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、IslvB、vm

题目

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

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更多“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、IslvB、vms”相关问题
  • 第1题:

    Which of the following statements is TRUE about the reorgvg command?()

    • A、No logical volumes wil be moved if write-verify is set to yes.
    • B、No action will be performed if it cannot fulfill the allocation requirements.
    • C、Physical partitions of a logical volume will be moved if the logical volume's relocatable flag is set to "no".
    • D、Physical partitions will be moved as close as possible to the positions specified, if the allocation requirements cannot be fulfilled.

    正确答案:D

  • 第2题:

    Which command synchronizes or rebuilds the logical volume control block, the device configuration database, and the volume group descriptor areas on the physical volumes?()

    • A、syncvg rootvg
    • B、synclvm rootvg
    • C、varyonvg rootvg
    • D、synclvodm rootvg

    正确答案:D

  • 第3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.

    正确答案:D

  • 第4题:

    What is the objective of the superstrict option that can be used when creating mirrors?()

    • A、Allows the mirror partitions to spread across a maximum number of disks.
    • B、Allows the copy of a partition to be on the same physical volume as the mirrored partition.
    • C、Prevents partitions allocated to one logical volume mirror from sharing a physical volume with partitions from another logical volume mirror.
    • D、Forces copies of logical partitions to be housed on different physical volumes, while allowing a single physical volume to be shared by logical volume mirrors.

    正确答案:D

  • 第5题:

    While planning the logical volume design of a new install, Companycom considered using a striped logical volume for performance. They want to be able to extend the logical volume in the future. Which of the following actions will provide this capability?()

    • A、Add additional logical volumes two at a time
    • B、Add additional physical volumes two at a time
    • C、Create a columned striped logical volume using -C option of mklv
    • D、Create an extendable striped logical volume using -E option of mklv

    正确答案:C

  • 第6题:

    An administrator attempts to add a new 100GB logical volume to the datavg volume group, which resides on hdisk1.  How can the administrator easily determine if there is enough space in datavg to create the logical volume()

    • A、lslg datavg
    • B、lspv datavg
    • C、lsvg datavg
    • D、lslv hdisk1

    正确答案:C

  • 第7题:

    The /systest filesystem is associated with the /dev/testlv logical volume on the testvg volume group. The testvg volume group is assigned to physical volumes hdisk2 and hdisk3. Which command can the system administrator use to determine if the /systest filesystem is mirrored?()

    • A、df
    • B、lslv
    • C、lsfs
    • D、lsdev

    正确答案:B

  • 第8题:

    单选题
    Which of the following statements is TRUE about the reorgvg command?()
    A

    No logical volumes wil be moved if write-verify is set to yes.

    B

    No action will be performed if it cannot fulfill the allocation requirements.

    C

    Physical partitions of a logical volume will be moved if the logical volume's relocatable flag is set to no.

    D

    Physical partitions will be moved as close as possible to the positions specified, if the allocation requirements cannot be fulfilled.


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    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: A
    解析: 暂无解析

  • 第10题:

    单选题
    With a scalable volume group, where is the logical volume control information stored on the disk?()
    A

    In the ODM

    B

    In the volume group descriptor area

    C

    In the first 512 bytes of the logical device

    D

    In the first block of the user data within the LV


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Where can a system administrator find information regarding configured physical volumes, volume groups, and logical volumes besides the Volume Group Descriptor Area (VGDA)?()
    A

    /etc/filesystems

    B

    /etc/environment

    C

    Object Data Manager (ODM)

    D

    Logical Volume Control Block (LVCB)


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    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.


    正确答案: B
    解析: 暂无解析

  • 第13题:

    With a scalable volume group, where is the logical volume control information stored on the disk?()

    • A、In the ODM
    • B、In the volume group descriptor area
    • C、In the first 512 bytes of the logical device
    • D、In the first block of the user data within the LV

    正确答案:B

  • 第14题:

    An administrator is trying to extend an existing volume group with a new hard disk, but the extendvg command returns the following error. 0516-1162 /usr/sbin/extendvg. Warning, The Physical Partition Size of 64 requires the creation of 8924 partitions for hdisk11. The limitation for volume group datavg is 1016 physical partitions per physical volume. Use chvg command with -t option to attempt to change the maximum Physical Partitions per Physical volume for this volume group. The chvg -t may or may not allow the extendvg command to succeed. What is the implication of using this option?()

    • A、It reduces the maximum file size allowed within the given volume group.
    • B、It reduces the maximum number of files allowed within the given volume group.
    • C、It reduces the maximum number of logical volumes allowed within the given volume group.
    • D、It reduces the maximum number of physical volumes allowed within the given volume group.

    正确答案:D

  • 第15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16题:

    Which of the following AIX storage concepts is correct?()

    • A、A filesystem can span multiple physical volumes.
    • B、A physical volume can belong to more than 1 volume group.
    • C、A logical volume can have up to 2 copies in each of 2 volume groups.
    • D、The size of a filesystem is always the same size as its logical volume.

    正确答案:A

  • 第17题:

    Where can a system administrator find information regarding configured physical volumes, volume groups, and logical volumes besides the Volume Group Descriptor Area (VGDA)?()

    • A、/etc/filesystems
    • B、/etc/environment
    • C、Object Data Manager (ODM)
    • D、Logical Volume Control Block (LVCB)

    正确答案:C

  • 第18题:

    Which of the following actions will occur once the reorgvg command is used?()

    • A、The allocation policy for each logical volume will be set.
    • B、The given allocation policy for each logical volume will be adhered to.
    • C、Each logical volume's physical partitions will be moved to another volume group.
    • D、Each logical volume's physical partitions will be moved to match its allocation policy, if there is sufficient space.

    正确答案:D

  • 第19题:

    单选题
    Which of the following actions will occur once the reorgvg command is used?()
    A

    The allocation policy for each logical volume will be set.

    B

    The given allocation policy for each logical volume will be adhered to.

    C

    Each logical volume's physical partitions will be moved to another volume group.

    D

    Each logical volume's physical partitions will be moved to match its allocation policy, if there is sufficient space.


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    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.


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    An administrator is trying to extend an existing volume group with a new hard disk, but the extendvg command returns the following error. 0516-1162 /usr/sbin/extendvg. Warning, The Physical Partition Size of 64 requires the creation of 8924 partitions for hdisk11. The limitation for volume group datavg is 1016 physical partitions per physical volume. Use chvg command with -t option to attempt to change the maximum Physical Partitions per Physical volume for this volume group. The chvg -t may or may not allow the extendvg command to succeed. What is the implication of using this option?()
    A

    It reduces the maximum file size allowed within the given volume group.

    B

    It reduces the maximum number of files allowed within the given volume group.

    C

    It reduces the maximum number of logical volumes allowed within the given volume group.

    D

    It reduces the maximum number of physical volumes allowed within the given volume group.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    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: B
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following AIX storage concepts is correct?()
    A

    A filesystem can span multiple physical volumes.

    B

    A physical volume can belong to more than 1 volume group.

    C

    A logical volume can have up to 2 copies in each of 2 volume groups.

    D

    The size of a filesystem is always the same size as its logical volume.


    正确答案: C
    解析: 暂无解析