All of the following types of statistics are reported by the iostat command tool EXCEPT:（）.

To examine the Exhibit, press the Exhibit button. Which option would produce this output from the errpt command? （）

A. errpt -t 
B. errpt -a 
C. errpt -D 
D. errpt

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AnSSAdiskthatispartofthemirroredvolumegroupneedstobereplaced.Whichofthefollowingproceduresshouldbeperformedbeforethediskisphysicallyabletobereplaced?（）

A.reducevg, rmdev, syncvg 
B.rmlvcopy, exportvg, rmdev 
C.rmlvcopy, reducevg, rmdev 
D.No action is required since SSA is a Hot Swap device and is mirrored

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