You are managing an Oracle Database 11g instance with ASM storage. You lost an ASM disk group DATA. You have RMAN backup of data as well as ASM metadata backup. You want to re-create the missing disk group by using the ASMCMD md_restore command. Which of these methods would you use to archive this?(Choose all that apply.)
A. Restore the disk group with the exact configuration as the backuped-up disk group, using the same disk group name, same set of disks, failure group configurations, and data on the disk group.
B. Restore the disk group with the exact configuration as the backuped-up disk group, using the same disk group name, same set of disks, and failure group configurations.
C. Restore the disk group with changed disk group specification, failure group specification, disk group name, and other disk attributes.
D. Restore metadata in an existing disk group by passing the existing disk group name as an input parameter.
Answer: B C D
重新利用asmcmd md_restore命令创建丢失的磁盘组。你会用哪一类方法来存档？
A、通过备份的磁盘组来恢复磁盘组的精确配置，使用相同的磁盘组名称，同一组磁盘，失败组的配置，放在磁盘组中的数据；
B、通过备份的磁盘组来恢复磁盘组的精确配置，使用相同的磁盘组名称，同一组磁盘，失败组的配置；
C、恢复磁盘组，更改磁盘组规范，失败组规范，磁盘组名称和其他磁盘属性；
D、通过将现有的磁盘组名称作为输入参数，在现有的磁盘组中还原元数据；
MD_RESTORE用于恢复磁盘组元数据，但不恢复数据。来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/81227/viewspace-2125074/ ，如需转载，请注明出处，否则将追究法律责任。
