单项选择题

A.Backup， unmount， remove， recreate and restore the fil……

While using the smit install_remove menus to remove some filesets the system administrator notices the /usr filesystem is now unnecessarily large. Which of the following actions will reduce the size of the /usr filesystem？（）

A.Backup， unmount， remove， recreate and restore the filesystem.
B.Boot from mksysb tape and select Shrink filesystems on restore.
C.Unmount， run defragfs /usr and the reducefs -size XXX /usr commands.
D.Update /etc/filesystems with the desired size for /usr and reboot the system.

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单项选择题Asystemadministratorhasdeterminedthatthe developmentfilesystemneedstobechangedfromJFStoJFS2totakeadvantageofthenewcapabilitesavailableinJFS2.Whatisthemethodtoconvertthe developmentfilesystemfromtypeJFStoJFS2？（）

A.Umount the /development filesystem and remount it using the following command： mount -t jfs2 /development
B.Edit the /etc/filesystems file to change the type paramter to "jfs2" and change the log parameter to "jfs2log"
C.Backup the /development filesystem data， delete the JFS /development filesystem， create the new JFS2 /development filsystem， and restore the data to the /development filesystem
D.Backup the /development filesystem data， change the /development filesystem using the following command，chfs -t type=jfs2 /development.then， restore the data to the /development filesystem

单项选择题Whichcommandswilllistallthelogicalvolumesandthefilesystemdistributionacrossaspecificphysicalvolumeofthefollowing？（）

A.lspv -l
B.lslv -p
C.lsps -a
D.lsvg -m

单项选择题Asystemadministratorhasaserverexperiencingperformanceproblemswithlogicalvolumeswithinaparticularvolumegroup.WhichcommandcanreportI Ostatisticsforlogicalpartitionswitheachlogicalvolumewithinthevolumegroup？（）

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

单项选择题The systestfilesystemisassociatedwiththe dev testlvlogicalvolumeonthe’testvg’volumegroup.Giventhisinformation，whichofthefollowingcommandscanthesystemadministratorusetodetermineifthe systestfilesystemismirrored？（）

A.df
B.lsvg
C.lsfs
D.lsdev

单项选择题The systestfilesystemisassociatedwiththe dev testlvlogicalvolumeonthetestvgvolumegroup.Thetestvgvolumegroupisassignedtophysicalvolumeshdisk2andhdisk3.Whichcommandcanthesystemadministratorusetodetermineifthe systestfilesystemismirrored？（）

A.df
B.lslv
C.lsfs
D.lsdev