When the storage controller BBU is damaged, the controller automatically sets the IO write policy to transparent and is locked to ensure data reliability. Before the fault is recovered, it can be forced to write back.

Question

Quizplus · Accepted Answer

When the BBU (Battery Backup Unit) is damaged, the IO write policy is typically set to write-through to ensure data reliability, not transparent. It cannot be forced to write back until the fault is resolved.

When the Storage Controller BBU Is Damaged, the Controller Automatically