Which commands will list all the logical volumes and the file system distribution across a specific physical volume of the following？（）

Asystemadministratorhasaserverexperiencingperformanceproblemswithlogicalvolumeswithinaparticularvolumegroup.WhichcommandcanreportI Ostatisticsforlogicalpartitionswitheachlogicalvolumewithinthevolumegroup？（）

A.lslv
B.lsvg
C.iostat
D.lvmstat

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The systestfilesystemisassociatedwiththe dev testlvlogicalvolumeonthe’testvg’volumegroup.Giventhisinformation，whichofthefollowingcommandscanthesystemadministratorusetodetermineifthe systestfilesystemismirrored？（）

A.df
B.lsvg
C.lsfs
D.lsdev

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