Thedataondatavgisinaccessible.Using"df"theuserdiscoversthatnoneofthedatavgfilesystemsaremounted.Running"lsvg"showsonlyrootvg.Running"importvg-y"givesthefollowingerror:"056-056volumecannotbevariedonbecausepvismarkedmissing".Whichofthefollowingstepsshouldbeperformed?（）A.Runcfgmgr.B.Runsynclvodm.C.Lookinerrorlogforhardwareproblems.D.Bootintoservicemodeandrunfsckonfilesystems.
Thedataondatavgisinaccessible.Using"df"theuserdiscoversthatnoneofthedatavgfilesystemsaremounted.Running"lsvg"showsonlyrootvg.Running"importvg-y"givesthefollowingerror:"056-056volumecannotbevariedonbecausepvismarkedmissing".Whichofthefollowingstepsshouldbeperformed?（）
A.Runcfgmgr.
B.Runsynclvodm.
C.Lookinerrorlogforhardwareproblems.
D.Bootintoservicemodeandrunfsckonfilesystems.
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