The storage device has two controllers: controller A and controller B. If the BBU of controller A fails, which of the following descriptions is wrong? (Multiple choice)

The correct answer is A. The write policy of the LUN owned by controller A will be changed to "write-through" B. The write policy of the LUN owned by controller B will be changed to "Operational Write C. The write policy of all LUNs will be changed to "write-through". D. The write policy of all LUNs will not be changed to "write back". See the full explanation below for the reasoning.

Storage O&M and Troubleshooting

Question

Options

AThe write policy of the LUN owned by controller A will be changed to "write-through"
BThe write policy of the LUN owned by controller B will be changed to "Operational Write
CThe write policy of all LUNs will be changed to "write-through".
DThe write policy of all LUNs will not be changed to "write back"

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A
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Topics

#BBU failure#write policy#write-through#controller cache

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