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ccdconfig: remove obsolete references to BSD disklabels

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ccd(4) previoulsy had knowledge of BSD disklabels, and relied on their
use on the underlying disks, but this hasn't been the case since 2003
(commit 0f76d6d822).

Remove disklabel references from the man page.

Reviewed by: imp
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D43574
This commit is contained in:
Ed Maste 2024-01-24 10:05:09 -05:00
parent 5fc3104ae7
commit a3ed434a69
1 changed files with 1 additions and 41 deletions
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42
sbin/ccdconfig/ccdconfig.8
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@ -27,7 +27,7 @@
.\"
.\" $NetBSD: ccdconfig.8,v 1.4 1996/02/28 01:01:17 thorpej Exp $
.\"
.Dd March 17, 2022
.Dd January 24, 2024
.Dt CCDCONFIG 8
.Os
.Sh NAME
@ -122,13 +122,6 @@ argument is optional.
ccd0 16 none /dev/da2s1 /dev/da3s1
.Ed
.Pp
The component devices need to name partitions of type
.Li FS_BSDFFS
(or
.Dq 4.2BSD
as shown by
.Xr disklabel 8 ) .
.Pp
If you want to use the
.Tn Linux
.Xr md 4
@ -187,30 +180,6 @@ When you create a new ccd disk you generally want to
and
.Xr disklabel 8
it before doing anything else.
Once you create the initial label you can
edit it, adding additional partitions.
The label itself takes up the first
16 sectors of the ccd disk.
If all you are doing is creating file systems
with newfs, you do not have to worry about this as newfs will skip the
label area.
However, if you intend to
.Xr dd 1
to or from a ccd partition it is usually a good idea to construct the
partition such that it does not overlap the label area.
For example, if
you have A ccd disk with 10000 sectors you might create a 'd' partition
with offset 16 and size 9984.
.Bd -literal
# disklabel ccd0 > /tmp/disklabel.ccd0
# disklabel -R ccd0 /tmp/disklabel.ccd0
# disklabel -e ccd0
.Ed
.Pp
The disklabeling of a ccd disk is usually a one-time affair.
If you reboot the machine and reconfigure the ccd disk,
the disklabel you
had created before will still be there and not require reinitialization.
Beware that changing any ccd parameters: interleave, flags, or the
device list making up the ccd disk, will usually destroy any prior
data on that ccd disk.
@ -246,12 +215,3 @@ The
.Nm
utility first appeared in
.Nx 1.1 .
.Sh BUGS
The initial disklabel returned by
.Xr ccd 4
specifies only 3 partitions.
One needs to change the number of partitions to 8 using
.Dq Nm disklabel Fl e
to get the usual
.Bx
expectations.