单项选择题
A./usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1
B./usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg
C./usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g
D./usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00
单项选择题 An administrator wants to mirror an importantfilesystem between two disks without mirroring the entire volume group. Which command should be used?（）
单项选择题 The lsvg -o command is run with an output of only rootvg, but the server has another volume group named datavg, which is notdisplayed. What is the likely cause?（）
单项选择题 What must an administrator do to create two new volume groups on a system with only one spare disk?（）