You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?()A、The snapshot size will continue to grow as changes to the volume are madeB、The snapshots take a significant amount of disk space as they are a duplicate copy of the dataC、The system can only support one snapshot per volume, and you need to remove it to be able to take your next backupD、The system keeps a copy of changes in memory and can cause an out of memory event
You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?()
- A、The snapshot size will continue to grow as changes to the volume are made
- B、The snapshots take a significant amount of disk space as they are a duplicate copy of the data
- C、The system can only support one snapshot per volume, and you need to remove it to be able to take your next backup
- D、The system keeps a copy of changes in memory and can cause an out of memory event
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If you had taken the medicine yesterday, you ______ much better now.A、must have feltB、might have feltC、would have feltD、would feel
A system has a mirrored data volume group that has a filesystem /data of 10 logical partitions.How many physical partitions will thefilesystem have?() A.1B.2C.10D.20
All of the following are attributes that can be specified when creating a logical volume EXCEPT:() A.Number of logical partitionsB.Disk where logical volume will resideC.Size of the logical volume control blockD.Position of the logical volume on the disk
Which of the following statements best describes the relationship between a logical volume and a journaled file system (JFS)?() A.Increasing the size of a logical volume also increases the size of the file systemB.Reducing the size of a logical volume requires reducing the size of the file system firstC.Increasing the size of a file system requires increasing the size of the logical volume firstD.Increasing the size of a file system also increases the size of the logical volume when necessary
You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has one hard disk that contains one volume.You need to receive a notification when the volume has less than 15 percent free disk space.What should you do? ()A. Configure a Trace Log by using the File details system provider.B. Configure a Trace Log by using the Disk input/output system provider.C. Configure an Alert by using a counter from the Logical Disk performance object.D. Configure an Alert by using a counter from the Physical Disk performance object.
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.
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
All of the following are attributes that can be specified when creating a logical volume EXCEPT:()A、Number of logical partitionsB、Disk where logical volume will resideC、Size of the logical volume control blockD、Position of the logical volume on the disk
With a scalable volume group, where is the logical volume control information stored on the disk?()A、In the ODMB、In the volume group descriptor areaC、In the first 512 bytes of the logical deviceD、In the first block of the user data within the LV
Which presents the heirarchical relationship between LVM entities?() A、Volume Group Physical Volume Logical Volume FilesystemB、Physical Volume Volume Group Logical Volume FilesystemC、Volume Group Physical Volume Filesystem Logical VolumeD、Physical Volume Volume Group Filesystem Logical Volume
A system administrator’s daily monitoring has revealed a failing disk drive. The drive that is failing, hdisk0, is a lvm mirrored drive. What is the first step that should be taken in order to physically replace this drive?()A、Remove the physical volume from the system.B、Remove the physical volume from the volume group.C、Remove the physical partitions from the volume group.D、Remove the logical volume copies from the failing drive.
A user reports a corrupted boot logical volume. In order to recreate the contents of the boot logical volume which of the following procedures should the user be advised to perform?()A、Reboot the system in normal mode.B、Use the bosboot command to rebuild the boot image.C、Restore the boot logical volume from a mksysb image.D、Reboot the system into maintenance mode and run fsck on the boot logical volume.
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.
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.
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 timeB、Add additional physical volumes two at a timeC、Create a columned striped logical volume using -C option of mklvD、Create an extendable striped logical volume using -E option of mklv
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.
You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has one hard disk that contains one volume. You need to receive a notification when the volume has less than 15 percent free disk space. What should you do? ()A、Configure a Trace Log by using the File details system provider.B、Configure a Trace Log by using the Disk input/output system provider.C、Configure an Alert by using a counter from the Logical Disk performance object.D、Configure an Alert by using a counter from the Physical Disk performance object.
单选题Which of the following actions will occur once the reorgvg command is used?()AThe allocation policy for each logical volume will be set.BThe given allocation policy for each logical volume will be adhered to.CEach logical volume's physical partitions will be moved to another volume group.DEach logical volume's physical partitions will be moved to match its allocation policy, if there is sufficient space.
单选题Which of the following AIX storage concepts is correct?()AA filesystem can span multiple physical volumes.BA physical volume can belong to more than 1 volume group.CA logical volume can have up to 2 copies in each of 2 volume groups.DThe size of a filesystem is always the same size as its logical volume.
单选题A System p administrator is looking at changing attributes of a logical volume. Which of the following must be defined when it is created()Aplacement of the logical volumeBstripe size of the logical volumeCinter-disk policy of the logical volumeDintra-disk policy of the logical volume
单选题Which presents the heirarchical relationship between LVM entities?()AVolume Group Physical Volume Logical Volume FilesystemBPhysical Volume Volume Group Logical Volume FilesystemCVolume Group Physical Volume Filesystem Logical VolumeDPhysical Volume Volume Group Filesystem Logical Volume
单选题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?()AlslvBlsvgCiostatDlvmstat
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.
单选题If you ______ my advice,you ______ your failure now. You ______ your victory.Atook...wouldn’t cry over...would celebrateBhad taken...wouldn’t have cried over...would have celebratedChad taken...aren’t crying over...are celebratingDhad taken...wouldn’t be crying over...would be celebrating
单选题You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?()AThe snapshot size will continue to grow as changes to the volume are madeBThe snapshots take a significant amount of disk space as they are a duplicate copy of the dataCThe system can only support one snapshot per volume, and you need to remove it to be able to take your next backupDThe system keeps a copy of changes in memory and can cause an out of memory event
单选题Which of the following statements best describes the relationship between a logical volume and a journaled file system (JFS)?()AIncreasing the size of a logical volume also increases the size of the file systemBReducing the size of a logical volume requires reducing the size of the file system firstCIncreasing the size of a file system requires increasing the size of the logical volume firstDIncreasing the size of a file system also increases the size of the logical volume when necessary
单选题Which attribute of a logical volume can NOT be changed after it is created?()AThe placement of the logical volumeBThe stripe size of the logical volumeCThe upper bound of the logical volumeDThe intra-policy of the logical volume