Bad magic number in disk label.


 
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Operating Systems Solaris Bad magic number in disk label.
# 22  
Old 06-10-2015
ATA transport errors?
Your disk is broken!
(Or the IDE cable is broken; but this can only happen if the box was physically treated.)
# 23  
Old 06-10-2015
Power down

Reseat the disk cables, both data and power supply. Also, reseat the other end of the data cable (if there is one) eg, on the motherboard or wherever.

Run the fsck again and see if the result is the same.
# 24  
Old 06-13-2015
Have done changing cables but not helping....thanks a lot ....
# 25  
Old 06-14-2015
Boot the system from CD into single user (# prompt).

Please post the output of:

Code:
# newfs -N /dev/rdsk/c0t0d0s0

# 26  
Old 06-16-2015
Good day hicksd8...thanks for the continual support...the attached file is the result...
Bad magic number in disk label.-capture_3jpg
# 27  
Old 06-16-2015
Hmmmmm!!!!!

This shows that it cannot retrieve alternate superblock locations and, indeed, the filesystem shows a different disk geometry to the whole disk.

Somehow, the geometry is screwed which would explain the "bad magic number" error.

I need to think how we could straighten out the disk geometry.
# 28  
Old 06-18-2015
Quote:
Originally Posted by hicksd8
Hmmmmm!!!!!

This shows that it cannot retrieve alternate superblock locations and, indeed, the filesystem shows a different disk geometry to the whole disk.

Somehow, the geometry is screwed which would explain the "bad magic number" error.

I need to think how we could straighten out the disk geometry.


Hello hicksd8...thanks a lot for your continual support...We are willing to wait for your further advice...thanks
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