home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!charon.amdahl.com!pacbell.com!sgiblab!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!bu.edu!wang!fredj
- From: fredj@wang.com (Fast Freddie)
- Newsgroups: comp.sys.hp
- Subject: Re: My first root filesystem corruption. :-(
- Keywords: pathetic unix integrity unsuitable mission-critical
- Message-ID: <BxM1uJ.53E@wang.com>
- Date: 12 Nov 92 16:01:30 GMT
- References: <Bwr5ts.GBJ@spock.dis.cccd.edu> <1992Oct30.115731.17557@cc.ic.ac.uk> <BwxuM7.Evs@mentor.cc.purdue.edu> <7809@charon.cwi.nl>
- Sender: news@wang.com
- Organization: Wang Labs, Lowell MA, USA
- Lines: 25
- Nntp-Posting-Host: wonk.wang.com
-
- dik@cwi.nl (Dik T. Winter) writes:
-
- >In article <BwxuM7.Evs@mentor.cc.purdue.edu> jws@anaconda.cc.purdue.edu (Jeff W. Stewart) writes:
- > > I don't believe the AIX JFS replaces the need for fsck and I don't
- > > think it makes it any faster (though it might). It does, however, do a
- > > very good job of maintaining file system integrity, reducing the need
- Jeff,
- Even though IBM furnishes an fsck utility i believe that it dosen't
- really go through the 5 or 6 steps that a real fsck would do on a normal
- unix filesystem. The on supplied by AIX really does'nt do very much,
-
- > > to run fsck.
- > >
- > > Not long after we had installed two IBM RS/6000s, we had a power failure.
- > > I watched the machines come back up expecting lots of file system
- > > damage but instead I saw the messages "File system shut down cleanly,
- > > not checking" and I said to myself, "No, no, no. This can't be." I
- > > shut down the machines and ran fsck by hand. The only thing discovered
- > > was an island (created by a "root" program removing a directory that
- > > wasn't empty) on one file system.
- >In which case it would have been better if fsck had been run on boot.
- >So here the system gives you a bad sense of security.
- >--
- >dik t. winter, cwi, kruislaan 413, 1098 sj amsterdam, nederland
- >home: bovenover 215, 1025 jn amsterdam, nederland; e-mail: dik@cwi.nl
-