[CentOS] HA Storage Cookbook?

Sat Nov 8 01:20:02 UTC 2008
John R Pierce <pierce at hogranch.com>

Joshua Baker-LePain wrote:
> While SATA and SAS are *supposed* to be able to be mixed freely, my 
> vendor has warned me that it doesn't always work out that well.  They 
> have seen compatibility issues using SATA drives on SAS controllers.  
> So for applications where you want/need a SAS controller but still 
> need big capacity, these are the drives they recommend.


What I've seen in multiple vendors configuration guidelines is that a 
given SAS controller and SAS/SATA chassis will support SATA *or* SAS, 
but not both at once on the same SAS multiplexor.