Why is ASM High redundancy an important configuration choice when rolling Exadata Storage Server patching is planned?
A. High redundancy protects from partner disk failure while a cell is offline being updated.
B. High redundancy forces ASM rebalance before allowing disks to be taken offline.
C. High redundancy speeds up ASM fast mirror resync when a cell is brought back online after patching.
D. Normal redundancy provides the same protection during rolling patching, so High redundancy is not important in this case
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