Description

Delivering compelling performance with the intelligence to proactively protect data and ensure system availability

The ACS-93000 controller enables high-performance and dependable systems for native Serial Attached SCSI storage environments. Equipped with advanced storage management capabilities to support flexible resource provisioning and online reconfiguration, the controller is engineered for the demands of enterprise environments. With the 64-bit superscalar IO processor, the ACS-93000 controller unleashes the full potential of Serial Attached SCSI technologies and constructs the trustworthy storage systems for all kinds of servers and workstations.

Host interface

Two 3Gb Serial Attached SCSI (SAS) wide port, transfer rate up to 1200MBps

Support tagged command queuing and concurrent I/O processing

Disk interface

8, 12, 16 3Gb/s Serial Attached SCSI (SAS) channels

Support SATA II NCQ and SCSI tag command queue

Support ATA/SCSI S.M.A.R.T functions

Support stagger spin-up and auto-standby when idle (MAID)

Disk expansion interfaces

One 3Gb/s SAS wide (x4) port

Support SCSI SES enclosure management standards

Support up to 4 SAS JBOD systems and 48 disk drives

RAID controller specifications

PowerPC® 440SP 64-bit 533MHz superscalar processor with 256KB L2 cache, 2-way crossbar local bus, and daul PCIX-133 buses

Up to 4GB DDR2-667 memory, ECC-protected

Support battery-backup protection up to 72-hour data retention

On-board 10/100Mbps Ethernet port

32KB NVRAM for configuration and trasaction log

Real-time clock (RTC) with NTP synchronziation over Ethernet

Redundant on-board flash chips with ECC and bad block reallocation

Beeper build-in

Firmware features

Multiple RAID levels: 0, 1, 3, 5, 6, 10, 30, 50, 60, JBOD, and NRAID

Multiple stripe sizes (KB): 4, 8, 16, 32, 64, 128, 256, 512

Up to 8 disk groups and 32 logical disks per disk group, and totally 512 logical disks

Multiple RAID levels and stripe sizes in single disk group

Selective RAID initialization methods, including background initialization

Selective rebuild mode and initialization sequence for each disk group

Online RAID level and stripe size migration

Online disk group expansion

Concurrent disk group expansion and level/stripe size migration

Online disk group defragmentation for free space consolidation

Online volume management, support striping and concatenating

Online LUN capacity expansion and shrink

Online manual or event-triggered disk cloning

Online manual or periodic disk scrubbing with parity check and rebuild

Disk health monitoring and self tests by S.M.A.R.T. technology

Online drive traveling and array roaming

Online array recovery, protection against multiple disk failures

Online bad block data recovery and reallocation with over-threshold alert

NVRAM-based transaction log and auto parity resynchronization

Redundant on-disk RAID meta data

Text configuration download or send-out by email, and restore

Hot spare, support both local spare and global spare, support spare restore

Flexible storage presentation, support selective presentation for SAN, symmetric presentation for multi-path hosts, and simple presentation for DAS

Independent LUN caching policies with dynamic optimization algorithms

Support A/V streaming performance profile with fast read response

Up to 128 LUNs per host ports or storage groups

Up to 32 hosts, 16 host groups, and 32 storage groups

Support over-2TB volume by 64-bit LBA and selective sector size

Support battery backup module (BBM) and smart UPS

Enclosure components monitoring and control

Management

Local management via RS232 console and LCD panel

Web-based GUI, RAIDGuard™ via embedded web server

Embedded multiple RAID system viewer with automatic system discovery

Support multiple languages and online help

Support PPP for Web-based GUI over RS232

Command line interface (CLI) via local console, SSH, and telnet

Support SSL for protecting management sessions over Internet

Quick system setup by GUI, LCD, and CLI

NVRAM-based event log, including tracing user operations history

Event notification via email (SMTP), SNMP trap, and beeper by firmware

Selective event logging and notification by severity levels

Scheduled or periodic maintenance tasks with priority control

Extensive performance statistics monitoring of host port, LUN, cache, and disk

Support in-band and out-band management API

Support Windows® VDS 1.1 and PathGuard™ MPIO

OEM API to access reserved space on disk space, NVRAM, and flash