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Product Information
Key Features
The key features of the storage systems are:
• Dual wide SCSI bus, either single-ended or fast/wide differential
• Two redundant fan modules (shipped standard)
• Two redundant power modules (one shipped, one optional)
• Up to eight 1-inch-high, or four 1.6-inch-high slots
• Optimized for high availability
High Availability
The storage systems are optimized for high availability with the following features:
• Dual SCSI bus
• Hot pluggable, front-accessible modules
• Redundant fan and power modules
• Can mirror disks in the same storage system
• Can be integrated with mirrored disks in an HP-UX environment with MC/LockManager and
ServiceGuard
• Can be integrated with diagnostic tools to allow remote monitoring and troubleshooting.
SCSI Buses
The storage system contains two separate wide SCSI buses. One bus is connected to the slots in bay A and
the other bus is connected to the slots in bay B. Each bus can be used independently, or can be connected
together via an external SCSI cable to form one common bus. In a common bus configuration, four 1-inch
disk modules can be installed in each bay for a maximum of eight devices per bus, or two 1.6-inch disk
modules or DDS tape modules can be installed in each bay for a maximum of four devices per bus.
Modular Design
Each storage system contains the following modular components: fans, power supplies, disk drives, and
DDS tape drives. Each component is housed in a plastic module. Each storage system contains two slots
for fan modules, two slots for power modules, and eight 1-inch-high slots for disk modules or DDS tape
modules. Each module is easily removed by pulling out a locking lever, is installed or removed from the
front of the storage system, and can be used in any of the three storage system enclosures.
Fibre Channel (FC) SCSI Multiplexer (MUX) Connection
Fibre channel host connection is available through a Fibre Channel (FC) SCSI Multiplexer (MUX).
Configurations of the FC are detailed in the HP 9000 Enterprise Servers Configuration Guide. For