单选题A system administrator is preparing to run a preservation install and would like to use and hdisk that was no longer needed in datavg. Which of the following processes should be used to make it available for configuration?（）Achdeb -1 hdiskxxx -a pv=clear; chdev -1 hdiskxx -a pv=yesBexportvg datavg; importvg -y rootvg hdiskxxCrmdev -1 hdiskxxx; mkdev -1 hdiskxxx -a pv=availDreducevg datavg hdiskxxx; extendvg rootvg hdiskxxx
单选题
A system administrator is preparing to run a preservation install and would like to use and hdisk that was no longer needed in datavg. Which of the following processes should be used to make it available for configuration?（）
A
chdeb -1 hdiskxxx -a pv=clear; chdev -1 hdiskxx -a pv=yes
B
exportvg datavg; importvg -y rootvg hdiskxx
C
rmdev -1 hdiskxxx; mkdev -1 hdiskxxx -a pv=avail
D
reducevg datavg hdiskxxx; extendvg rootvg hdiskxxx
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