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

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相似问题和答案

第1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


参考答案:B

第2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:

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5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


参考答案:D

第7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8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


参考答案:D

第9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10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

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