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You are here: MacNN Forums > Enthusiast Zone > Classic Macs and Mac OS > Disk Error with OS 9.1

Disk Error with OS 9.1
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Mac Enthusiast
Join Date: Feb 2000
Location: Old Dominion University, Norfok, VA
Status: Offline
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Jan 11, 2001, 05:18 PM
When I started the install for Mac OS 9.1 it told me that Disk First Aid found a problem with the disk and could not repair it. After installation I went back and tried to repair the disk but gave me the following:

Checking disk “iMac HD”.
Checking "Mac OS Standard" volume structures.
Checking wrapper System file.
Checking "Mac OS Extended" volume structures.
Checking for locked volume name.
Checking extent BTree.
Checking extent file.
Checking catalog BTree.
Checking catalog file.
Problem: Invalid PEOF, 32268, 170
Test done. Problems were found, but Disk First Aid cannot repair them.

I didn't have these problems with 9.0.4. Anyone know what this means or has anyone had this error other than me?

BTW, the drive is not the original factory installed 4GB drive that came with my Rev. B iMac. It's a 30GB Digital Western... if that makes any difference. Also, Drive Setup was successfully able to update the driver to the disk.

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Grizzled Veteran
Join Date: Sep 1999
Status: Offline
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Jan 11, 2001, 07:22 PM
If you don't have Disk Warrior (essential utility) then Norton or TTPro... hopefully a backup - the early iMac there was a scsi card that was sold that fit into the lower slot - no longer available - better than trying to backup 20GB via USB...

That invalid end of file pointer needs to be repaired and reinitializing the drive may be only choice. Can you pull it and put it in another system? Borrow a CD of Norton or DW until yours arrives? (I would definitely have at least one disk utility besides Disk First Aid).

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