On Sun, Feb 09, 2014 at 11:14:08PM -0600, Damon Getsman wrote:
> I have an OpenBSD Virtual Machine (v.5.4) that, unfortunately, got shut
> down improperly the other day. This machine had a mounted partition
> /dev/rwd0j, which disklabel is reporting as a fstype of 4.2BSD (fsize 2048,
> bsize 16384, cgp 1). The partition is completely full with an encrypted
> filesystem image, which was mounted at the time of the evil shutdown. When
> I try to mount the (host [/dev/rwd0j]) partition, I receive an error
> telling me that the filesystem is not clean and I need to run fsck. When I
> manually run fsck, I am receiving an error that the 'version of filesystem
> is too old', and that I must update it to a more recent format with 'fsck
> -c 2', using a version of fsck that is from before release 5.0.
>
> Unfortunately, I have vital services on this virtual machine that I need to
> get running again as soon as possible for users other than myself. I have
> not been able to locate any archive with a binary version of fsck for i386
> from a release of OpenBSD prior to 5.0, nor am I able to find any way
> around this, at least during the first few dozen times ramming my head into
> the brick wall here. I would very much appreciate any ideas that anybody
> might have in order to get this filesystem clean and running again asap.
>
> Thank you muchly in advance!
Likely you superblock is corrupted, giving a spurious error message
concerning the fs version.
Try using an alternate superblock, using the -b option (see man page).
-Otto
