Re: cdrecord newbie mystified at step zero
- From: Matt Giwer <jull43@xxxxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 13 Aug 2007 02:31:44 -0400
Charles Packer wrote:
All these years I've mounted CD-ROMS with
mount -t iso9660 /dev/cdrom /cdrom
and ignored the response
mount: block device /dev/cdrom is write-protected, mounting read-only
because all I ever wanted to do under
Linux was read them. Now I want to try
to use cdrecord. The tutorial I've been
studying,
http://www.yolinux.com/TUTORIALS/LinuxTutorialCDBurn.html
doesn't say anything about this. The
man page for mount says mounting is
write-enabled by default. Where is the
secret bit that will let me mount
writable?
You don't mount blank media. cdrecord sends data to the drive telling it to burn a file system on it.
The entire subject is not very clear. The trick is to find something that works for you and keep using it. As such it is best to create and executable file for cdrecord and the following commands while learning. The second problem is the high failure rate of blanks so you can't be certain if it is your mistake or a bad blank until you get some experience. I have had as high as 50% bad blanks on a single spindle. And I have burned hundreds of CDs and DVDs and still make mistakes and have to read the fine manpage.
And do not forget you start with mkisofs to make one that can be read by any computer or DVD player. Otherwise it will create a linux filesystem. So if you want to transfer data from Windows to Linux mkisofs is the way to go. if it is just linux data backup you can write directly.
The minimum command is
mkisofs -o file-to-burn.iso filename
If you are putting several files on the same disk instead of filename put them all in one directory and replace filename with directoryname/ and it will remove the directory and record the files in it separately.
Generally -l to permit long file names hurts nothing. Then there are -R and -J options which you may nor may not be interested in but if only to be read by the same computer that creates the disk you can stick with a linux file system if you want.
Many things you may read imply or clearly state you need something other than mkisofs. I have the current version of it and have used it to create 4.4GB DVDs that the TVs DVD player reads without a problem although it only reads the shortened version of the name.
That means if you have LONG-NAME-PART-1.avi and LONG-NAME-PART-2.avi without the -l option on mkisofs it will create a standard short name that may have the avis in the wrong order or if you did use -l the DVD player will not show you the part numbers. The solution is simply to name then 1-LONG-NAME.avi and 2-LONG-NAME.avi.
Then there are the joys of disk at once, multi-session disks and other amusing things including RW discs and fast or full erase and much more. So when you run into other problems and come back here post what your are trying to record even if it is just home movies. That way maybe you can get started with information directed solely towards what you are trying to do to get you started with the least frustration.
--
One finger is all a real American needs.
-- The Iron Webmaster, 3838
nizkor http://www.giwersworld.org/nizkook/nizkook.phtml
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