A system administrator decides to review the system error log after installing new hardware. Which of the following is the correct command to use？（）

A.errpt
B.syslog
C.prtdiag
D.errlogger

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单项选择题

A system administrator’s daily monitoring has revealed a failing disk drive. The drive that is failing， hdisk0， is a lvm mirrored drive. What is the first step that should be taken in order to physically replace this drive？（）

A.Remove the physical volume from the system.
B.Remove the physical volume from the volume group.
C.Remove the physical partitions from the volume group.
D.Remove the logical volume copies from the failing drive.

单项选择题

Error log analysis indicates that a disk is starting to fail and will need to be replaced. The failing disk contains multiple logical volumes which span multiple disks. A free disk has been added to the failing disk’s volume group.Which of the following is the most efficient method to move the data from the failing disk to the new disk？（）

A.Back up the data， remove the failing disk from the volume group， then restore the data to the new disk.
B.Use the migratepv command to move data from one disk to another and then remove the failing disk from the volume group.
C.Use the mirrorvg command to mirror the data to the new disk， break the mirror and then remove the failing disk from the volume group.
D.Create a new filesystem on the new disk and use the mv command to move the data to the new filesystem， and then remove the failing disk from the volume group.

单项选择题

Which attribute of a logical volume can NOT be changed after it is created？（）

A.The placement of the logical volume
B.The stripe size of the logical volume
C.The upper bound of the logical volume
D.The intra-policy of the logical volume

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