Called Dell. The official response is that on the SAS controllers mixing SATA 
and SAS isn't supported. It will work with the PERC controllers but isn't 
recommended.

So i have to image the data off and replace the drives, then image the data 
back on.

Hmmmm



From: Ken Schaefer [mailto:k...@adopenstatic.com]
Sent: 28 August 2009 09:45
To: NT System Admin Issues
Subject: RE: Dell SAS controllers

SATA and SAS use different command sets, which is why I don't think you can 
mix/match.

From: Oliver Marshall [mailto:oliver.marsh...@g2support.com]
Sent: Friday, 28 August 2009 4:33 PM
To: NT System Admin Issues
Subject: RE: Dell SAS controllers

Pooo. I thought that it would work but you wouldnt get the speed benefits until 
both disks were sas.

Hmmmm

From: Ken Schaefer [mailto:k...@adopenstatic.com]
Sent: 28 August 2009 09:25
To: NT System Admin Issues
Subject: RE: Dell SAS controllers

I believe you can only have SATA or SAS disks attached, not a mix.

Cheers
Ken

From: Oliver Marshall [mailto:oliver.marsh...@g2support.com]
Sent: Friday, 28 August 2009 4:05 PM
To: NT System Admin Issues
Subject: Dell SAS controllers

Chaps,

Should any Dell HD controller labelled as SAS be able to take SAS or SATA disks?

Particularly we have a SAS 5/ir controller that has SATA disks in it and we 
want to replace them, one at a time, with SAS disks (one at a time so that the 
raid can resync each time).

Anyone know if that should work?

Olly

















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