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 important filesystem 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 not displayed. What is the likely cause？（）
单项选择题 Whatmustanadministratordotocreatetwonewvolumegroupsonasystemwithonlyonesparedisk？（）