单项选择题

Asystemadministratorwouldliketorenamevolumegroupoldvgto……

A system administrator would like to rename volume group oldvg to newvg. This volume group resides on hdisk1. What is the appropriate procedure to perform this？（）

A.reboot the server in maintenance mode；migratevg -y newvg oldvg；reboot the server in normal mode
B.unmount all filesystems in the volume group；varyoffvg oldvg；migratepv -y oldvg -n newvg varyonvg newvg
C.unmount all filesystems in the volume group；varyoffvg oldvg；exportvg oldvg；importvg -y newvg hdisk1；mount all
D.unmount all filesystems in the volume group；varyoffvg oldvg；for each logical volume in the volume group do cplv -v oldvg -y newvg；varyonvg newvg；mount all

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热门试题

单项选择题Whichcommandisusedtolistinformationabouteachphysicalvolumeinvolumegrouptestvg？（）

A.lsvg -p testvg
B.lspv -v testvg
C.lslv -l testvg
D.lsattr -v testvg

单项选择题Whichcommandwouldanadministratorusetolistwhichfilesystemsareinvolumegroupdatavg？（）

A.lspv datavg
B.lslv -a datavg
C.lsfs -v datavg
D.lsvg -l datavg

单项选择题Asystemadministratorhasbeenaskedtomigratethedev_vgvolumegroupfromserverAtoserverB.Thedev_vgvolumegroupcontainsasinglefilesystemnamed development .Toprepareformigration，whichofthefollowingisthecorrectsequenceofcommandsforremovingthevolumegroupfromserverA？（）

A.exportvg dev_vg； umount /development； varyoffvg dev_vg
B.varyoffvg dev_vg； umount /development； exportvg dev_vg
C.umount /development； exportvg dev_vg； varyoffvg dev_vg
D.umount /development； varyoffvg dev_vg； exportvg dev_vg

单项选择题WhenisitappropriatetouseaJFSfilesysteminsteadofaJFS2filesystem？（）

A.When the filesystem will contain 100GB files.
B.When the filesystem resides on a 32-bit system.
C.When the filesystem contains a large number of small files.
D.When filesystem compression is required due to limited disk space.

单项选择题Asystemcontainsmultiplehot-swapstand-alonediskswithalargenumberofJFS2filesystems.WhichfeatureofJFS2canbeusedtoimprovereliability，availabilityandserviceability（RAS）ifadiskfailureoccurs？（）

A.Inline logging
B.Dynamic inode allocation
C.Linear directory organization
D.Online filesystem defragmentation