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Old 03-21-2007, 01:27 PM
macWish macWish is offline
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Join Date: Jun 2004
Posts: 75
OS X 10.4.9 and backup to disk image failure

Before updating to 10.4.9, I had made backup User Files from my iMac to a sparseimage on my MacBook over local network. No problems with initial backup or smart updates.

Then I updated both machines to 10.4.9. Subsequently, I made a smart backup of my user files without any apparent problem reported by SD. However, when I tried to mount the sparseimage on the MabBook, I got the following error message: "Disk image you are opening may be damaged..." According to Apple Knowledge Base article (, OS X 10.4.9 is more robust in its ability to detect damaged or corrupted disk images." I followed the suggested work-around of the article. First I duplicated the sparseimage with Disk Utility. Then I attempted to perform a disk repair of thedisk image with Disk Utility. The repair was unsuccessful and I got the following error message in Disk Utility:

"Verify and Repair disk "iMac Backup"
Checking HFS Plus volume
Checking Extents Overflow file
Checking catalog file
Invalid sibling link
Volume check failed.

Error: The underlying task reported failure on exit.

1 HFS voume checked
The volume could not be repaired because of an error.

So the question is: what next? Do I just make a fresh networkup backup to a new disk image or is this a OS X 10.4.9 problem that interferes with the function of SuperDuper?
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