filesystem weirdness :(

[James Mabry]

James Mabry wrote:

> Hey all,
> I'm using Debian unstable and have been very pleased as I have not run 
> into many problems...until now.
>
> I wanted to convert my filesystems from ext2 to ext3 so to be safe I 
> booted my machine with knoppix. I used tune2fs -j on /dev/hda1 (/) and 
> /dev/hda6 (/home) successfully but when I tried it on /dev/hda7 (/usr) 
> I got the following error:
>
> "tune2fs: Bad magic number in super-block while trying to open 
> /dev/hda7 couldn't find valid filesystem superblock."
>
> I thought I specified the wrong device but /usr is in fact /dev/hda7. 
> I booted back into my normal debian install (no longer using knoppix) 
> and was very surprised to see that only /dev/hda1 (/) was mounted yet 
> I was still able to access /home and /usr! What's going on here :(!?!
>
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Grrr....I believe I just figured it out as my root filesystem is 965MB. 
I must have hastily skipped over assigning /home and /usr extra 
partitions so everything ended up on hda1...oh well *fires up the 
installer again* :(.