder, and 80 cylinders total.
vnconfig -t floppy vnd0 /tmp/floppy.img
Configures the vnode disk vnd0 using the geometry specified in the floppy entry in /etc/disktab.
vnconfig -u vnd0
Unconfigures the vnd0 device.
July 16, 2005 | NetBSD 6.1 |