[olug] [OT] 80 pin SCA SCSI drives

[Brian Roberson]

Is it a true SCA? e.g. Does it have a power connector? If is does not, you 
need a special adapter to power the drive ( the power is supplied through the 
SCA adapter ) 



On Monday 13 May 2002 08:01 pm, Timothy G. O'Brien wrote:
> Now that I am over that nasty cold (well, almost); I am trying to
> troubleshoot some drive problems in an Intergraph RAID array. The drives
> keep "going" bad - 4 went bad the end of March, and two supposedly went bad
> over the weekend.
>
> I was not called in until late in the game the first time back the
> beginning of April, where we swapped out the four drives that were
> supposedly bad & reconstructed the array. This morning I was able to attack
> the latest issue early on. Going into the RAID controller I was able to
> produce a miracle and get the two drives that supposedly were "bad" working
> again! Thankfully the logical drive in did not have any data on it yet.
>
> Discussing the issue with an experienced Intergraph tech of 25+ years he
> (as I) contributed it to a power or temperature issue. Yes a temperature
> issue, a +/- 5 degree change will cause havoc with the RAID controller &
> backplane apparently. Pass that on to the powers that be to take action as
> required & on to other issues.
>
> Now that you have the background – here is my dilemma. I have four drives
> that may still be good, even though the RAID controller supposedly thought
> they were bad. These four ST19171WC are SCSI, 80-pin SCA (Hot Swap able) –
> so they do not have the normal connectors, nor pinouts to set the SCSI id's
> and such. I'm wanting to put them on another SCSI controller and run some
> tests to confirm they have failed or not. Sooo the question – if I wanted
> to put these on another SCSI controller, is there any way I can do so?


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