试题详情
- 多项选择题 As the DBA， you run the following query on your ASM instance. What is the implication of the results of the query？（） SQL> select group_number， name， state from v$ASM_DISKGROUP； GROUP_NUMBER NAME STATE 0 DGROUP1 DISMOUNTED 2 DGROUP2 MOUNTED 3 DGROUP3 MOUNTED
A、 The DGROUP1 disk group was unmounted by another DBA.
B、 A datafile has been lost， causing the ASM disk group DGROUP1 to go into the DISMOUNTED state
C、 One of the redundant disks （DGROUP1） has been lost in a disk group.
D、 This query has no meaning in an ASM instance.
E、 A disk associated with a disk group was discovered after the ASM instance initially opened.
- A,E
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