[nycbug-talk] drives swapped around - bad superblock
alex at pilosoft.com
Fri Aug 31 12:46:49 EDT 2007
On Fri, 31 Aug 2007, Judd Maltin wrote:
> I find it very interesting that I can mount /dev/ad6s1c just fine, that
> /dev/ad5s1c also mounts just fine.. but not when I reboot. I get bad
what's the exact error?
> So, I've been a Linux guy for some time, so I try to fsck -t 4.2bsd
> /dev/ad5s1 (guessing at the type from the above):
> # fsck -t 4.2bsd /dev/ad5s1c
> ** /dev/ad5s1c
> BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST
> /dev/ad5s1c: NOT LABELED AS A BSD FILE SYSTEM (unused)
why are you specifying the -t option? what happens if you don't?
> That partition holds all of our backups for the past 6 months. I can't
> lose it. Oh, and it's in California.
If you can mount, copy data away, trash it. Safer than messing around when
you aren't sure what you are doing.
> Uh-oh. This is where I stop. I need a FreeBSD superhero at this point.
> I need to perform a little surgery here on this disk, slice and
> partition, and I don't want to mess up.
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