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[Discuss] SAS drives



On Wed, Aug 3, 2011 at 11:09 AM, Daniel Feenberg <feenberg at nber.org> wrote:
>....
> In my case the socket on the drive has a bit of plastic that prevents an
> ordinary SATA cable from plugging in. The drives are Seagates. It does look
> to me like a cable connector could be constructed that would work in both
> types of drives, but none of the various SATA cables I have are so
> constructed.

I seemed to remember having read about SAS/SATA compatibility not
being 100%.  This page
put up by Adaptec

http://www.adaptec.com/en-us/_whitepapers/tech/sata/sas_sata_unprlcompat.htm

makes it clear it isn't 100%.  In the "Physical layers" section, it
makes it clear that SAS drives
will NOT plug into SATA controllers, but SATA drives can plug into SAS
controllers.  (SATA signals
are a subset of SAS signals.)

Bill Bogstad

>
> Dan Feenberg
>
>
>>
>> -dsr-
>>
>>
>> --
>> http://tao.merseine.nu/~dsr/eula.html is hereby incorporated by reference.
>> You can't fight for freedom by taking away rights.
>>
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