What will the SP do when cache does NOT have enough room for the incoming I/O?

Question

Options

• ASuspend caching of data and send the incoming I/O directly to the target disk drives, then flush
• BIncrease the priority of flushing data until the high watermark is reached, then resume idle
• CDisable Write cache, delay I/O ops, and flush data until the high watermark is reached, then
• DI/O ops are delayed, cache is flushed until there is enough room, the incoming I/O is allowed, and

• A
  9% (3)
• B
  6% (2)
• D
  85% (28)

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