单项选择题 A client needs more disk space for another volume group and has decided to use hdisk12 from the uservg volume group containing hdisk10， hdisk11， and hdisk12 where hdisk10 and hdisk11 have sufficient PPs to contain the volume group data. The client attempted to remove hdisk12 from the volume group but received the following error：  0516-016 Cannot delete physical volume with allocated partitions.  Which of the following commands should be run to correct this problem（）

单项选择题 Giventhefollowingoutputwhatcourseofactionshouldbeundertakenforalongtermsolution（）

单项选择题 An administrator was asked to log information on possible security breaches on a server.  To which file should additional entries be added to capture this information（）