[lug] Fedora core 6 and Promise UltraTrak RM8000

D. Stimits stimits at comcast.net
Sat Oct 20 10:36:00 MDT 2007


Steve A Hart wrote:
> It's not a termination problem.  All three RAIDs are chained together 
> with the DS570 as the last one on the chain and it is terminated 
> properly.  The DS570 mounts and has no problems at all so it's not the 
> cables, termination, or SCSI ID's.  Each one has it's own individual ID.
>
> Any other thoughts?
>
Bent pins on the connectors. Damaged cables. Most (or all) backplanes 
have a controller with a SCSI id (7 seems to be the convention), I 
wonder if they are conflicting...try 1 array at a time with the others 
physically removed, see if each array works solo or not.

D. Stimits, stimits AT comcast DOT net
>
>
> D. Stimits wrote:
>> ...
>>>
>>> Any idea would be GREATLY appreciated!
>> I've seen similar problems with bad termination. Are each of the 
>> arrays on their own channel? If so, each needs termination, often a 
>> built in feature of array hardware (enabled with a jumper). If they 
>> share a channel, only 1 will be terminated. I've also seen similar 
>> problems when a cable was not seated fully.
>>
>> D. Stimits, stimits AT comcast DOT net
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