Corrupted Filesystem * IDEAS *

[Rick Stout]

In article <2527 at crash.cts.com> jca at pnet01.cts.com (John C. Archambeau) writes:
>rick at crash.cts.com (Rick Stout) writes:
>>In article <3295 at auspex.auspex.com> guy at auspex.auspex.com (Guy Harris) writes:
>>>>I've yet to see a disk drive without a second superblock at 16 (/etc/fsck -b16)
>>>
>>>I've seen plenty of them.
>>>
>>>Some of them were running the BSD file system; they had it at 32, not 16.
>>
>>Whats the purpose of a second superblock?
>>If the first one is corrupted can you boot off the second?
>>
>>-Rick
>
>
>Or if a bad spot manifests itself at the first superblock.
> 
>     // JCA
So how do you boot off the second superblock?

Do you have to boot off a boot and root floppy, mount the
hard disk and recover the superblock somehow?

-Rick