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Old 04-10-2012, 03:10 PM   #1
Join Date: Nov 2006
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Question HELP: Cannot restore DMG image stored on NTFS disk!

Hello. My MacBook Pro has OSX Lion on it.

I have created a DMG image of my starting volume using Disk Utility. The image was saved on an NTFS formatted external USB disk. I used Paragon NTFS for Mac to activate writing on NTFS partitions. The image was created, tested and it mounted fine. It's size is 105GB.

I have restarted the system and am accessing Disk Utility from the recovery partition that OSX Lion creates. Disk Utility can see the NTFS disk and I can choose the DMG image as source and the partition on the internal hard disk as a target without problems but when I press the restore button and the Image scan process is going to start I just get an error that says "Unabke to scan Mac-OSX HD. Resource busy". When I try the SCAN BEFORE RESTORE command on Disk Utility on the image I am getting "Unable to scan MAC IMAGE.DMG (Not such file or directory)".

I have already erased my startup disk and really need to get this image back in place. It is the only backup I have of my data.

Any help is greatly appreciated!
Thorz is offline   Reply With Quote
Old 04-10-2012, 04:35 PM   #2
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You may need to copy that image to a Mac-formatted disk before it will open.
DeltaMac is offline   Reply With Quote
Old 04-11-2012, 11:03 AM   #3
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Hmmm, I don't think that's true. .dmg was introduced in OS X because the older Mac standard, .img from the Classic Mac OS, required resource forks. .dmg specifically did not require resource forks, so I can't imagine why in a general way, a .dmg would need to be saved on Mac-formatted disks.

If it isn't opening from an NTFS-formatted disk, then either the .dmg file is corrupt, or there's some filesystem problem with the drive. I don't believe that the problem is just a general issue when a .dmg file is saved on an NTFS drive.

trevor is offline   Reply With Quote
Old 04-11-2012, 09:04 PM   #4
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Apologize in advance as I am non stating something helpful to you at the moment... People should have multiple backup drives and preferably bootable Clones like from Carbon Copy Cloner or Super duper. ** Always test back ups before nuking your source copy.

*** Unless someone has another thought I would get at least one more drive format it HFS journaled and copy the image to that drive and try again.

Good Luck.
anthlover is offline   Reply With Quote

disk utility, image, ntfs, restore

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