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Spanning Disc Image

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#1 katzPajamaz



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Posted 29 April 2011 - 08:20 PM

I am trying to archive a backup disk image of my system. I have already created the disk image with a cloning utility. Because of the system size, the disk image requires multiple DVDs to burn. I have tried burning using the span disc option, but each time halfway through the verification process I get an error message like "sector 1445312 unreadable" and Toast spits out the disk and requests a new disk to start writing disc one all over again. I have done this three times and each time the verification has failed at the same point.

The disk image is good because I have used it to restore the system via Disk Utility, mounted and tested it as an operable system.

Does anyone have any ideas what could be causing this or what to do to correct it? I am attempting this burn in Leopard. Would another operating system be a better one to try?

Thank you for any and all assistance.

UPDATE: I discovered that the erroring out was caused by the optical drive. I managed to get the file spanned using another computer/optical drive. HOWEVER, after restoring the spanned image and attempting to mount it as a test, it failed repeatedly. This MUST be something that Toast is doing or leaving out of the file since I have already mounted the unspanned, un-Toast-ed disk image using Leopard's disk utility. Does anyone have any experience with this?

Edited by katzPajamaz, 30 April 2011 - 12:41 AM.

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