单项选择题

The /systest filesystem is associated with the /dev/testlv logical volume on the ’testvg’ volume group. Given this information， which of the following commands can the system administrator use to determine if the /systest filesystem is mirrored？（）

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

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单项选择题
The systestfilesystemisassociatedwiththe dev testlvlogicalvolumeonthetestvgvolumegroup.Thetestvgvolumegroupisassignedtophysicalvolumeshdisk2andhdisk3.Whichcommandcanthesystemadministratorusetodetermineifthe systestfilesystemismirrored？（）

A.df
B.lslv
C.lsfs
D.lsdev
单项选择题
Asystemadministratorhasafaileddiskdrivethatismirroredtoanotherdiskdrive.Theysuccessfullyremovedthelogicalvolumecopiesoffofthefaileddiskdrive.Whichofthefollowingcommandsshouldbeusedtoremovethefaileddiskdrivefromthevolumegroup？（）

A.chvg
B.rmdev
C.reducevg
D.exportvg
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