On Fri, 10 Aug 2007, Sergio Lenzi wrote:
The problem is in the rescue directory of the CD/DVD the directory have hard
links that when copied with tar, transforms in full files without the
links.... I think the problem is in libarchive.. as the old 5.4 FreeBSD does
copy the rescue as expected....
a small script fix the rescue links is: assume that your freebsd directory is
in /mnt
==========================
#!/bin/sh
cd /mnt/rescue
lista=`ls | grep -v \\\[`
for i in $lista
do
ln -f [ $i
done
echo done
========================
Sergio
Sergio:
Thanks - your script works perfectly. I also found a post from Alexander
Anderson:
Date: Wed, 4 Apr 2007 07:03:45 -0500
From: Alexander Anderson <[EMAIL PROTECTED]>
To: freebsd-questions@freebsd.org
Subject: Re: ISO Image Size Increasing
with a perl script that seems to do what your shell script, which worked
perfectly, does. Your script reduced the iso size to about 625MB which makes
things work nicely. I also found a guide to making a custom installation iso:
http://romana.now.ie/writing/customfreebsdiso.html. This would be a great
addition to the handbook.
Alexander's post has a clear explanation of the problem:
"Hmm, the problem is that there is no good way to know that two files
are hardlinks on a 9660 filesystem. 9660 doesn't have a concept of
inodes as is common in standard unix filesystems. Instead, the
information about the file is stored in the directory entry. This
means that the two directory entries pointing to the same data blocks
may in fact describe two different files (e.g. the may have different
owner or permission, or they may even differ in size!).
Currently, the inode number shown by 9660 is just the offset of the
directory entry of the file relative to the disk/partition, with the
special case for directories, where we use the start of the directory
itself, i.e. the offset of the '.' entry. This way, it's quite easy
to determine the file attributes given the inode number."
Hence my misunderstanding / confusion.
Thanks to all who replied.
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