Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!iuvax!cica!tut.cis.ohio-state.edu!cs.utexas.edu!usc!ucsd!helios.ee.lbl.gov!nosc!crash!pnet01!jca From: jca@pnet01.cts.com (John C. Archambeau) Newsgroups: comp.unix.xenix Subject: Re: Corrupted Filesystem * IDEAS * Message-ID: <2527@crash.cts.com> Date: 5 May 90 20:56:03 GMT Sender: root@crash.cts.com Organization: People-Net [pnet01], El Cajon CA Lines: 27 X-Local-Date: 5 May 90 13:56:03 PDT rick@crash.cts.com (Rick Stout) writes: >In article <3295@auspex.auspex.com> guy@auspex.auspex.com (Guy Harris) writes: >>>I've yet to see a disk drive without a second superblock at 16 (/etc/fsck -b16) >> >>I've seen plenty of them. >> >>Some of them were running the BSD file system; they had it at 32, not 16. >> > >Whats the purpose of a second superblock? >If the first one is corrupted can you boot off the second? > >-Rick Or if a bad spot manifests itself at the first superblock. // JCA /* **--------------------------------------------------------------------------* ** Flames : /dev/null | Xenix is the ONLY thing ** ARPANET : crash!pnet01!jca@nosc.mil | Microsoft did right. ** INTERNET: jca@pnet01.cts.com ** UUCP : {nosc ucsd hplabs!hd-sdd}!crash!pnet01!jca **--------------------------------------------------------------------------* */