单选题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 mark

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第2题：

While performing LVM maintenance， the volume group datavg1 was exported and re-imported.  The volume group is varied online， and the filesystems have been mounted. However， the database will not start.  What action would most likely resolve this problem？（）  

• A、 Perform a shown command on the VG device files.
• B、 Perform a syncvg to validate VG integrity.
• C、 Perform a redfinevg to correct the VGDA state.
• D、 Perform a synchlvodm to correct the LV ownership.

第3题：

The 'lsvg -o' command is run with an output of only rootvg, but the server has another volume group named datavg, which is notdisplayed. What is the likely cause?（）

• A、datavg is in an offline state.
• B、'lsvg -o' only displays the root volume group.
• C、'lsvg -o' only displays the fist volume group.
• D、datavg has no filesystems and therefore, is inactive.

第4题：

Which command lists out the physical volume names as well as total/free PPs in volume group datavg？（）

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

第5题：

While attempting to expand a file system, an administrator receives an error message indicating that the filesystem is not recognized. Running the 'lsfs' command fails to display any output, but the 'df' command is working and displays normal filesystems. What is the likely cause of the problem?（）

• A、The /etc/filesystems file is missing.
• B、The /dev/hd8 logical volume is corrupt.
• C、The hosting volume group is not varied on.
• D、The /var and /tmp filesystems may be full.

第6题：

Which of the following is the correct command to list the filesystems in datavg?（）

• A、lsvg -p datavg
• B、lsvg -l datavg
• C、lsvg -L datavg
• D、lsvg -o datavg

第7题：

A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（）

• A、The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.
• B、This backup will be bootable and the volume group and all jfs logical volumes will be recreated.
• C、This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.
• D、The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.

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第13题：

A system administrator is preparing to run a preservation install and would like to use and hdisk that was no longer needed in datavg. Which of the following processes should be used to make it available for configuration?（）

• A、chdeb -1 hdiskxxx -a pv=clear; chdev -1 hdiskxx -a pv=yes
• B、exportvg datavg; importvg -y rootvg hdiskxx
• C、rmdev -1 hdiskxxx; mkdev -1 hdiskxxx -a pv=avail
• D、reducevg datavg hdiskxxx; extendvg rootvg hdiskxxx

第14题：

During an attempt to mount filesystems on the datavg volume grou, the following error message occurs: "0506-323 Cannot get information about log device loglv00." The error is due to the fjslog used by these filesystems is located on a bad disk.Which of the following procedures should be performed to fix the error?（）

• A、Run fsck on all filesystems using loglv00
• B、Run the logform command against loglv00
• C、Recreate the filesystems and restore from a backup
• D、Create a new jfslog and change /etc/filesystems to point to this log

第15题：

A log logical volume is created as indicated below: root@host1:/# mklv -a c -t jfs2log -b y datavg 1 loglv00 root@host1:/# lsvg -l datavg datavg: LV NAMETYPELPsPPsPVsLV STATE MOUNT POINT loglv00jfs2log111closed/syncdN/AA new filesytem is then created using the new log logical volume.When the administrator attempts to mount the filesytem, the following error occurs:root@host1:/# mount/newfs mount: 0506-324 Cannot mount /dev/lv00 on /newfs: Asystem call received a parameter that is not valid. Which of the following actions will resolve this error?（）

• A、Recreate the file system with -p rw flags and re-mount.
• B、Run 'logform /dev/loglv00' and hit 'y' to destroy all data.
• C、Run 'clrginfo -p' to clear the invalid filesystem parameter.
• D、Change 'account = true' value in /etc/filesystem to 'account = false'.

第16题：

A SAN needs to undergo disruptive maintenance, which will effect a hosted production system with multiple applications and related volume groups, one of which, datavg, resides on the SAN. There is one spare disk in the system but it is smaller than datavg. How can application outages and risk of corruption be minimized?（）

• A、Stop the applications in all data volume groups and shut the system down during the outage period.
• B、Stop the applications in datavg, unmount all datavg filesystems, varyoff datavg, and export datavg.
• C、Stop the applications in datavg, unmount all datavg filesystems, and reduce datavg by the SAN disks.
• D、Use the 'cpvg' command with the -z option to copy and compress datavg to different physical volumes.

第17题：

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.

第18题：

Which command would an administrator use to list which filesystems are in volume group datavg？（）

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

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