At database startup, you discover that one of the disks containing an index tablespace has been lost due to a media failure. A backup of the lost index tablespace is not available. You have all the necessary scripts to recreate the indexes. You need to re-create the indexes in a new index tablespace. Which action must you perform before re-creating the indexes?()
An administrator wants to mirror an important filesystem between two disks without mirroring the entire volume group. Which command should be used?()
Which of the following RAID arrays performs mirroring of the disks first, then striping of the disks?()
You have just added three new hard disks to your Windows 2000 Professional computer. You want to configure all of the disks as two drives. You want the two drives to be as equal in size as possible. You want to configure the non-system drive for the best optimal performance. What should you do?()
There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk; it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available?()
A client partition has the rootvg disks mapped from two separate VIO servers. They are using AIX mirroring to provide redundancy on rootvg. One of the VIO servers was taken down for maintenance and is now back on-line. The client partitions now show Physical Partition Marked Stale in the errpt. Which of the following will most likely resolve the problem?()
Which type of database file is spread across all disks in a disk group?()
RAID(Redundant Array of Inexpensive Disks),是指将多个磁盘连成一个阵列,然后以某种方式写磁盘,Raid6这种方式可以在()磁盘失效的情况下防止数据丢失。
You have just added three new hard disks to your Windows 2000 Professional computer. You want to configure all of the disks as two drives. You want the two drives to be as equal in size as possible. You want to configure the non-system drive for the best optimal performance. What should you do?()