单选题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 proble

题目
单选题
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.

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相似问题和答案

第1题:

While an electrician was adding additional circuits for the Data Center, the system running the Database inadvertently powered down. The fallover of the service IP labels and volume groups to the hot standby node completed as expected; however, the database did not start. The database log file indicated that the database was already started.  What is the most likely cause of this problem?()  

  • A、 The shared logical volumes and filesystems did not have database permissions.
  • B、 There was a test instance running on the standby system that must be shutdown.
  • C、 The tablespaces had an indicator indicating that the database had not shutdown properly.
  • D、 The startup script for the highly available instance did not first perform cleanup operations.

正确答案:D

第2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.

正确答案:A

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.


参考答案:A

第4题:

Which presents the heirarchical relationship between LVM entities?()  

  • A、Volume Group > Physical Volume > Logical Volume > Filesystem
  • B、Physical Volume > Volume Group > Logical Volume > Filesystem
  • C、Volume Group > Physical Volume > Filesystem > Logical Volume
  • D、Physical Volume > Volume Group > Filesystem > Logical Volume

正确答案:A

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.

正确答案:A

第6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.

正确答案:A

第7题:

After an HACMP migration, which included a large number of shared disks,cluster testing is   performed. During testing, it becomes apparent that Fast Disk Takeover is not working properly.  Which of the following is the most likely cause of the problem?()  

  • A、 The shared volume groups have not been converted to Big VGs.
  • B、 The ’t factor" needs to be set on the volume group using chvg -t 2 vgname.
  • C、 The shared volume groups have not been converted to enhanced concurrent mode.
  • D、 The shared volume groups need to be varied on using the passive varyon option on all nodes.

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:

Using splitvg to create a snapshot volume group of rootvg results in an error.  What is the most likely cause of the error()

  • A、There is not an available disk to allocate to the snapshot volume group
  • B、One of the physical volumes associated with rootvg has a status of "missing"
  • C、Rootvg is running in enhanced concurrent mode
  • D、A snapshot volume group cannot be created for the rootvg

正确答案:D

第10题:

Following a successful migration,it is highly recommended that concurrent Volume Groups be Converted to enhanced concurrent capable Volume Groups.  In order to follow this recommendation,what step must be completed first?()  

  • A、 The Volume Groups must be changed with chvg -E vgname.
  • B、 The Volume Groups must be a member of a resource group and must be varied on al nodes of       the cluster.
  • C、 The Volume Groups must be a member of a resource group and must be varied off all nodes      of the cluster.
  • D、 The Volume Grups cannot be changed to enhanced concurrent capable because they must be      recreated with mkvg -C vgname.

正确答案:C

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