Take the 2-minute tour ×
Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

I have a 30 GB zip file containing an archive of digital materials available in the school library that I want to burn to DVD. Of course, 30 Gb is far too large for a single DVD and the content is already zipped. I'm open to ideas, but leaning towards suggestions that will help me automatically spread the file over multiple DVDs, including a simple program to stitch it back together again later.

share|improve this question

5 Answers 5

up vote 7 down vote accepted

The easiest solution is probably to just split the file, then re-concatenate it before unpacking.

There are many file splitting programs available. On Linux/Unix, split -b will work fine; on Windows, see e.g. http://superuser.com/questions/94083/how-to-split-large-file-on-windows .

That said, this has the disadvantage that you need to get all the DVDs and re-concatenate the file on disk before you can read anything. Maybe another approach is better?

Options would be:

  • put everything on a portable harddrive
  • create a multi-volume zip archive
  • zip parts of the data individually to create multiple smaller zip files
share|improve this answer
1  
I like the portable hard drive idea. We have a small number of those lying around I could put in an enclosure and then put away somewhere safe. Probably last longer, too. I could even pre-unzip the files. –  Joel Coehoorn Mar 24 '10 at 17:09

7-Zip on Windows supports spanning. Simply select "4480M - DVD" from the "Split to volumes, bytes" dropdown in the "Add to Archive" window.

share|improve this answer

You want Disc Spanning, http://en.wikipedia.org/wiki/Disc_spanning.

I haven't used this since my 3.5" disk days but it is still valid. The wiki article has links to a freeware and an open source program that will span DVDs.

share|improve this answer

hi write your dvd with the program toast titanium pro v 10 , the toast program when selecting the type of dvd in toast program , select that kind you have (for example dvd 5 4.7 GB) , the toast automaticlly split your file for some dvd , after burning you use your dvds , automatically a program run and ask you to save your file or files on hard disk , after reading first dvd ask you for others. that kind of writing works in windows and mac . it's perfect , no matter your file is zip or others files .

share|improve this answer

Just to add to @sleske's reply, I'd copy the 30Gb file to more than one hard drive and store in different places, just in case one gets trashed.

share|improve this answer

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.