HP 3000 Enterprise Virtual Array - Manual (Page 26)

CXO7943A
CXO7944B
Figure 7 HSV110 controller location—front and rear views
EVA3000 HSV100 controllers
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 8 shows the HSV100 controller.
Two high-performance HSV100 controllers are included in each EVA3000 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 for up to 56 disks
• 1-GB cache per controller, mirrored, with battery backup
• 2-Gbps, FC cache mirroring port with device port backups
26 System description