HFS Disk checker

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Article #7048

#7048

From: Stew Rubenstein
Date: Fri, 05 Sep 1986 04:00

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Does anyone know of a program (commercial or otherwise) which checks
the bitmap, extent, and catalog files of an HFS disk for consistency?
Something that reports blocks marked as allocated but not assigned
to any file, blocks multiply allocated, etc?

Failing that, does anyone have any example code which reads these
files for any purpose?  The program ought not be hard to write...

The other day, I found out something was wrong when FEdit plus crashed
when trying to open a file (any file) from my hard disk.  Everything
seemed OK from the Finder, but I did a backup, reinit and restore
anyway.  Anyone have any tools at all for helping to cope with this
situation?

Stew
rubenstein@endor.harvard.edu
seismo!harvard!lhasa!stew

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!husc6!endor!stew
From: stew@endor.harvard.edu (Stew Rubenstein)
Newsgroups: net.micro.mac
Subject: HFS Disk checker
Message-ID: <205@husc6.HARVARD.EDU>
Date: Fri, 5-Sep-86 00:00:55 EDT
Article-I.D.: husc6.205
Posted: Fri Sep  5 00:00:55 1986
Date-Received: Fri, 5-Sep-86 03:18:02 EDT
Sender: news@husc6.HARVARD.EDU
Reply-To: stew@endor.UUCP (Stew Rubenstein)
Distribution: net
Organization: Harvard Chemistry Department
Lines: 17
Keywords: HFS, filesystem