单选题A client wants to implement a highly available cluster between two sites. At each site the client has an IBMDS8300. At each site， the client would like a single node which will be connected through a SAN to the local DS8300but not the remote DS8300. Which clustering product could be used to provide high availability for this infrastructure？（）APowerHA/XD for GLVMBPowerHA with cross-site LVMCPowerHA/XD for Metro MirrorDPowerHA/XD for Global Mirror
单选题
A client wants to implement a highly available cluster between two sites. At each site the client has an IBMDS8300. At each site， the client would like a single node which will be connected through a SAN to the local DS8300but not the remote DS8300. Which clustering product could be used to provide high availability for this infrastructure？（）
A
PowerHA/XD for GLVM
B
PowerHA with cross-site LVM
C
PowerHA/XD for Metro Mirror
D
PowerHA/XD for Global Mirror
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