Hardware Installation and User’s Guide
21
Hardware Specifications and Features
Hardware Specifications and Features
3
This chapter covers all the hardware specifications associated with the IIR controller and
its components.
Section 3.5
covers optional RAID features that are supported by the
RAID Software Suite. The accompanying
Software Guide
covers all software features.
3.1
IIR Controller Hardware Features
This section provides a summary of the key features, configuration options and support
interface technology supported by the IIR controller.
3.1.1
Key Features
•
Supports RAID levels 0, 1, 4, 5 and 10
•
Supports a dual channel Ultra320 SCSI controller (one channel external and one
channel internal with speeds up to 320 MB/second per channel)
•
Online RAID level migration and capacity expansion without reboot
•
RAID array roaming
•
Instant availability and background initialization
•
Automatic rebuild with private (dedicated) or pooled (global) hot fix (spare) drives
•
Variable data strip size configurable per array
•
Non hard disk drive SCSI device support (tape, CD-ROM, etc.)
•
64MB of ECC SDRAM support
•
Read/write controller and disk caching
•
SAF-TE intelligent enclosure support
•
Hot plug disk drive auto detection configurable for non-intelligent enclosures
•
Hot plug drive support
•
PCI Hot plug support
Table 3-1. Hardware Architecture
Component
Features
I/O Microprocessor
The 80303 processor: 100MHz, RISC 64-bit core
Cache Memory
3.3V unbuffered, PC100, ECC SDRAM. 64MB
embedded not upgradeable
Flash Memory
3.3v, 32Mb (4MB) flash memory chip is used to store the
RAID firmware
I/O interface (PCI)
PCI 2.2 compliant, universally keyed for 3.3 and 5 volt
PCI slots
