swap - 2 HDs

[Wojciech Puchar]

> This is contrary to the "usual" advice which is to split swap across disks 
> AFAIK.  I've never done any benchmarks, but my gut feeling would be that if 
> the disks were on separate controllers, and if the machine did swap regularly 
> then two swap partitions would be beneficial.  Even on the same controller it

it would be beneficial when at least two processes doing pagein/pageout. 
which is normal on loaded machine which needs swapping.