1 .\" $NetBSD: boot.8,v 1.7 2003/04/08 03:49:45 lukem Exp $
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30 .\" @(#)boot_sparc.8 8.2 (Berkeley) 4/19/94
38 system bootstrapping procedures
44 .\" .Ar -- <boot string>
47 .Ss Power fail and crash recovery
48 Normally, the system will reboot itself at power-up or after crashes.
49 An automatic consistency check of the file systems will be performed
52 and unless this fails, the system will resume multi-user operations.
53 .Ss Cold starts from disk
55 .Pa ( /usr/mdec/bootsd )
58 from partition A of the boot device,
59 which must currently be an
62 .Ss Cold starts from tape
64 .Pa ( /usr/mdec/bootst )
67 from a SCSI tape drive.
68 .Ss Cold starts over a network
69 The network boot program
70 .Pa ( /usr/mdec/netboot )
73 from the NFS root as determined by the procedure described in
75 Note that the MVME147 is unable to boot directly from the
76 network without the help of a small bootloader program
77 .Pa ( /usr/mdec/sboot ) .
78 .Ss Boot program options
81 Prompt for the root file system device, the system crash dump
82 device, and the path to
85 Bring the system up in debug mode.
86 Here it waits for a kernel debugger connect; see
89 Boot the system in quiet mode.
91 Bring the system up in single-user mode.
93 Boot the system in verbose mode.
96 Any extra flags or arguments, or the
97 .Ar \*[Lt]boot string\*[Gt]
98 after the -- separator are passed to the boot PROM.
99 Other flags are currently ignored.
101 At any time you can break to the kernel debugger
105 was specified in the kernel configuration file)
106 by sending a serial line BREAK character.
107 If you do this accidentally you can continue whatever was in progress
110 followed by the return key.
112 .Bl -tag -width /usr/mdec/installboot -compact
115 .It Pa /usr/mdec/bootxx
116 first-level boot block for disks
117 .It Pa /usr/mdec/stboot
118 first-level boot block for tapes
119 .It Pa /usr/mdec/bootsd
120 second-level boot block for UFS disks
121 .It Pa /usr/mdec/bootst
122 second-level boot block for tapes
123 .It Pa /usr/mdec/netboot
124 boot program for NFS (diskless) boot
125 .It Pa /usr/mdec/sboot
126 network bootstrap program for MVME147
127 .It Pa /usr/mdec/installboot
128 program to install bootxx on a disk