System won't boot.

[Chris Davis]

I sat down at my system yesterday, and had no network access of any kind, and it 
seemed that my local disk access was ok.  I did some basic looking around, and 
figured I'd boot the system before expending much more energy on 
troubleshooting.  (There was a pending reboot in any case.)

Well, when I rebooted I got the following error.  Any ideas?

init: hwclock main process (246) killed by SEGV signal 7b6ca88
init: plymouth main process (248) killed by BUS signal
exec: 14: mountall: Input/output error
init: mountall main process (252) terminated with status 2
init: Failed to spawn console-setup main process: unable to execute: 
input/output error
init: plymouth-stop pre-start process (255) terminated with status 2
Filesysem check or mount failed.
A maintenance shell will now be started.
CONTROL-D will terminate this shell and continue booting after re-trying
filesystems.  Any further errors will be ignored
/proc/self/fd/8: 20: /sbin/sulogin: Input/output error
init: mountall-shell main process (256) terminated with status 2
exec: 10: start: Input/output error
init: mountall-shell post-stop process (258) terminated with status 2

I can't escape back to the boot process, the machine is effectively dead. 
 Apparently there must be something wrong with the OS since it fails the fsck or 
the mounting of the drive.  At least that's what it appears to me.  Any ideas 
about 1) recovering and rebooting the drive?  2) mounting it on another system 
and pulling the data I need off to an outboard drive?  

Thanks.
Chris
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