Article View: comp.sys.mac
Article #23013Re: HFS Flames
From: Rick Daley
Date: Fri, 18 Dec 1987 01:24
Date: Fri, 18 Dec 1987 01:24
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1223 bytes
In article <3580@husc6.harvard.edu>, singer@endor.harvard.edu (THINK Technologies) writes: > My question: why the HELL isn't there any redundancy in the filesystem? > Any self-respecting file system (unix comes to mind) has copies of the > directory stored elsewhere, and can fall back on these copies if necessary. Unfortunately, I'm no HFS expert and can't really answer your question. But, I do know my way around System V (AT&T) and pre 4.2 BSD UNIX file systems. They do not have any sort of directory redundancy. I've had a similar experience with bad disks under UNIX and things get just as messy. BSD 4.2 introduced a new file system and I never learned all of the details. However, if there are multiple copies of directory stuff in 4.2, it's news to this UNIX hacker... Rick Daley rpd@apple.uucp
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!think!ames!amdahl!pyramid!voder!apple!rpd From: rpd@apple.UUCP (Rick Daley) Newsgroups: comp.sys.mac Subject: Re: HFS Flames Message-ID: <7054@apple.UUCP> Date: 18 Dec 87 01:24:02 GMT References: <3580@husc6.harvard.edu> Organization: Apple Computer, Inc., Cupertino, USA Lines: 14 Summary: UNIX System V does not store redundant directories