CMS专题
单选题An administrator has just imported a shred Volume Group that had been created on another system in the cluster. In order for the shred volume to be used in the cluster， what is the most important step for the administrator to take first？（）AChange the
题目
Change the quorum required to false.
Change the Volume Group auto vary on to yes， and then vary off the Volume Group.
Change the auto vary on value of the Volume Group to no， and then vary off the volume group.
Set the Volume Group major number to the same value that the Volume Group had on the system on which it was created.
参考答案和解析
相似问题和答案
第1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
正确答案:A
第2题：
A system administrator has been asked to migrate the dev_vg volume group from server A to server B. The dev_vg volume group contains a single filesystem named "/development". To prepare for migration， which of the following is the correct sequence of commands for removing the volume group from server A？（）
- A、exportvg dev_vg； umount /development； varyoffvg dev_vg
- B、varyoffvg dev_vg； umount /development； exportvg dev_vg
- C、umount /development； exportvg dev_vg； varyoffvg dev_vg
- D、umount /development； varyoffvg dev_vg； exportvg dev_vg
正确答案:D
第3题：
A cluster administrator is concerned about using the forced varyon resource group function. Although the function provides increased data availability if it is enabled for a cluster resource group， management is concerned about data integrity. If a varyonvg command fails， an HACMP forced varyon will only occur if which of the following is true？（）
- A、 A loss of quorum has occurred on one of the disks in the failed volume group.
- B、 Selective fallover caused by an application moves a resource group to a takeover node.
- C、 A check is made to ensure at least one complete copy of all data is available in the volume group.
- D、 The MISSING_PV=TRUE environment variable has been set causing the volume group to be forced online.
正确答案:C
第4题：
The Cluster Administrator wants to use disk heartbeats as a non-IP network. What Volume Group consideration must be accounted for prior to configuring disk heartbeats？（）
- A、 The Volume Group major number must be the same on all nodes.
- B、 The Shared Volume Group must be created with the Big VG format.
- C、 The Volume Group must be created as Enhanced Concurrent Capable.
- D、 The "t factor" must be doubled to create the reserved area for disk hearbeats.
正确答案:C
第5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
正确答案:C
第6题：
An administrator has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）
- A、Islv
- B、vmstat
- C、iostat
- D、Ivmstat
正确答案:D
第7题：
An administrator is notified that a resource group has failed over from the home node， Node1 to a standbynode， Node2 and that Node1 has been powered off. Upon restarting Node1 the administrator checks the AIXerror log and the cluster.log Which of the following is the most likely cause of the failure of Node1？（）
- A、The operating system crashed
- B、A disk failure forced a volume group off line
- C、The System Resource Controller executed a system halt
- D、The topology services daemon has crashed due to an ODM mismatch
正确答案:C
第8题：
An administrator has just imported a shred Volume Group that had been created on another system in the cluster. In order for the shred volume to be used in the cluster， what is the most important step for the administrator to take first？（）
- A、 Change the quorum required to false.
- B、 Change the Volume Group auto vary on to yes， and then vary off the Volume Group.
- C、 Change the auto vary on value of the Volume Group to no， and then vary off the volume group.
- D、 Set the Volume Group major number to the same value that the Volume Group had on the system on which it was created.
正确答案:C
第9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.
正确答案:A
第10题：
The ‘lsvg -o’ command is run with an output of only rootvg， but the server has another volume group named datavg， which is not displayed. 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.
正确答案:A