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Storage processors (SPs)
The storage processor (SP) is the storage system’s intelligent component and acts as the input/output (front end) and data storage (back end) control center. Besides the processor board and memory DIMM, each
SP includes an I/O module that determines the connection protocol to host servers.
DPE-AX systems with two SPs support write caching for increased performance. The redundant storage processors also provide high availability should one SP fail or lose power.
Hardware and Operational Overview 7
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