单项选择题
A.PowerHA only manages VxVM volume groups by using customized pre- and post-event scripts
B.PowerHA is tightly coupled with AIX LVM. All volumes groups must be converted to AIX LVM
C.PowerHA supports VxVM as an OEM volume group type. PowerHA manages the volume group with a limited suite of management tasks
D.PowerHA supports VxVM as an OEM volume group type. All cluster operations applicable with AIX LVM are also applicable with VxVM
单项选择题 An administrator is planning a two node cluster containing Node1 and Node2 with a single resource groupnamed RG1. RG1 startup policy will be ’Online on Home Node only’. The home node is Node1. If RG1 fails over to Node2 itmust fall back to Node1. Fall back must take place outside of business hours. The agreed time for fall back is20：00. How will this be achieved with minimum action taken by administrator？（）
单项选择题 An administrator is planning a cluster running applications in 3 separate resource groups. RGA - Database 1 RGB - Web Server RGC - Database 2 Database 1 and Database 2 must be online before the Web Server. All resource groups have a Startup Policyof Online on Home Node Only. Which of the following will ensure that the resource groups are processed in the correct order？（）
单项选择题 Anadministratorisplanningforasixnodeclusterbutisconcernedabouttheadministrationneededtomanageuseraccountsthroughoutthecluster.WhatPowerHAfeaturecouldtheadministratorusetoreducetheadministrationoverhead？（）