[SunHELP] Ultra 60 second hard drive

Paul Savage paul at theclubcounter.com
Thu May 5 07:30:32 CDT 2005

Any reason why when a second known working drive is installed format 
does not see it?


Olaf Mersmann wrote:

> James Fogg wrote:
> *snip*
>> All SCSI busses must be terminated at each end. SCSI host adapters often
>> terminate one end, but you must terminate the other end. Some drives
>> have terminators built-in, on older disks it's a resistor pack you plug
>> in or remove.
> The U60 has an internal SCA backplane for the two scsi disks. AFAIK 
> all SCA stuff is auto terminating.
>> Check to make sure the drive in the middle of the bus isn't terminating
>> (check manufacturers docs to find out how they do it) and make sure the
>> disk on the end of the bus IS terminating. If the end disk doesn't have
>> a built-in terminator you will need to add one to the SCSI cabling after
>> the last disk on the bus.
>> Also, check your disk SCSI ID number. You cannot duplicate SCSI ID's on
>> a single bus.
> Again, AFAIK, SCA deals with SCSI ID assignment.
> -- Olaf
> P.S: I've had similar problems with newer (U320 SCA) drives in my U2, 
> but never investigated the issue.
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