[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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