CMS专题
单选题Which attribute of a logical volume can NOT be changed after it is created？（）A The placement of the logical volumeB The stripe size of the logical volumeC The upper bound of the logical volumeD The intra-policy of the logical volume
题目
The placement of the logical volume
The stripe size of the logical volume
The upper bound of the logical volume
The intra-policy of the logical volume
相似问题和答案
第1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2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
正确答案:B
第3题：
A.Number of logical partitions
B.Disk where logical volume will reside
C.Size of the logical volume control block
D.Position of the logical volume on the disk
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：
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:D
第6题：
Which attribute of a logical volume can NOT be changed after it is created？（）
- A、The placement of the logical volume
- B、The stripe size of the logical volume
- C、The upper bound of the logical volume
- D、The intra-policy of the logical volume
正确答案:B
第7题：
All of the following are attributes that can be specified when creating a logical volume EXCEPT:（）
- A、Number of logical partitions
- B、Disk where logical volume will reside
- C、Size of the logical volume control block
- D、Position of the logical volume on the disk
正确答案:C
第8题：
A.Increasing the size of a logical volume also increases the size of the file system
B.Reducing the size of a logical volume requires reducing the size of the file system first
C.Increasing the size of a file system requires increasing the size of the logical volume first
D.Increasing the size of a file system also increases the size of the logical volume when necessary
第9题：
Which attribute of a JFS filesystem can NOT be changed after the filesystem is created？（）
- A、The size of the filesystem
- B、The placement of the filesystem
- C、The mount point of the filesystem
- D、The number of bytes per inode
正确答案:D
第10题：
Companycom would like the ability to shrink filesystems. They currently have JFS filesystems. Which of the following is necessary to shrink the filesystems?（）
- A、Copy the existing filesystems to JFS2
- B、Defragment the filesystem， then reduce its size
- C、Change the file system attribute allow_shrink=yes on the existing filesystems
- D、Modify the logical volume attribute allow_shrink=yes on the existing logical volumes
正确答案:A