Re: SAS v SATA interface performance

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> The comment I saw, which I'm trying to verify, mentioned the SATA drives 
> "held the bus" or similar longer than SAS ones.

SATA normally uses one link per device so the device side isn't contended
unless you descend into the murky world of port multipliers. 

On the host side an AHCI controller offloads all the tedious operations
to the controller so you don't get long slow PCI side accesses slowing up
the CPU either.
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