Storage processo
rs (SPs)
The storage proce
ssor (SP) is the storage system’s intelligent component
andactsastheinp
ut/output (front end) and data storage (back end)
control center. B
esides the processor board and memory DIMM, each
SP includes an I/
O module that determines the connection protocol
to host servers.
DPE-AX systems w
ith two SPs support write caching for increased
performance. T
he redundant storage processors also provide high
availability s
hould one SP fail or lose power.
Hardware and Operational Overview
7