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 datavgB lspv datavgC ls

第1题：

A system 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 logical volume within the volume group？（）

• A、lslv
• B、lsvg
• C、iostat
• D、lvmstat

第2题：

How can an administrator determine how many physical copies there are of a mirrored logical volume in rootvg（）

• A、lslv rootvg
• B、lsvgs rootvg
• C、lsvg rootvg
• D、lspv hdisk0

第3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.

第4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

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

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

第7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

第8题：

The /systest filesystem is associated with the /dev/testlv logical volume on the ’testvg’ volume group. Given this information， which of the following commands can the system administrator use to determine if the /systest filesystem is mirrored？（）

• A、df
• B、lsvg
• C、lsfs
• D、lsdev

第9题：

How can a JFS2 filesystem be added to a volume group that has insufficient space to host a log LV？（） 

• A、Create the filesystem with an inline log.
• B、Create the filesystem referring to the jfs2log in rootvg.
• C、Create the filesystem and format the logical volume with ’logform’.
• D、Create the filesystem’s underlying logical volume with an inline log.

第10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.