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Message-Id: <20011202115407.C1522-100000@jodie.ncptiddische.net>
Date: Sun, 2 Dec 2001 12:01:10 +0100 (CET)
From: Nils Holland <nils@tisys.org>
Sender: nils@jodie.ncptiddische.net
To: freebsd-gnats-submit@freebsd.org
Subject: Answer frequently asked question about burning CDs

>Number:         32435
>Category:       docs
>Synopsis:       Answer frequently asked question about burning CDs
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Sun Dec 02 03:10:01 PST 2001
>Closed-Date:    Sun Dec 2 09:50:45 PST 2001
>Last-Modified:  Sun Dec 02 09:51:45 PST 2001
>Originator:     Nils Holland
>Release:        FreeBSD 4.4-STABLE i386
>Organization:
Ti Systems
>Environment:
System: FreeBSD jodie.ncptiddische.net 4.4-STABLE FreeBSD 4.4-STABLE #0: Sat Dec 1 11:12:19 CET 2001 root@poison.ncptiddische.net:/usr/obj/usr/src/sys/JODIE i386

>Description:
	Recently, I often saw (and answered) a specific question about
	burning CDs on -question. Users tended to burn raw files (for example
	tarballs) to CDs, and then wondered why they couldn't mount the
	CD under FreeBSD or access the data on it under a different
	operating system. Although there is a chapter about burning CDs in
	the handbook, I prepared a FAQ entry that explains how such
	"raw" CDs are to be used, and how to actually create a "real"
	ISOFS CD then can be mounted under FreeBSD and is also
	accessible under other operating systems.


>How-To-Repeat:
	Read the -questions archives and count how often this
	question was added during the last few weeks...

>Fix:
	Apply this diff to faq/book.sgml:

*** book.sgml	Sun Dec  2 11:24:14 2001
--- book_new.sgml	Sun Dec  2 11:51:35 2001
***************
*** 3667,3672 ****
--- 3667,3707 ----
        </qandaentry>

        <qandaentry>
+       <question id="burncd-isofs">
+       <para>I burned a CD under FreeBSD and now I can not read it under any other operating
+        system. Why?</para></question>
+
+        <answer>
+        <para>Most likely, you burned a raw file to your CD, probably by using a command
+         like:</para>
+
+ 	<screen>&prompt.root; <userinput>burncd -f /dev/acd1c -s 12 data archive.tar.gz fixate</userinput></screen>
+
+ 	<para>CDs are sometimes burned that way, espeically for backup purposes.
+ 	 In order to retrive the data burned to the CD in the above manner, you'd have to use
+ 	 a command like:</para>
+
+ 	 <screen>&prompt.root; <userinput>tar xzvf /dev/acd1c</userinput></screen>
+
+ 	 <para>If you want to be able to mount your CD under FreeBSD or use it under a different
+ 	  operating system, however, this method will not work. Instead, you will have to create
+ 	  an ISO 9660 filesystem from the files to be burned to your CD first. In order to do that,
+ 	  you will first have to install the <filename>sysutils/mkisofs</filename> port. Once that
+ 	  has been done, you can issue a command like:</para>
+
+ 	<screen>&prompt.root; <userinput>mkisofs --allow-lowercase --allow-multodot -r -o cdimage cddir</userinput></screen>
+
+ 	<para>This will create a file named <filename>cdimage</filename> from all files in the
+ 	<filename>cddir</filename> directory. You can then do:</para>
+
+ 	<screen>&prompt.root; <userinput>burncd -f /dev/acd1c -s 12 data cdimage fixate</userinput></screen>
+
+ 	<para>The resulting CD can be mounted under FreeBSD like any other normal CD, and it will work
+ 	 under other operating systems as well.</para>
+ 	</answer>
+ 	</qandaentry>
+
+ 	<qandaentry>
          <question id="printer-slow">
            <para>My printer is ridiculously slow. What can I do?</para>
          </question>


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: murray 
State-Changed-When: Sun Dec 2 09:50:45 PST 2001 
State-Changed-Why:  
I've committed this change with r1.310 of book.sgml, thanks for the 
submission!  I also made a number of changes to the sentence 
structure, corrected some typos, and added a link to the Handbook 
section on this topic. 


http://www.FreeBSD.org/cgi/query-pr.cgi?pr=32435 
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