Which of the following is not a configurable attribute for an individual disk group?
A. AU_SIZE
B. COMPATIBLE.RDBMS
C. COMPATIBLE.ASM
D. DISK_REPAIR_TIME
E. DG_DROP_TIME
DG_DROP_TIME is not a valid configuration attribute for a disk group.
原文：http://www.cnblogs.com/Babylon/p/7792624.html