ates ▁with ▁Inst ant ▁Cap acity ▁on ▁Dem and ▁so ▁installed ▁resources ▁can ▁be ▁paid ▁for ▁in ▁ 3 0 - min ute ▁incre ments ▁as ▁needed ▁for ▁peak ▁work load ▁dem ands . ▁ ▁H P - U X ▁offers ▁operating ▁system - level ▁virtual ization ▁features ▁such ▁as ▁hardware ▁partitions , ▁isolated ▁OS ▁virtual ▁partitions ▁on ▁cell - based ▁servers , ▁and ▁H P ▁Integr ity ▁Virtual ▁Mach ines ▁( HP VM ) ▁on ▁all ▁Integr ity ▁servers . ▁ ▁H P VM ▁supports ▁guests ▁running ▁on ▁H P - U X ▁ 1 1 i ▁v 3 ▁hosts   – ▁guests ▁can ▁run ▁Linux , ▁Windows , ▁Open V MS ▁ 8 . 4 ▁or ▁H P - U X . ▁ ▁H P ▁supports ▁online ▁VM ▁guest ▁migration , ▁where ▁encryption ▁can ▁secure ▁the ▁guest ▁contents ▁during ▁migration . ▁ ▁H P - U X ▁ 1 1 i ▁v 3 ▁scales ▁as ▁follows ▁( on ▁a ▁Super D ome ▁ 2 ▁with ▁ 3 2 ▁Intel ▁It an ium ▁ 9 5 6 0 ▁process ors ): ▁▁▁ 2 5 6 ▁processor ▁cores ▁▁ 8 ▁T B ▁main ▁memory ▁▁ 3 2 ▁T B ▁maximum ▁file ▁system ▁▁ 1 6 ▁T B ▁maximum ▁file ▁size ▁▁ 1 2 8 ▁million ▁Z B — 1 6 ▁million ▁logical ▁units ▁each ▁up ▁to ▁ 8   Z B . ▁ ▁Security ▁The ▁ 1 1 i ▁v 2 ▁release ▁introduced ▁kernel - based ▁intr usion ▁detection , ▁strong ▁random ▁number