单项选择题

The system administrator wants to use a new jfslog dev ……

The system administrator wants to use a new jfslog /dev/fs1log with the filesystem /test/fs1 on the testvg volume group. The following commands were used to create the log and assign it to the filesystem：
（1）mklv -t jfslog -y /dev/fs1log testvg 1
（2）chfs -a log=/dev/fs1log /test/fs1
While trying to mount the /test/fs1 filesystem the administrator received the error：
"Cannot mount /dev/fs1lv on /test/fs1： A system call received a parameter that is not valid".
What step did the administrator miss that most likely caused the error？（）

A.Use the logform command to format /dev/fs1log as a jfslog
B.Use the chlv command to change the lv type of /dev/fs1log to jfslog
C.Use the chvg command to change the default jfslog of testvg to /dev/fs1log
D.Edit the /etc/filesystems file to change the log associated with /test/fs1 to /dev/fs1log

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A.lspv -l
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A.lslv
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单项选择题The systestfilesystemisassociatedwiththe dev testlvlogicalvolumeonthe’testvg’volumegroup.Giventhisinformation，whichofthefollowingcommandscanthesystemadministratorusetodetermineifthe systestfilesystemismirrored？（）

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