HP StorageWorks 3000 RAID Array - Manual (Page 37)

Product Overview 1-21
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
Specifications
Table 1-6
Controller Shelf Technical Specifications
Feature Description
Model RA3000 rack mount controller shelf (DS-SWXRA-GH, -GK)
RA3000 rack mount disk shelf (DS-SWXRA-GN)
Controller shelf description BA356 style shelf with one HSZ22 controller, two 180 watt
power supplies, two host I/O modules, one-dual channel
Wide-Ultra, single-ended personality module, blue
Disk controller shelf BA356 disk SBB shelf with two 180 watt power supplies, one
single channel Wide-Ultra, single ended personality module,
blue
Controller model One HSZ22 standard
Dual active controllers With DS-HSZ22 second controller upgrade
Controller cache 16 MB standard
64 MB standard with two controllers
Backup for cache 1000 VA UPS, standard with controller shelf
Controller operation
(with 2 controllers) Active-Active (recommended)
Active-Passive (spare)
Controller failover Yes, automatic
Mirrored write-back cache Yes
Write through cache Yes
Command Queuing Yes, 64 commands
Write gathering Yes
Host channels Two Wide-Ultra SCSI differential
Drive channels Two Wide-Ultra SCSI single ended
Maximum transfer rate 44.7 MB per second per controller pair
RAID 5 sustained transfer rate Read – 32.6 MB per second per controller pair
Write – 30.6 MB per second per controller pair
Maximum I/O per second 4,400 I/O per second
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