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[Discuss] SAS drives

On Wed, Aug 03, 2011 at 11:09:09AM -0400, Daniel Feenberg wrote:
> On Wed, 3 Aug 2011, Dan Ritter wrote:
> >On Wed, Aug 03, 2011 at 10:05:55AM -0400, Edward Ned Harvey wrote:
> >>>From: at [mailto:discuss-
> >>> at] On Behalf Of Dan Ritter
> >>>
> >>>This is bizarre. SATA and SAS use the same cabling,
> >>
> >>Sometimes true, sometimes not.
> >>I have a Sun server X4275 which has a mixture of SATA and SAS drives in it.
> >>No problem.
> >>Later I bought an Oracle server X4270 (yes, the later model has a lower
> >>number, go figure.)  It has only SAS drives, and the connector is different.
> >
> >Can you describe the connector? And is it on the drives, or on a
> >backplane?
> 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.

Oh, OK. Yes, SAS controllers can talk to SAS or SATA drives, but
SAS drives have a block so that only SAS controllers can talk to

Sorry for the confusion.


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