[lug] SCSI Question

Hugh Brown hugh at math.byu.edu
Tue Nov 6 18:35:10 MST 2007


Zan Lynx wrote:
> On Tue, 2007-11-06 at 18:10 -0700, George Sexton wrote:
> 
>> When I replaced drive 4 initially, I had the SCSI ID set wrong. The 
>> adapter failed drive 1 as well, and marked the array as dead. No amount 
>> of wishful thinking would get the adapter to mark drive 1 unfailed after 
>> that. It took a very expensive after hours support call to Adaptec 
>> support to get the array back.
> 
> 
> Ouch! Those are the reasons I often prefer software RAID over hardware.
> I know how to wedge things back together after something like that,
> using Linux software RAID.
> 
> 

If at all possible, I'd bring up the raid in degraded mode and make sure 
  you have a good backup.

Then you can try and figure out if it is cable, drive, cosmic rays, etc.

Hugh



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