CompanycomwantstoapplyaPTFtothep5590system.Afterdoingapreviewinstall,theoutputshowsthereisinsufficientspaceinthe/usrfilesystem.Therootvolumegrouphasnoavailablephysicalpartitionsleft.Theydonotwanttoaddadditionaldiskdrivestothesystem,buthaveajfs2filesystemthatisonly8%used.Whatcouldtheydotoutilizespaceinthejfs2filesystemtoapplythisPTF?()
A.Backupthefilesystemandrecreatesmaller
B.Usethechfstoreducethefilesystemsize
C.Usecplvtocopyfilesystemtosmallersize
D.Usemigratepvtocopyfilesystemtosmallersize