HP StorageWorks 3000 RAID Array - Manual (Page 25)

Product Overview 1-9
Compaq Confidential – Need to Know Required
Writer: Bob Young Project: RAID Array 3000 Controller Shelf Hardware User’s Guide Comments:
Part Number: EK-SMCPQ-UG. D01 File Name: b-ch1 Product Overview.doc Last Saved On: 12/4/00 1:09 PM
The controller shelf contains the following features:
■ Single PCB form factor for inclusion in the shelf
■ Support for dual hot-swap controller operation
■ Dual differential Ultra-Wide SCSI host channels
■ Dual single-ended Ultra-Wide SCSI disk channels
■ RAID level 0, 1, 0+1, 4, 5, and JBOD support
■ Voltage/temperature monitoring and support
■ Cluster support for specific operating systems
■ 32 logical unit numbers (LUNs) per host channel (Windows is limited to
eight per host channel)
■ Support for spare disks
■ UPS-backed write caching
■ Per LUN write cache/write back selection
■ Configuration/maintenance via serial or host SCSI channel using
StorageWorks Command Console (SWCC) (see the operating system
platform kit for details).
■ Update of firmware via host channel
Device I/O Module
The device I/O module provides the electrical interface between the controller
shelf and the device buses (Figure 1– 5). The module resides in the far right
slot of the Shelf and has the following features:
■ Ability to electrically isolate the controller shelf and the device SCSI
buses
■ Single-channel, single-shelf, and single-ended bus operation
■ Single channel, single-ended bus operation for two device expansion
shelves using a Trilink adapter
■ External 16-bit data bus connections
■ Switch-selectable 16-bit, 8-bit, or no SCSI bus termination
■ Two-speed blower operation
■ SBB shelf blower control to include error detection, reporting, and
automatic corrective action