Cut-through IO (CTIO)
o Performance boost (up to 2X IOPS performance)
o Optimized for superior IOPS of SSDs over HDDs
o Ideal for small-block random workloads
o Easy to enable

4.2 Cut-Through IO
Cut-through IO (CTIO) is an IO accelerator that boosts the throughput of devices connected to the PERC Controller. It is enabled through disabling the write-back cache (enable write-through cache) and disabling Read Ahead.

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