Instruction Manual

CXO7943

CXO7944

Figure 7 H SV110 controller location—front and rear views

EVA3000 HSV100 controllers

The HSV10 0 controllers serve as the interface between the storage system hardware and the SAN. All host

I/Os and all Command View EVA management commands are processed by the controllers. Up to four

drive encl

osures are supported by each HSV100 controller pair. Figure 8 shows the HSV100 controller.

Two high-p

erformance HSV100 controllers are included in each EVA3000 storage system. Each controller

is instal

led in a separate enclosure and provides the following features:

• High-performance, PowerPC m icroprocessor

• An Op erator Control Panel (OCP) for easy operation

• 3U cabin

et space required for both controller enclosures

• Two 2-Gbps, FC -Switch Fabric host por ts

• Two 2-Gbps, FC-AL device ports

•Arrang

ed as a single redundant pair

• Data load/performance is balanced across a pair

• Suppor t for up to 56 disks

• 1-GB ca

che per controller , mirrored, with battery backup

• 2-Gbps, FC cache mirroring por t with device port backups

System description