How to do incremental backups on DVD-RWs?

jprint714 · jprint714 #1 (**permalink**)

11-10-2009, 02:46 AM

I'm trying to figure out how to set up weekly scheduled backups of a disk image onto a DVD-RW. Is there a way to use the same the same DVD-RW for regularly scheduled incremental backups (even if if I have to automatically reburn the DVD-RW)? Can anyone advise me how best to accomplish this? I've tried using Get Backup w/ Toast Titanium, but it doesn't work. Any other ideas / suggestions? Thanks!

chscag · chscag #2 (**permalink**)

11-10-2009, 04:48 PM

In a word of advice: Don't use DVD RW media for backups, and for that matter, don't use any kind of DVD media for regular backups. Not only is it a slow, slow process, but it's also unreliable. DVD media works great for storage of photos, short videos, music, and the like; but not for backing up a hard drive.

Another fact: Currently, OS X does not support multi-session writing to DVD media. Which means that even a DVD RW disk would have to be first erased before it could be written to again. Very inconvenient and slow.

I wouldn't even consider using DVD media for backing up in Windows. And Windows does support multi-session writing.

Regards.

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jprint714 #1 (permalink)
Member Since: Feb 22, 2009 Posts: 22	11-10-2009, 02:46 AM I'm trying to figure out how to set up weekly scheduled backups of a disk image onto a DVD-RW. Is there a way to use the same the same DVD-RW for regularly scheduled incremental backups (even if if I have to automatically reburn the DVD-RW)? Can anyone advise me how best to accomplish this? I've tried using Get Backup w/ Toast Titanium, but it doesn't work. Any other ideas / suggestions? Thanks!
	QUOTE Thanks

chscag #2 (permalink)
Member Since: Jan 23, 2008 Location: Fort Worth, Texas Posts: 42,697 Mac Specs: 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, 3 iPods, Yosemite	11-10-2009, 04:48 PM In a word of advice: Don't use DVD RW media for backups, and for that matter, don't use any kind of DVD media for regular backups. Not only is it a slow, slow process, but it's also unreliable. DVD media works great for storage of photos, short videos, music, and the like; but not for backing up a hard drive. Another fact: Currently, OS X does not support multi-session writing to DVD media. Which means that even a DVD RW disk would have to be first erased before it could be written to again. Very inconvenient and slow. I wouldn't even consider using DVD media for backing up in Windows. And Windows does support multi-session writing. Regards.
	QUOTE Thanks

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