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New USB thumb drives - Invalid B-Tree node size

3367 Views 9 Replies Latest reply: Aug 24, 2012 8:05 PM by diffengr RSS
damienfromqld Level 1 Level 1 (10 points)
Currently Being Moderated
Aug 8, 2012 6:27 AM

When trying to create a USB flash boot drive from the Mountain Lion image (4.348GB) using 2 brand new SanDisk Extreme USB thumb drives (8GB & a 16GB) the process concludes with " Restore Failure" & "Could not restore - Invalid argument" as shown below:failed_OSX_USB_boot.jpg

 

After performing a verification of the partition I get this:

 

Verify and Repair volume “Mac OS X Install ESD”

Checking file systemChecking Journaled HFS Plus volume.

Invalid B-tree node size

The volume   could not be verified completely.

Volume repair complete.Updating boot support partitions for the volume as required.Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.

 

I have reformatted the disc as FAT and used a PC to run in through Defrag and Scandisk. No issues showing up on either tools, no bad sectors and the drive sizes are showing correctly.

b-tree node size.jpg

 

Why do I get this error? Is the ML image faulty? Please help me out here.

 

 

 

Thanks & Regards,

Damien

iPhone 4S, iOS 5.0.1, Mac OSX 10.6.8 & iTunes 10

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