SAS6 vs PERC6?

[David Sparks]

Tino Schwarze wrote:
> On Tue, Apr 14, 2009 at 05:22:57PM -0700, David Sparks wrote:
>> Has anyone tested the performance of the SAS6/iR onboard controller vs the
>> PERC6 addon controller?
>>
>> The SAS6 is a very basic controller with almost no features and does not have
>> a cache (but has dangerous drive cache support).
> 
> I'm not sure about the SAS6, but the SAS5 sucks in terms of performance.
> I mean, it doesn't just suck, it really SUCKS! It's no real RAID
> controller (no memory, so no cache). I'm considering to switch to
> software RAID1 on a PE860 since there's no PERC available for that
> machine.

Is the SAS5 a Fusion MPT based card? (SAS6 is)

ds