单项选择题

A system administrator has a filesystem called /test/data in volume group datavg. Which of the following commands will allow the administrator to create a mirrored copy of the filesystem’s data？（）

A.chfs
B.chlv
C.mklvcopy
D.mkfscopy

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单项选择题

Asystemadministratorcancreatelogicalvolumesandthenaddfilesystemstothem，orcreatethefilesystemdirectly.Whatisanadvantageofthetwo-stepapproachinsteadoftheone-stepapproach？（）

A.The number of bytes per inode can be specified.
B.Placement of the filesystem on the disk can be specified.
C.The jfslog can be specified on creation of the filesystem.
D.Either a JFS or JFS2 filesystem can be created on the logical volume.

单项选择题

Whichcommandlistsoutthephysicalvolumenamesaswellastotal freePPsinvolumegroupdatavg？（）

A.lsdev -Cl datavg
B.lsvpcfg datavg
C.lspv -p datavg
D.lsvg -p datavg