Rootvg has just been mirrored to a second disk. Which of the following actions should be performed to boot the system off of either disk?（）A、Extendvg to include both disks in the rootvgB、Copy the hd5 logical volume to hdisk1C、Run the bosboot and bootlist

第1题：

The system administrator notices that there is an I/O bottleneck on one of three disks in datavg volume group. This problem disk contains the JFS log， loglv00 and one filesystem， /mydatabase.  There are no other logical volumes on this disk.  Which of the following options would be the best solution？（）

• A、 Increase the size of the JFS log logical volume so more transacations can be written to this log.
• B、 Create a second， additional JFS log and have the /mydatabase logical volume point to both JFS logs.
• C、 Migrate the JFS log device to another physical disk in the same volume group.
• D、 Only one JFS log device for each volume group can be used.  Use the migratepv command to move the JFS log device to an empty disk in another volume group.

第2题：

A patch has been applied to the operating system.  After rebooting, the system is hung.  Which of the following commands should have been performed to prevent the system from hanging?（）

• A、 lppchk, bosboot 
• B、 lslpp -l, oslevel 
• C、 installp -C, lppchk 
• D、 bosboot, synclvodm 

第3题：

The system administrator mirrored the rootvg from hdisk0 to hdisk1 and needs to ensure the system would boot from hdisk1 if hdisk0 failed. Which of the following commands would be used to accomplish this？（）

• A、bootlist -mo normal hdisk1
• B、bootlist -m normal hdisk0 hdisk1
• C、bootlist -m service hdisk0 hdisk1
• D、bosboot -m normal hdisk0 hdisk1 -i

第4题：

A system administrator has a two-disk volume group （testvg） with one logical volume （testlv） which has just been mirrored across both disk drives. Which of the following commands can be used to turn off quorum？（）

• A、chvg -Qn testvg
• B、chlv -Qn testlv
• C、varyoffvg testvg； varyonvg -Qn testvg
• D、varyoffvg testvg； exportvg testvg； importvg -Qn testvg； varyonvg testvg

第5题：

An administrator has added hdisk2 to rootvg and would like to create a boot logical volume on the disk soit can be used as theprimary boot partition on the next reboot. Which command should the administrator use?（）

• A、bosboot -ad hdisk2
• B、mkblv -y bootlv hdisk2
• C、crlv -t bootlv -d hdisk2
• D、bootlist -om normal hdisk2

第6题：

A system was running properly until a reboot. Following the reboot， the system LED displayed cycles between 0223 and 0229. Which of the following procedures should be performed next？（）

• A、Power down then power up the system
• B、Boot into diagnostic mode and run fsck
• C、Boot from installation media and run bosboot
• D、Boot into maintenance mode and check the bootlist

第7题：

There is the possibility that hdisk1 in the root volume group is going bad. A decision has been made to replace the disk. After saving all of the data from the disk and unmounting any filesystems on the disk, which of the following commands should be run before removing the disk from the system?（）

• A、chgv -a n hdisk rootvg; rmdev -1 hdisk1 -d
• B、rmdev -1 hdisk1 -d; reducevg -df rootvg hdisk1
• C、reducevg -df rootvg hdisk1; rmdev -1 hdisk1 -d
• D、reducevg -df rootvg hdisk1; rmdev -1 hdisk1

第8题：

A user reports a corrupted boot logical volume. In order to recreate the contents of the boot logical volume which of the following procedures should the user be advised to perform?（）

• A、Reboot the system in normal mode.
• B、Use the bosboot command to rebuild the boot image.
• C、Restore the boot logical volume from a mksysb image.
• D、Reboot the system into maintenance mode and run fsck on the boot logical volume.

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第13题：

A system administrator has a failed disk drive that is mirrored to another disk drive. They successfully removed the logical volume copies off of the failed disk drive. Which of the following commands should be used to remove the failed disk drive from the volume group？（）

• A、chvg
• B、rmdev
• C、reducevg
• D、exportvg

第14题：

An administrator has a two-disk volume group （testvg） with one logical volume （testlv） which has just  been mirrored across both disk drives.  Which of the following commands can be used to turn off quorum（）

• A、chvg -Qn testvg
• B、chlv -Qn testvg
• C、varyoffvg testvg； varyonvg -Qn testvg
• D、varyoffvg testvg； exportvg testvg； importvg -Qn testvg； varyonvg testvg

第15题：

After mirroring rootvg, a system administrator wants to validate that the system will boot correctly. Which of the following tasks must be performed before changing the boot order?（）

• A、Run a bosboot -a command
• B、Mirror the hd5 on the two disks
• C、Set up another service mode bootlist
• D、Check the disks using a lsvg -p rootvg command

第16题：

An administrator has mirrored the root volume group to a second disk， but ’bootlist’ is failing to correctly add the second disk.  What is the likely cause of the problem？（）  

• A、The administrator has failed to run ’bosboot -ad <2nd disk>’ prior to the bootlist command.
• B、The administrator has failed to run ’bootinfo -B <2nd disk>’ prior to the bootlist command.
• C、The administrator has failed to run ’mirrorvg -m rootvg <2nd disk>’ prior to the bootlist command.
• D、The administrator has failed to run ’bosboot -ad /dev/ipldevice <2nd disk>’ prior to the bootlist command.

第17题：

One of the mirrored disks for the root volume group has failed. Although the logical volumes are mirrored, and the bosboot command was run, the machine will not boot. What is the most probable cause?（）

• A、Quorum was not turned off
• B、Paging space was not mirrored
• C、The dump space was not mirrored
• D、The surviving disk was too small

第18题：

A mirrored root disk needs to be replaced. Which of the following commands will clear the boot record on the failing disk？（）

• A、chpv -c
• B、rmlv hd5
• C、bosboot -ad
• D、rmdev -dl hd5

第19题：

A system administrator needs to replace a mirrored disk.  After performing the proper removal process and replacing the disk, which of the following set of commands should be performed to bring the disk back into production?（）

• A、 reboot, mklvcopy, syncvg 
• B、 cfgmgr -vl ssar, chvg -va, syncvg 
• C、 cfgmgr, extendvg, syncvg 
• D、 extendvg, mklvcopy, syncvg

第20题：

An administrator has mirrored the root volume group to a second disk, but 'bootlist' is failing to correctly add the second disk. What is the likely cause of the problem?（）

• A、The administrator has failed to run 'bosboot -ad <2nd disk>' prior to the bootlist command.
• B、The administrator has failed to run 'bootinfo -B <2nd disk>' prior to the bootlist command.
• C、The administrator has failed to run 'mirrorvg -m rootvg <2nd disk>' prior to the bootlist command.
• D、The administrator has failed to run 'bosboot -ad /dev/ipldevice <2nd disk>' prior to the bootlist command.

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