Given  the  following  output,  recommend  corrective  action  that  should  be  undertaken  to  increase   protection() # Isvg -I rootvg rootvg:  LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINT  hd5 boot 1 2 2 closed/syncd N/A  hd6 paging 16 32 2 open/syncd N/A  hd8 jfslog 1 2 2 open/syncd N/A  hd4 jfs 2 4 2 open/syncd /  hd2 jfs 53 106 2 open/syncd /usr  hd9var jfs 16 32 2 open/syncd /var  hd3 jfs 4 8 2 open/
A、add a copy of the log for/datafs
B、open hd5
C、mirrorvg rootvg
D、split /usr as it is too big