单项选择题

A.Run cfgmgr. B.Run synclvodm. C.Look in errorlog for h……

The data on datavg is inaccessible. Using "df" the user discovers that none of the datavg filesystems are mounted. Running "lsvg" shows only rootvg. Running "importvg -y" gives the following error: "056-056 volume cannot be varied on because pv is marked missing". Which of the following steps should be performed?（）

A.Run cfgmgr.
B.Run synclvodm.
C.Look in errorlog for hardware problems.
D.Boot into service mode and run fsck on filesystems.

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单项选择题AftertheLEDdisplayisflashing888andthesystemisrebooted,whichofthefollowingcommandsshouldbeusedtogatherdumpinformation?（）

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单项选择题Whenrunningthejfs2filesystemonauservolumegroupwhichofthefollowingoptionsisTRUE?（）

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B.Filesystem compression is not supported.
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A.tftpd
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单项选择题Whichofthefollowingcommandsisusedtoclearallentriesfromthesystemerrorlog?（）

A. errpt -c
B. errclear -j 0
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D. startsrc -s syslogd