SCSI Hard drive "MEDIUM ERROR"

Nikolas Britton freebsd at nbritton.org
Tue Nov 23 08:11:01 PST 2004


Dan Nelson wrote:

>In the last episode (Nov 23), Nikolas Britton said:
>  
>
>>Ryan J. Cavicchioni wrote:
>>    
>>
>>>This is what produced the output:
>>>
>>>"camcontrol modepage da1 -m 1 -e -P 3"
>>>
>>>I ended up using the utility on my SCSI controller to remap the bad
>>>blocks. For the moment it is working fine.
>>>      
>>>
>>I'd start looking for a replacement drive if I where you.
>>    
>>
>
>That's not strictly necessary if it's just one bad block.  SCSI drives
>have a lot of spare sectors for bad-block remapping.  You can use the
>"camcontrol defects" command to list the blocks that were marked as bad
>during the manufacturing process, plus the ones the drive has marked
>bad itself during normal use.
>
>  
>
Is this the norm SCSI drives?... With IDE drives bad sector remapping is 
transparent, the drive does all that by itself, and if you start getting 
bad sectors it's because the drive ran out of spares


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