Can't back up ISOs larger than 4 GB

[SciFer]

Hi, I'm not a newbie but I've never tried doing this until now. I created 8 different movies with Ulead DVD Workshop 2.0, I saved them on my hard drive as *.ISO. I've noticed that when I try to back up the actual iso (to a dvd-rw) that is 4.0 gb or larger, that it doesn't backup correctly. All the others that are under 4.0gb have no problem (verified iso after burn). When using "My Computer" and click once on Dvd drive it's in, on the left side (WinXP), under details, it will state the actual size of the file that it should be. But when you look inside to click on it once and view its detail, it shows ALOT smaller. Extracting it from the dvd-rw to hard drive gives me errors. I tried burning this in CDFS & UDF 1.02 file systems.

I'm assuming this is file system limitation like FAT. Is there anyway to do this with splitting it up? Is there another file system that can handle this?
If I do have to split it up can it be done in the iso format so that I can burn from the iso image off the dvd-rw media?

Thanks in advance

 

[scarecrow]

There are some programs which autosplit images to user-defined chunks, or just prefix values smaller than 4GB, to avoid FAT32 FS limitations. I have no idea if the Ulead programs do that, though.
Since you are running XP, why don't yu store the images to NTFS?

 

[roadworker]

The excellent DvdDecrypter has the option to split large files when ripping...

 

[SciFer]

Scarecrow - Can I format a DVD-RW to NTFS? I'm trying to back up the iso as an iso file onto a dvd-rw so that I can recover my hard drive space.

Roadworker - I don't believe DvdDecrypter will load the iso file then split it without first burning the image to dvd-r/rw (as regular extracted dvd-video with Audio_TS & Video_TS folders). But I guess if this is the only way then this sounds like a plan.

Thank you both

 

[scarecrow]

Scarecrow - Can I format a DVD-RW to NTFS? I'm trying to back up the iso as an iso file onto a dvd-rw so that I can recover my hard drive space.

Roadworker - I don't believe DvdDecrypter will load the iso file then split it without first burning the image to dvd-r/rw (as regular extracted dvd-video with Audio_TS & Video_TS folders). But I guess if this is the only way then this sounds like a plan.

Thank you both

I meant your HD, not the DVD media. By the way the DVD media cannot use "CDFS & UDF 1.02" filesystem. As for the image splitting thing, yes it will: Simply "burn" the initial ISO to a virtual drive first (eg Daemon Tools), and the rest are easy...
By the way why are you trying to store the image to DVD instead of burning it normally?

 

[SciFer]

The reason is because sometimes the the replication software today, like Pinnacle, sometimes tends to want to change the original slightly, and for compatibility & archiving purposes I wanted it untainted. These projects are for church purposes and will be distributed to many. From my experience, although technically it shouldn't matter if you're doing 1:1 copy, it has at times changed the compatibility. For example, when I created a backup of a movie using Pinnacle Instant Copy it would play great on my home dvd player but when I played it on my friend's dvd player it wouldn't. After I made the church project dvds I went to the same friends house and what was created by Ulead DVD Workshop 2.0 worked excellent, keep in mind that it was the same media from the same spindle. Since I put alot work into it I was trying to be a little extra safe (a little extra insurance) and protect my work by keeping the original iso, just incase.

 

[LTR12101B]

If you are saving an ISO, I would also suggest compressing it with RAR or 7-ZIP 7Z format. An ISO will normally compress by the same level as the contained files would, and archives have a degree of integrity validation that ISO files do not ... you can extract or test an archive, and it will TELL you if it's corrupted (and SOME archivers will allow you to add recovery data as well, so that some corruption can be repaired).

The ISO will be slightly larger than if it was burned as an image, as it contains structures that would not be part of the data ... is it that close to the limit.

If you are only using FAT32 on the hard disk partition, you CANNOT have a file larger than 4Gb, so if you already have a > 4Gb file, it must be in NTFS.