单项选择题
A.lspv datavg
B.lslv -a datavg
C.lsfs -v datavg
D.lsvg -l datavg
单项选择题 Asystemadministratorhasbeenaskedtomigratethedev_vgvolumegroupfromserverAtoserverB.Thedev_vgvolumegroupcontainsasinglefilesystemnamed"/development".Toprepareformigration，whichofthefollowingisthecorrectsequenceofcommandsforremovingthevolumegroupfromserverA？（）
单项选择题 WhenisitappropriatetouseaJFSfilesysteminsteadofaJFS2filesystem？（）
单项选择题 Asystemcontainsmultiplehot-swapstand-alonediskswithalargenumberofJFS2filesystems.WhichfeatureofJFS2canbeusedtoimprovereliability，availabilityandserviceability（RAS）ifadiskfailureoccurs？（）