incorrect superblock error when mounting partition

[Dave]

Hello,
Thanks for your reply. Below is the requested information, and no it is 
showing ad1e not ad1s1e.
Dave.

Script started on Sun Feb 19 07:56:47 2006
root at webserver:/dev#ls ad1*
ad1 ad1a ad1b ad1c ad1d ad1e ad1f ad1g
root at webserver:/dev#fdisk /dev/ad1
******* Working on device /dev/ad1 *******
parameters extracted from in-core disklabel are:
cylinders=19386 heads=16 sectors/track=63 (1008 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=19386 heads=16 sectors/track=63 (1008 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
<UNUSED>
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
    start 0, size 50000 (24 Meg), flag 80 (active)
 beg: cyl 0/ head 0/ sector 1;
 end: cyl 1023/ head 254/ sector 63
root at webserver:/dev#bsdlabel /dev/ad1
# /dev/ad1:
8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:   266240       16    4.2BSD     2048 16384 16648
  b:   524288   266256      swap
  c: 19541024        0    unused        0     0         # "raw" part, don't 
edit
  d:  7340032   790544    4.2BSD     2048 16384 28552
  e:  8388608  8130576    4.2BSD     2048 16384 28552
  f:  2097152 16519184    4.2BSD     2048 16384 28552
  g:   921600 18616336    4.2BSD     2048 16384 57608
bsdlabel: partition c doesn't cover the whole unit!
bsdlabel: An incorrect partition c may cause problems for standard system 
utilities
root at webserver:/dev#bsdlabl el /dev/ad1s1
bsdlabel: /dev/ad1s1: No such file or directory
root at webserver:/dev#bsdlabel /dev/ad1s2
bsdlabel: /dev/ad1s2: No such file or directory
root at webserver:/dev#bsdlabel /dev/ad1s3
bsdlabel: /dev/ad1s3: No such file or directory
root at webserver:/dev#bsdlabel /dev/ad1s4
bsdlabel: /dev/ad1s4: No such file or directory
root at webserver:/dev#exit
exit

Script done on Sun Feb 19 08:02:34 2006

----- Original Message ----- 
From: "Glenn Dawson" <glenn at antimatter.net>
To: "Dave" <dmehler26 at woh.rr.com>; <freebsd-questions at freebsd.org>
Sent: Sunday, February 19, 2006 5:01 AM
Subject: Re: incorrect superblock error when mounting partition


> At 01:45 AM 2/19/2006, Dave wrote:
>>Hello,
>>    I've got a 10 gb ide drive that has critical data on one of it's 
>> partitions /dev/ad1e. This drive was originally gmirrored in another box 
>> it worked fine, it was the master drive. Now i've installed this drive as 
>> a slave in another 6.0 box, and now it shows up as ad1 with the partition 
>> i want being ad1e. I did a mount -o ro /dev/ad1e /mnt and i'm getting an 
>> error "Incorrect superblock" from mount. I then tried fsck /dev/ad1e and 
>> got the same error msg. These partitions were formatted with ufs2 as 
>> their filesystem. I then ran bsdlabel ad1 and got a printout of my label, 
>> this showed up which gives me hope that this data can be retrieved. An 
>> error i'm getting says that the c: partition does not cover the entire 
>> disk and that may result in utilities not working. Any help appreciated.
>>    Some urgency!
>
> Are you sure you don't want ad1s1e?
>
> Also, posting the output from the following commands would go a long way 
> in helping you figure out what to do:
>
> fdisk /dev/ad1
> bsdlabel /dev/ad1
> bsdlabel /dev/ad1s1
>
> And possibly:
> bsdlabel /dev/ad1s2
> bsdlabel /dev/ad1s3
> bsdlabel /dev/ad1s4
> depending on what fdisk shows.
>
> -Glenn
>
>>Thanks.
>>Dave.
>>
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