单选题A system administrator notices that one of the mirrored disks, hdisk7 on datavg, has had a hardware failure. What is the best method of recover without causing additional problems?（）A unmirrorvg datavg hdisk7 reducevg datavg hdisk7 replace the physical

题目
单选题
A system administrator notices that one of the mirrored disks, hdisk7 on datavg, has had a hardware failure. What is the best method of recover without causing additional problems?（）
A

unmirrorvg datavg hdisk7 reducevg datavg hdisk7 replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg hdisk7

B

varyoffvg datavg Rmdev -l hdisk7 -d Replace the physical volu,e run cfgmgr The system will automatically remirror when the disk is replaced

C

unmirrorvg datavg hdisk7 rmdev -l hdisk7 - d replace the physical volume, run cfgmgr extendvg datavg hdisk7 The system will automatically remirror when the disk is replaced.

D

unmirrorvg datavg hdisk7 reducevg data hdisk7 rmdev -l hdisk7 -d replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg

相似考题

1.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.

2.A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?（）A.savevgB.tarC.cpioD.mksysb

3.A system administrator notices that one of the mirrored disks, hdisk7 on datavg, has had a hardware failure. What is the best method of recover without causing additional problems?()A.unmirrorvg datavg hdisk7 reducevg datavg hdisk7 replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg hdisk7B.varyoffvg datavg Rmdev -l hdisk7 -d Replace the physical volu,e run cfgmgr The system will automatically remirror when the disk is replacedC.unmirrorvg datavg hdisk7 rmdev -l hdisk7 - d replace the physical volume, run cfgmgr extendvg datavg hdisk7 The system will automatically remirror when the disk is replaced.D.unmirrorvg datavg hdisk7 reducevg data hdisk7 rmdev -l hdisk7 -d replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg

4.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=yesB.exportvg datavg; importvg -y rootvg hdiskxxC.rmdev -1 hdiskxxx; mkdev -1 hdiskxxx -a pv=availD.reducevg datavg hdiskxxx; extendvg rootvg hdiskxxx

参考答案和解析
正确答案： D
解析： 暂无解析
更多“单选题A system administrator notices that one of the mirrored disks, hdisk7 on datavg, has had a hardware failure. What is the best method of recover without causing additional problems?（）A unmirrorvg datavg hdisk7 reducevg datavg hdisk7 replace the physical”相关问题

  • 第1题：

    ExhibitWhich of the following commands should be used before removing hdisk3 from the system?()

    A.chpv -v r hdisk3

    B.rmdev -dl hdisk3

    C.varyonvg -f datavg

    D.reducevg datavg hdisk3


    参考答案：D

  • 第2题：

    A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?（）

    • A、savevg
    • B、tar
    • C、cpio
    • D、mksysb

    正确答案:B

  • 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.

    正确答案:A

  • 第4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.

    正确答案:B

  • 第5题：

    A system administrator has determined a root mirrored disk， hdisk1， needs to be replaced. The root volume has been unmirrored. What is the next step to remove the disk drive？（）

    • A、cfgmgr
    • B、rmdev -d hdisk1 -l
    • C、reducevg rootvg hdisk1
    • D、have the IBM CE replace the disk

    正确答案:C

  • 第6题：

    A system administrator notices that one of the mirrored disks, hdisk7 on datavg, has had a hardware failure. What is the best method of recover without causing additional problems?（）

    • A、unmirrorvg datavg hdisk7 reducevg datavg hdisk7 replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg hdisk7
    • B、varyoffvg datavg Rmdev -l hdisk7 -d Replace the physical volu,e run cfgmgr The system will automatically remirror when the disk is replaced
    • C、unmirrorvg datavg hdisk7 rmdev -l hdisk7 - d replace the physical volume, run cfgmgr extendvg datavg hdisk7 The system will automatically remirror when the disk is replaced.
    • D、unmirrorvg datavg hdisk7 reducevg data hdisk7 rmdev -l hdisk7 -d replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg

    正确答案:D

  • 第7题：

    单选题
    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


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    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.


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    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


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    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： B
    解析： 暂无解析

  • 第11题：

    单选题
    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


    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：

    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:C

  • 第14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

    正确答案:D

  • 第15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

    正确答案:D

  • 第16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17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

    正确答案:D

  • 第18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19题：

    单选题
    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： A
    解析： 暂无解析

  • 第20题：

    单选题
    A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?（）
    A

    savevg

    B

    tar

    C

    cpio

    D

    mksysb


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    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


    正确答案： B
    解析： 暂无解析

  • 第22题：

    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 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.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Exhibit Which of the following commands should be used before removing hdisk3 from the system?（）
    A

    chpv -v r hdisk3

    B

    rmdev -dl hdisk3

    C

    varyonvg -f datavg

    D

    reducevg datavg hdisk3


    正确答案： C
    解析： 暂无解析

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