I have Storage-SAN of HDS(AMS500), and I want to do striping on luns from the 
storage. I don't want any raid-5(because I have one on the disks in the HDS 
storage).
I only want to do strip on 2 luns(25GB each) that cames from different 
controllers and deffrent fiber channel port(dual HBA).

I test the preformance by writing 512MB in to the zfs, with 2 luns striped(each 
lun from diffrent controller and connected from diffrent port of the dual HBA).
also I test the by writing 512MB into zfs, with only one lun, BUT the 
preformance was the same.

I thougth the the preformace should be doubled!???

another question , can I do concatination in zfs?
 
 
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