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PR487. From John Kohl. (more examples and some corrections)

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hpeyerl 1996-01-16 06:41:20 +00:00
parent 535abd80a2
commit 94caee8dd7
1 changed files with 27 additions and 4 deletions
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31
sbin/disklabel/disklabel.8
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@ -1,4 +1,4 @@
.\" $NetBSD: disklabel.8,v 1.9 1995/03/18 14:54:38 cgd Exp $ .\" $NetBSD: disklabel.8,v 1.10 1996/01/16 06:41:20 hpeyerl Exp $
.\" .\"
.\" Copyright (c) 1987, 1988, 1991, 1993 .\" Copyright (c) 1987, 1988, 1991, 1993
.\" The Regents of the University of California. All rights reserved. .\" The Regents of the University of California. All rights reserved.
@ -279,8 +279,20 @@ Display the in-core label for sd0 as obtained via
.Dl disklabel -w -r /dev/rsd0c sd2212 foo .Dl disklabel -w -r /dev/rsd0c sd2212 foo
.Pp .Pp
Create a label for sd0 based on information for ``sd2212'' found in Create a label for sd0 based on information for ``sd2212'' found in
.Pa /etc/disktab . .Pa /etc/disktab ,
Any existing bootstrap code will be clobbered. using
.Pa foo
as the disk pack label.
Any existing bootstrap code will be clobbered. If you do not have an
entry for your disk in
.Pa /etc/disktab ,
you can use this style to put
an initial label onto a new disk. Then dump the label to a file (using
.Em disklabel sd0 > protofile
),
editing the file, and replacing the label with
.Em disklabel -R sd0
.Em protofile .
.Pp .Pp
.Dl disklabel -e -r sd0 .Dl disklabel -e -r sd0
.Pp .Pp
@ -310,6 +322,16 @@ The label is derived from disktab information for ``sd2212'' and
installed both in-core and on-disk. installed both in-core and on-disk.
The bootstrap code comes from the file The bootstrap code comes from the file
.Pa /usr/mdec/newboot . .Pa /usr/mdec/newboot .
.Pp
.Dl disklabel -R -r sd0 <protofile>
.Pp
Install a new label and bootstrap on a disk, from a prototype label
file. This is a good way to install a label on a previously unlabeled
disk for which no entry appears in
.Pa /etc/disktab ,
if you create the
prototype file by dumping some other disk's label to a file and editing
it appropriately (total size, partition offsets, types, etc.)
.Sh SEE ALSO .Sh SEE ALSO
.Xr disktab 5 , .Xr disktab 5 ,
.Xr disklabel 5 .Xr disklabel 5
@ -342,4 +364,5 @@ will not install bootstrap code that overlaps it.
.Sh BUGS .Sh BUGS
When a disk name is given without a full pathname, When a disk name is given without a full pathname,
the constructed device name uses the ``a'' partition on the tahoe, the constructed device name uses the ``a'' partition on the tahoe,
the ``c'' partition on all others. the ``d'' partition on the i386 or its successors, and the ``c''
partition on all others.