User Manual

Storage System Description
30 Enterprise Virtual Array 3000 User Guide
HSV100 Controllers
Two high-performance HSV100 controllers are included in each storage system.
Each controller is installed in a separate enclosure and provides the following
features:
■ High-performance, PowerPC microprocessor
■ An Operator Control Panel (OCP) for easy operation
■ 3U cabinet space required for both controller enclosures
■ Two 2-Gbps, FC-Switch Fabric host ports
■ Two 2-Gbps, FC-AL device ports
— Arranged as a single redundant pair
— Data load/performance is balanced across a pair
— Support up to 56 disks
■ 1-GB cache per controller, mirrored, with battery backup
■ 2-Gbps, FC cache mirroring port with device port backups
The HSV100 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 enclosures are
supported by each HSV100 controller pair. Figure 5 shows the controllers.
Figure 5: HSV100 controller—front and rear views
CXO8054B
Front
Rear