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From: dbarnhar@oiscola.Columbia.NCR.COM
Newsgroups: comp.sys.mac.misc
Subject: The dreaded "Folder from Hell" problem revisited
Message-ID: <193@oiscola.Columbia.NCR.COM>
Date: 4 Jun 90 23:15:24 GMT
Reply-To: dbarnhar@oiscola.UUCP (David C. Barnhart II)
Organization: NCR/OISD Columbia
Lines: 29


Drat!  I have just inherited the dreaded "Folder from Hell" problem.  The
other night, the Hard disk was working just fine when I got a "directory
error".  I stopped what I was doing and checked the disk with Disk First
Aid.  Sure enough, when checking the "Catalog Btree", Disk First Aid gave
up, with "Unable to verify status of disk".  Sum Quick Fix said there was
nothing wrong with the disk after checking the directory.  I have two folders
with this problem, one that can not be trashed, and the other can't be
opened or trashed.  After checking out the disk, it not only appears that
some of my btree entries don't really point to files, they also don't point
to each other correctly.  Unfortunately, I don't know enough about the
directory structure to fix the tree with just a sector editor.  Is there any
information available to tell me what the structure is?  Has anyone out there
done this before?

I would like to try to fix up the disk.  If I screw it up and have to reformat
and restore from floppy, that's OK, but if I'm going to have to do that, I'd
like to take a crack at fixing it up first.  In addition to information about
the structure and format of the disk, are there any other utilities, PD or
commercial or otherwise that would allow me to look at the Btrees in a
symbolic or meaningful manner and restore the structure?

Any information will be appreciated.  Thanks.


Dave Barnhart
NCR Cooperative Computing Systems Division
3245 Platt Springs Rd.
West Columbia, SC  29169    email: uunet!ncrlnk!ncrcae!secola!oiscola!dbarnhar