单项选择题
A.unmirrorvg datavg hdisk7 reducevg datavg hdisk7 replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg hdisk7
B.varyoffvg datavg Rmdev -l hdisk7 -d Replace the physical volu,e run cfgmgr The system will automatically remirror when the disk is replaced
C.unmirrorvg datavg hdisk7 rmdev -l hdisk7 - d replace the physical volume, run cfgmgr extendvg datavg hdisk7 The system will automatically remirror when the disk is replaced.
D.unmirrorvg datavg hdisk7 reducevg data hdisk7 rmdev -l hdisk7 -d replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg
单项选择题 Users are complaining of slow performance. The iostat command indicates hdiskkxx is extremely busy. There is no activity on any other hdisks in the same volume group. Which of the following is the best action to take?（）
单项选择题 After installing the base operating system and the Server bundle, a system administrator decides to remove several printer definitions that the system users will not need. Which of the following procedures is the best way for a system administrator to remove the extra printer definitions?（）
单项选择题 The boot .net.tcp.client fileset is broken. Which of the following procedures must be performed to fix the problem?（）