DAE: Disk Array Enclosure 单一的磁盘扩展单元 CX200/CX300/CX400/CX500CX600/CX700
DPE: Disk Array & Storage Processor Enclosure 带有RAID控制器,且能放置硬盘的单元
CX200/CX300/CX400/CX500
SPE: Storage Processor Enclosure 磁盘阵列控制器单元 CX600/CX700
SPS: Storage Power Supply 1U的UPS



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DAE就是一堆盘,DPE就是RAID控制器,控制DAE那堆盘,SPS不是备用电源,就是电源