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Annotation of sys/arch/sgi/stand/sgivol/sgivol.8, Revision 1.1.1.1

1.1       nbrk        1: .\"    $OpenBSD: sgivol.8,v 1.5 2007/05/31 19:20:05 jmc Exp $
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                      3: .\" Copyright (c) 2005 Theo de Raadt
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                     28: .Dd $Mdocdate: May 31 2007 $
                     29: .Dt SGIVOL 8 sgi
                     30: .Os
                     31: .Sh NAME
                     32: .Nm sgivol
                     33: .Nd installs a volume header on disk
                     34: .Sh SYNOPSIS
                     35: .Nm sgivol
                     36: .Op Fl fq
                     37: .Op Fl d Ar vhfilename
                     38: .Ar disk
                     39: .Nm sgivol
                     40: .Op Fl fiq
                     41: .Op Fl h Ar vhsize
                     42: .Ar disk
                     43: .Nm sgivol
                     44: .Op Fl fq
                     45: .Op Fl l Ar vhfilename1 Ar vhfilename2
                     46: .Ar disk
                     47: .Nm sgivol
                     48: .Op Fl fq
                     49: .Op Fl r Ar vhfilename Ar diskfilename
                     50: .Ar disk
                     51: .Nm sgivol
                     52: .Op Fl fq
                     53: .Op Fl w Ar vhfilename Ar diskfilename
                     54: .Ar disk
                     55: .Sh DESCRIPTION
                     56: .Nm
                     57: is used to initialize, and then add or remove programs from the
                     58: SGI disk volume header.
                     59: .Pp
                     60: The SGI volume header is a disklabel-like structure located at the
                     61: start of a disk.
                     62: It is typically 3135 (512-byte) blocks in size, and can store a
                     63: variety of files inside it, typically boot programs.
                     64: .Pp
                     65: The options are as follows:
                     66: .Bl -tag -width flag_opt
                     67: .It Fl d Ar vhfilename
                     68: Delete the file
                     69: .Ar vhfilename
                     70: from the filesystem storage space in the volume header.
                     71: .It Fl f
                     72: Force.
                     73: Do not ask yes/no questions.
                     74: .It Fl h Ar vhsize
                     75: Choose an alternate volume header size, in (512-byte) disk blocks.
                     76: The default is 3135 blocks.
                     77: .It Fl i
                     78: Initialize a volume header on the supplied device.
                     79: .It Fl l Ar vhfilename1 Ar vhfilename2
                     80: Link the file
                     81: .Ar vhfilename1
                     82: to the file
                     83: .Ar vhfilename2
                     84: within the filesystem storage space in the volume header.
                     85: .It Fl q
                     86: Be quiet about various diagnostic issues.
                     87: .It Fl r Ar vhfilename Ar diskfilename
                     88: Locate the file
                     89: .Ar diskfilename
                     90: in the storage space of the volume header, and copy it to the
                     91: standard file
                     92: .Ar vhfilename .
                     93: .It Fl w Ar vhfilename Ar diskfilename
                     94: Copy the standard file
                     95: .Ar vhfilename
                     96: to the filesystem storage space in the volume header, placing
                     97: it there with the name
                     98: .Ar diskfilename .
                     99: .It Ar disk
                    100: The name of the disk containing the partition in which the second-stage
                    101: boot program resides and the first-stage boot program is to be installed.
                    102: This can either be specified in short form (e.g.,
                    103: .Sq sd0
                    104: or as the explicit device node, such as
                    105: .Pa /dev/rsd0c ) .
                    106: .Pp
                    107: Note that you must be in single-user mode or have your kernel in
                    108: insecure mode (see the
                    109: .Xr sysctl 8
                    110: .Va kern.securelevel
                    111: variable or
                    112: .Pa /etc/rc.securelevel )
                    113: to enable access to the raw partition of a mounted disk.
                    114: .El
                    115: .Pp
                    116: If no special flags are supplied,
                    117: .Nm
                    118: will display the current volume header information.
                    119: .Sh EXAMPLES
                    120: The typical use is
                    121: .Bd -literal -offset indent
                    122: # /usr/mdec/sgivol -f -i sd0
                    123: # /usr/mdec/sgivol -f -w boot /usr/mdec/boot sd0
                    124: .Ed
                    125: .Sh SEE ALSO
                    126: .Xr disklabel 8 ,
                    127: .Xr init 8