122 lines
3.7 KiB
Groff
122 lines
3.7 KiB
Groff
.\" $NetBSD: boot.8,v 1.14 2003/08/07 10:31:28 agc Exp $
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.\"
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.\" Copyright (c) 1992, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)boot_sparc.8 8.2 (Berkeley) 4/19/94
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.\"
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.Dd April 8, 2003
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.Dt BOOT 8 sun3
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.Os
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.Sh NAME
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.Nm boot
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.Nd system bootstrapping procedures
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.\" .Sh SYNOPSIS
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.\" .Nm reboot
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.\" .Op Fl n
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.\" .Op Fl q
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.\" .Oo
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.\" .Ar -- <boot string>
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.\" .Oc
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.Sh DESCRIPTION
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.Ss Power fail and crash recovery
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Normally, the system will reboot itself at power-up or after crashes.
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An automatic consistency check of the file systems will be performed
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as described in
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.Xr fsck 8 ,
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and unless this fails, the system will resume multi-user operations.
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.Ss Cold starts
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A disk-boot program
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.Pa ( /usr/mdec/ufsboot )
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will attempt to load
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.Pa netbsd
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from partition A of the boot device,
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which must currently be an
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.Dq sd
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disk.
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Alternatively, network boot program
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.Pa ( /usr/mdec/netboot )
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will load
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.Pa netbsd
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from the NFS root as determined by the procedure described in
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.Xr diskless 8 .
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.Ss Boot program options
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.Bl -tag -width xxx
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.It Fl a
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Prompt for the root file system device, the system crash dump
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device, and the path to
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.Xr init 8 .
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.It Fl d
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Bring the system up in debug mode.
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Here it waits for a kernel debugger connect; see
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.Xr ddb 4 .
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.It Fl q
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Boot the system in quiet mode.
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.It Fl s
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Bring the system up in single-user mode.
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.It Fl v
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Boot the system in verbose mode.
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.El
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.Pp
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Any extra flags or arguments, or the
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.Aq Ar boot string
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after the -- separator are passed to the boot PROM.
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Other flags are currently ignored.
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.Pp
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At any time you can break back to the ROM by pressing the
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.Sq L1
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and
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.Sq a
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keys at the same time (if the console is a serial port the same is
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achieved by sending a
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.Sq break ) .
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If you do this accidentally you can continue whatever was in progress
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by typing
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.Sq c
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followed by the return key.
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.Sh FILES
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.Bl -tag -width /usr/mdec/installboot -compact
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.It Pa /netbsd
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system code
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.It Pa /usr/mdec/bootxx
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first-level boot block for disks
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.It Pa /usr/mdec/netboot
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boot program for NFS (diskless) boot
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.It Pa /usr/mdec/ufsboot
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second-level boot program for UFS disks
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.It Pa /usr/mdec/installboot
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program to install bootxx on a disk
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.El
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.Sh SEE ALSO
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.Xr disklabel 8 ,
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.Xr fsck 8 ,
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.Xr halt 8 ,
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.Xr init 8 ,
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.Xr rc 8 ,
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.Xr shutdown 8 ,
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.Xr syslogd 8
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