Date: Sun, 26 Sep 1999 12:14:37 +0200 From: Jan Pechanec <pechy@hp735.cvut.cz> To: andrew@ugh.net.au Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Corrupt File System Message-ID: <Pine.SGI.4.05.9909261211290.15710-100000@akat.civ.cvut.cz> In-Reply-To: <Pine.BSF.4.10.9909261418210.23379-100000@beebite.ugh.net.au>
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On Sun, 26 Sep 1999 andrew@ugh.net.au wrote: Isn't you partition table corrupted? What does it mean ``No bootmanager sees it''? If BootEasy doesn't display FBSD partition in its menu, the partition table in MBR is bad. If BootEasy can see it, but refuses to load the system, the problem is with the FreeBSD partition itself, probably. Jan. >Hi, > >I have an 8GB IDE HD with FreeBSD on the last (4th) partition. I tried to >install Rhapsody (MacOS X) DR2 the other day and now I cant find FreeBSD >(No bootmanager sees it)...If I boot FReeBSD from a seperate HD and >try and mount the partions I get: > >incorrect super block > >I have tried the dd and vnconfig trick posted to the list a while ago. > >I get outputs like: > ><snip> >fs at block # 526784 last mounted on /usr f->fs_ncyl=1840 > (1 4096 4096 = 7536640) >fs at block # 526800 last mounted on f->fs_ncyl=1840 > (1 4096 4096 = 7536640) >fs at block # 592336 last mounted on f->fs_ncyl=1840 > (1 4096 4096 = 7536640) ><snip> > >I then type: > >dd if=/dev/rwd2s4 of=usr.raw bs=512 skip=526783 count=7536640 >vnconfig /dev/vn0c usr.raw > >skip is one less than the number given in the output to make sure the >first block is included. When I try to fsck /dev/rvn0c I get: > >** /dev/rvn0 >BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST >ALTERNATE >ioctl (GCINFO): Inappropriate ioctl for device >fsck: /dev/rvn0: can't read disk label > >Trying to mount /dev/vn0 Produces a file /mnt (not a directory) > > >Any suggestions? > >Thanks, > >Andrew > > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-hackers" in the body of the message > -- Jan PECHANEC (mailto:pechy@hp735.cvut.cz) Computing Center CTU (Zikova 4, Praha 6, 166 35, Czech Republic) http://www.civ.cvut.cz, tel: +420 2 2435 2969, http://pechy.civ.cvut.cz To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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