On Tue, 6 Jan 2004 11:39:57 -0800 (PST) "Scott I. Remick" <[EMAIL PROTECTED]> probably wrote:
> > --- Sergey 'DoubleF' Zaharchenko <[EMAIL PROTECTED]> wrote: > > I think you already have a copy (the data at offset 32 seems to be it). > > If you want, do a > > > > # dd if=/dev/ad6s1 skip=16 count=16 of=/some/file > > ok, done. Is there a way to use fsck_ufs -b now to fix this? Or is that > premature? And if I remember correctly, that doesn't actually APPLY the > alternate superblock... it just allows fsck to run while utilizing an > alternate one. So we need to use some sort of dd command to copy it to the > proper location, correct? > > > Please tell me everything what you tried to use to mount/fsck the drive > > (and the results, of course). > > Well, my memory is sketchy so I don't know how much use it'd be. But I was > saving a file to /data (ad6) when the system hung. Then it rebooted on its > own. Of course fsck ran on bootup but it gave up and told me I had to run it > manually. When I did (I don't remember any parameters I specifically used, > if any) I got: > > /dev/ad6s1c > Cannot find file system superblock > /dev/ad6s1c: NOT LABELED AS A BSD FILE SYSTEM > > I remember there being some of the other common message for little things > that you just tell it to go ahead and fix. But the above error was a brick > wall and would keep me from going multi-user. Ultimately I had to > comment-out the line in fstab: > > #/dev/ad6s1c /data ufs rw 2 2 > > So I could at least boot. And that's the way I've been ever since. > > Trying to mount it now gives: > > su-2.05b# mount -r /dev/ad6s1c /data > mount: /dev/ad6s1c on /data: incorrect super block > > And so we stand. > > > Try booting from a 4.x floppy and doing it all over again... The FS is > > UFS1, isn't it? > > Ummm... doing what all over again? I mean trying to mount it, to fsck it, using dd|hd to find the superblock, etc. I just want to be *really* sure we know what we are doing. While we are on that, do you have an empty disk to copy this disk's contents to? I'm not sure, but maybe I have an idea... > Wipe the disk and redo the partitions? I > hope we're not quite there yet. How does using 4.x give me an advantage over > 5.1? I'm not clear on that part. Simplicity. > > > _______________________________________________ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > -- DoubleF Lackland's Laws: (1) Never be first. (2) Never be last. (3) Never volunteer for anything
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