单项选择题

If you use ALTER DISKGROUP ... ADD DISK and specify a wildcard for the discovery string， what happens to disks that are already a part of the same or another disk group？（）

A. The command fails unless you specify the FORCE option.
B. The command fails unless you specify the REUSE option.
C. The command must be reissued with a more specific discovery string.
D. The other disks， already part of the disk group，are ignored.

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热门试题

单项选择题WhichofthefollowingALTERDISKGROUPcommandsdoesnotuseV$ASM_OPERATIONtorecordthestatusoftheoperation？（）

A. ADD DIRECTORY
B. DROP DISK
C. RESIZE DISK
D. REBALANCE
E. ADD FAILGROUP

单项选择题HowcanyoureversetheeffectsofanALTERDISKGROUP...DROPDISKcommandifithasalreadycompleted？（）

A. Issue the ALTER DISKGROUP ... ADD DISK command.
B. Issue the ALTER DISKGROUP ... UNDROP DISKS command.P.... DROP DISK CANCEL command.
C. Issue the ALTER DISKGROU
D. Retrieve the disk from the Recycle Bin after the operation completes.

单项选择题Whichtypeofdatabasefileisspreadacrossalldisksinadiskgroup？（）

A. All types of files are spread across all disks in the disk group.
B. Datafiles
C. Redo log files
D. Archived redo log files
E. Control files

单项选择题On the development database rac0， there are six raw devices： dev raw raw1 through dev raw raw6. dev raw raw1 and dev raw raw2 are 8GB each， and the rest are 6GB each. An existing disk group +DATA1， of NORMAL REDUNDANCY， uses dev raw raw1 and dev raw raw2. Which series of the following commands will drop one of the failure groups for +DATA1， create a new disk group +DATA2 using two of the remaining four raw devices， and then cancel the drop operation from +DATA1？（）

A.A
B.B
C.C
D.D

单项选择题Whichbackgroundprocesscoordinatestherebalanceactivityfordiskgroups？（）

A. ORBn
B. OSMB
C. RBAL
D. ASMn