DATA3_DBM1 ­ High Redundancy

DATA3_DBM1 ­ High Redundancy

Which two diskgroups will not suffer from any data loss throughout the patching process even if there is a single disk failure on one of the cells
A . DBFS_DG
B . DATA3_DBM1
C . DATA2_DBM1
D . DATA_DBM1
E . RECO_DBM1

View Answer

Answer: DE

Explanation:

HIGH redundancy provides protection against 2 simultaneous disk failures from 2 distinct storage servers or 2 entire storage servers. HIGH redundancy provides redundancy during Exadata storage server rolling upgrades.

References: http://blog.umairmansoob.com/choosing-high-vs-normal-redundancy-with-exadata/