The NZ Linux Resource
From: Steve Wright (paua@quicksilver.net.nz)
Date: Thu 24 Jul 2003 - 14:24:17 NZST


Volker Kuhlmann wrote:

>>I'm backing up stuff to CD.  I want an ext2 filesystem on the CD.
>>
>>bash-2.05a# dd if=/dev/zero of=archive-CD.iso bs=1024k count=520
>>
>
>Fine, except that CDs *must* have a block size of 2048.
>

yup, werked good.  8-)

for a 520MB ext2 archive, as root, do ;  (after you have check this for 
typos etc..)

mkdir /root/cdburn
dd if=/dev/zero of=/root/cdburn/archive-CD.iso bs=2048 count=260000
mke2fs -b 2048 /root/cdburn/archive-CD.iso
mkdir /root/mount
mount /root/cdburn/archive-CD.iso /root/mount/ -t ext2 -o loop
cp /opt/stuff-to-back-up/* /root/mount/
umount /root/archive-CD.iso
cdrecord -v archive-CD.iso

mount /dev/cdrom -t ext2 /mnt/cdrom/
ls -l /mnt/cdrom/

ta da !


thanks.
/sw

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