Subject: Re: Partitions and superblocks
To: Colin Wood <ender@is.rice.edu>
From: T. Sean (Theo) Schulze <71410.25@CompuServe.COM>
List: port-mac68k
Date: 03/01/1997 19:04:00
>> When I booted single user and run "fsck -f", I get an error message that 
>> /dev/sd2a has "BAD SUPERBLOCKS : MAGIC NUMBER IS WRONG. /dev/sd2b checks 
>> out clean. Thinking that perhaps the first area of the disk is reserved 
>> for the driver, etc. I changed sd2a to sd2b and sd2b to sd2c.  When I ran 
>> fsck on this, sd2b checked clean, but sd2c had the bad superblocks.
>>
>> Any advice on how I can get this disk up and running with two partitions 
>> on it?  I've been through the "red book" and the man pages on fsck, newfs 
>> and dislabel; did I miss something?
>
>When you create additional usr type partitions, they are _not_ sdXa or 
>sdXb.  The sdXa partition is for root or root&usr partitions only I 
>believe.  The sdXb partition is always for swap (I think).  The sdXc 
>partition is access to the raw disk itself.  So, that leaves sdXd, sdXe, 
>sdXf, sdXg, and sdXh to put any usr type partitions on.  However, 
>there are also to Mac partitions, the Partition Map and the Driver 
>Partition which usually take up sdXd and sdXe, so the chances are your 
>partitions are on sdXf and sdXg.  You'll probably want to do a 
>
>disklabel sd2
>
>just to be sure that they are on f and g.


Hmm...I will try this.  I did try a dislabel, but it told me that the 
disk had no label.  I am wondering now if I was too specific in the 
arguments I set for disklabel.  I will try it again tomorrow morning and 
let you know.

Thanks,

Sean.


                 T. Sean (Theo) Schulze
71410.25@compuserve.com           TSSchulze@aol.com
theodore.schulze@metronet.de      tsschulze@t-online.de
******************************************
Custom reconciles us to everything.  -- Edmund Burke