题目内容

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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感应雷过电压

节能的重要目标是什么？

在平面交叉口，合流点和冲突点统称（）。

A system administrator has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logical volume within the volume group？（）

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