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Add two entries about ccd.

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Satoshi Asami 1996-10-09 20:52:35 +00:00
parent f2671637c7
commit a997ffd51a
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=596
1 changed files with 45 additions and 2 deletions
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FAQ/FAQ.sgml
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@ -1,11 +1,11 @@
<!DOCTYPE linuxdoc PUBLIC "-//FreeBSD//DTD linuxdoc//EN"> <!DOCTYPE linuxdoc PUBLIC "-//FreeBSD//DTD linuxdoc//EN">
<!-- $Id: FAQ.sgml,v 1.11 1996-10-06 20:33:37 jfieber Exp $ --> <!-- $Id: FAQ.sgml,v 1.12 1996-10-09 20:52:35 asami Exp $ -->
<article> <article>
<title>Frequently Asked Questions for FreeBSD 2.X <title>Frequently Asked Questions for FreeBSD 2.X
<author>The FreeBSD FAQ Team, <tt/FAQ@FreeBSD.ORG/ <author>The FreeBSD FAQ Team, <tt/FAQ@FreeBSD.ORG/
<date>$Date: 1996-10-06 20:33:37 $ <date>$Date: 1996-10-09 20:52:35 $
<abstract> <abstract>
This is the FAQ for FreeBSD systems version 2.X All entries are This is the FAQ for FreeBSD systems version 2.X All entries are
assumed to be relevant to FreeBSD 2.0.5+, unless otherwise noted. assumed to be relevant to FreeBSD 2.0.5+, unless otherwise noted.
@ -2645,6 +2645,49 @@ disk fd1 at fdc0 drive 1
</verb> </verb>
</enum> </enum>
<sect1>
<heading>What's inappropriate about my ccd?</heading>
<p>
The symptom of this is:
<verb>
host# ccdconfig -C
ccdconfig: ioctl (CCDIOCSET): /dev/ccd0c: Inappropriate file type or format
host#
</verb>
<p>
This usually happens when you are trying to concatenate the
`c' partitions, which default to type `unused'. The ccd
driver requires the underlying partition type to be
FS_BSDFFS. Edit the disklabel of the disks you are trying
to concatenate and change the types of partitions to
`4.2BSD'.
<sect1>
<heading>Why can't I edit the disklabel on my ccd?</heading>
<p>
The symptom of this is:
<verb>
host# disklabel ccd0
(it prints something sensible here, so let's try to edit it)
host# disklabel -e ccd0
(edit, save, quit)
disklabel: ioctl DIOCWDINFO: No disk label on disk;
use "disklabel -r" to install initial label
host#
</verb>
<p>
This is because the disklabel returned by ccd is actually a
`fake' one that is not really on the disk. You can solve
this problem by writing it back explicitly, as in:
<verb>
host# disklabel ccd0 > /tmp/disklabel.tmp
host# disklabel -Rr ccd0 /tmp/disklabel.tmp
host# disklabel -e ccd0
(this will work now)
</verb>
<sect> <sect>
<heading>Networking</heading> <heading>Networking</heading>