P - U X . ▁This ▁version ▁achieved ▁ 6 4 - way ▁scal ability , ▁m : n ▁threads , ▁added ▁more ▁dynamic ▁kernel ▁tun able ▁parameters , ▁and ▁supported ▁H P ' s ▁Log ical ▁Volume ▁Manager ▁on ▁It an ium . ▁It ▁was ▁built ▁from ▁the ▁ 1 1 i ▁v 1 ▁source ▁code ▁stream . ▁ 1 1 . 2 3 ▁( 2 0 0 3 ) ▁ 1 1 i ▁v 2 ▁The ▁original ▁release ▁of ▁this ▁version ▁was ▁in ▁September ▁ 2 0 0 3 ▁to ▁support ▁the ▁It an ium - based ▁systems . ▁In ▁September ▁ 2 0 0 4 ▁the ▁OS ▁was ▁updated ▁to ▁provide ▁support ▁for ▁both ▁It an ium ▁and ▁PA - R IS C ▁systems . ▁ ▁Besides ▁running ▁on ▁It an ium ▁systems , ▁this ▁release ▁includes ▁support ▁for ▁cc NU MA , ▁web - based ▁kernel ▁and ▁device ▁configuration , ▁IP v 6 , ▁and ▁stronger ▁random ▁number ▁generation . ▁ 1 1 . 3 1 ▁( 2 0 0 7 ) ▁ 1 1 i ▁v 3 ▁This ▁release ▁supports ▁both ▁PA - R IS C ▁and ▁It an ium . ▁It ▁was ▁released ▁on ▁February ▁ 1 5 , ▁ 2 0 0 7 . ▁Major ▁new ▁features ▁include ▁native ▁multip ath ing ▁support , ▁a ▁un ified ▁file ▁cache , ▁N FS v 4 , ▁Ver itas ▁Cl uster FS , ▁multi - volume ▁V x FS , ▁and ▁integrated ▁virtual ization . ▁Hyper thread ing