Path: utzoo!attcan!uunet!ogicse!dali!uakari.primate.wisc.edu!sdd.hp.com!ucsd!ucbvax!van-bc! From: lphillips@lpami.wimsey.bc.ca (Larry Phillips) Newsgroups: comp.sys.amiga Subject: Re: HD Problems (& maybe solutions) Message-ID: <1667@lpami.wimsey.bc.ca> Date: 1 Jun 90 00:36:15 GMT Lines: 42 Return-Path: To: van-bc!rnews In <8fgk02eUab6S01@amdahl.uts.amdahl.com>, dwl10@uts.amdahl.com (Dave Lowrey) writes: >In article <1665@lpami.wimsey.bc.ca> lphillips@lpami.wimsey.bc.ca (Larry Phillips) writes: >>In <20679@snow-white.udel.EDU>, jones@uv4.eglin.af.mil (Calvin Jones, III) writes: >>>Fred Fish writes (In response to Dale Luck's query >>> about HD problems): >> >>The way to find out what two entries are pointing at the same place is to write >>a program that does the same thing, but instead of stopping when it finds a key >>already set, have it remmeber the key, and start the scan over again, looking >>for that same key. When it is found, report the two files/directories that are >>pointing at the same block, and report them, optionally allowing you to recover >>on the spot, or with a sector editor. >> >Be carefull with this one! Yup... definitely needs sanity checking. >I went on for several weeks thinking my HD or controller was bad, when >they really wern't.. > >Disksalv was coming up with some "bad header blocks". These were headers >that pointed to valid files. However, I found out that the headers >themselves were never pointed to by a "directory". > >Fo some reason, these invalid, but never referenced, headers were being >created by DOS when I restored my freshly formatted HD. There were >only about 3 of them (out of several thousand files), but they caused me >alot of grief until I figured out what was going on. Can't see how they were being created by the Dos, but they could certainly have been parts of files that were restored. -larry -- The raytracer of justice recurses slowly, but it renders exceedingly fine. +-----------------------------------------------------------------------+ | // Larry Phillips | | \X/ lphillips@lpami.wimsey.bc.ca -or- uunet!van-bc!lpami!lphillips | | COMPUSERVE: 76703,4322 -or- 76703.4322@compuserve.com | +-----------------------------------------------------------------------+