Compaq 3000 - Manual (Page 4)

EK–SMCPQ–UG. C01 v
Contents
Revision Record ............................................................................................................................ vii
About This Guide ..........................................................................................................................ix
1 Product Overview
1.1 Product Description ...........................................................................................................1–1
1.2 Shelf Features .....................................................................................................................1–5
1.3 Controller Shelf Enclosure ................................................................................................1–5
1.4 Shelf Cabinet Installation ..................................................................................................1–7
1.5 Shelf Major Components...................................................................................................1–7
1.5.1 RAID Array Controller ...............................................................................................1–7
1.5.2 Device I/O Module ......................................................................................................1–8
1.5.3 Host I/O Module ....................................................................................................... 1–10
1.5.4 Shelf Cooling ............................................................................................................ 1–12
1.5.5 Controller Shelf Power Supplies............................................................................. 1–12
1.5.6 Uninterruptable Power Supply (UPS)..................................................................... 1–13
1.6 6-Slot Device Expansion Shelf (Optional) ................................................................... 1–14
1.7 Connecting the RAID Array 3000 Controller Shelf to a Host System....................... 1–14
1.8 Specifications .................................................................................................................. 1–19
2 RAID Array Controller
2.1 Controller Overview ..........................................................................................................2–1
2.2 Controller Features.............................................................................................................2–3
2.3 Controller Reset and LED Indicators ...............................................................................2–5
2.4 Flexible RAID Set Configuration .....................................................................................2–6
2.5 Performance Enhancements ..............................................................................................2–7
2.5.1 Custom Components ...................................................................................................2–7
2.5.2 Efficient Write and Read Algorithms........................................................................2–7
2.6 RAID Levels Supported.....................................................................................................2–8
2.6.1 RAID 0..........................................................................................................................2–9
2.6.2 RAID 1....................................................................................................................... 2–11