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I have been trying to write a dvd in Linux using mkisofs made iso and using dvdrecord to burn the iso on the dvd.
The problem I have faced is that I have .tar file with size > 2 GB. It seems that mkisofs cant make an iso image of a file greater than 2 GB. I know bzippign is an option but I wanted to do it with tar.
I found on the net that the latest version of mkisofs handles that, but I downloaded cdrtools-2.01 and it did try to make an iso image but when i mounted that iso, it had a corrupted the data.
Does anybody know an alternate way to make data DVD's with file size > 2 gb in Linux.
I found that there is a toold called mkudffs, but there isnt any good examples on how to use.
I admit that I don't know enough about dvd's yet, but I was wondering about your filesystem on the hard drive. Are you using EXT2 or EXT3? I believe that there is a 2G file size limit on these filesystems, which would explain why you're having this problem (if you can't make a big enough "temp" file, you're certainly not gonna make the dvd, either). The solution would be to use XFS or ReiserFS for a "temp" partition for K3B (or for your whole drive! I went to ReiserFS 3 as soon as it came out and haven't looked back).
edited because I didn't have the facts - I'm leaving the post intact, just admitting here that I was wrong on several counts here - read my later post for the goods...
Last edited by vectordrake; 01-10-2005 at 05:46 PM.
Originally posted by BruceCadieux So am I. A single file 7.5 gigs .img format. I have also tarballed complete directories (several gigs) and then burned the tar balls to data DVD's.
You're talking about an ISO image that's larger than 2 GB, which is actually quite normal considering even a single-layer DVD-R can store up to 4.7 GB of data. I've never had trouble creating an ISO image larger than 2 GB, either.
The impression I got from the OP is that he's trying to create an ISO image from an original file that's already larger than 2 GB.
As for the file size limit and 32-bit architecture, I believe they are related. The signed integer on a 32-bit machine is 32-bit, which means the largest file size can only be 2 ^ 31 - 1 bytes. Most UNIX/Linux systems have that limitation removed somehow, though.
Originally posted by BruceCadieux Ya quoted me, but apparently didn't even read what you quoted. Because I said Not only iso's but I have created tarballs larger then 2 gigs and 4 gigs and burned them to DVD's
I tried to split the 2.6 GB iso into parts of 1 GB using the command
mkisofs -r -split-output -o image.iso user/
It did create 3 iso files but the Trans.TBL file size was zero according to i, which meant that there was problem with the iso creation.
mkisofs -r -split-output -o image.iso user/
99.98% done, estimate finish Mon Jan 10 14:33:57 2005
Total translation table size: 0
Total rockridge attributes bytes: 248
Total directory bytes: 0
Path table size(bytes): 10
Max brk space used 5384
1335315 extents written (2608 MB)
I am using version 2.01 of cdrtools.
also how does one test mount the series of iso images to check whether the iso creation was fine??
Like for mounting one iso file I use
mount -t iso9660 -o ro,loop=/dev/loop0 image.iso test/
I am confused by your statements. So you're saying that you can now create an ISO image of 2.6 GB from your /home/user directory? If that is the case, why do you need to split it into multiple ISO images?
Originally posted by daihard I am confused by your statements. So you're saying that you can now create an ISO image of 2.6 GB from your /home/user directory? If that is the case, why do you need to split it into multiple ISO images?
What I meant was that the iso gets created but when I mount it and try to untar the tar ( the file having size 2.6 GB) it fails.
I am not able to create a clean iso from that .tar file.
The command runs fine but after mounting it becomes clear that iso wasnt created properly.
I read that -split-output will make iso's of size 1 GB. But I saw the same output for this command too.
The Translation Table size was zero.(TRANS.TBL) (see the output from my last post).
So I am guessing I shall run inot the same problem again.
In the end, I was asking whether anybody knew how to mount multiple iso's created by -split-output onto one directory.