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Re: SCSI Major/Minor Information

daemon@ATHENA.MIT.EDU (Drew Eckhardt)
Mon Apr 5 17:22:49 1999

To: "Info Resource" <mlist@theoffice.net>
cc: linux-scsi@vger.rutgers.edu
In-reply-to: Your message of "Mon, 05 Apr 1999 21:05:56 +1000."
             <000001be7f6e$89931340$6664a8c0@ron098> 
Date: 	Mon, 05 Apr 1999 12:32:43 -0600
From: Drew Eckhardt <drew@Poohsticks.Org>

In message <000001be7f6e$89931340$6664a8c0@ron098>, mlist@theoffice.net writes:
>>Loading aha1542 module
>>scsi: 0 hosts
>>/lib/aha1542.o : init_module: Device or resource busy
>>VFS: cannot open root device 08:05
>>Kernel Panic: VFS: Unable to mount root fs on 08:05
>
>
>Can someone point me in the right direction as to how to interpret the above
>numbers? Specifically, the 08:05 .. I've seen 08:06 ??

major
8 = SCSI disk 
minor / 16 = disk number
minor % 16 
0 = whole disk
1-4 = regular partitions
5-15 extended partitions 

In this case, it's not relevant.  You are mounting root off a SCSI disk, 
although your distribution lacks the correct driver or you have some other
problem.  



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