Product manual

Chapter 1: Introduction to VessRAID

Disk Drive Support

• 3.5" x 1" SAS 3 Gb/s drives

• 3.5" x 1" SATA 3 Gb/s drives

• Any combination of SAS and SATA drives in the same system.

• Hot-swappable drive bays.

• Staggered physical drive spin-up.

• Disk Data Format (DDF) enables drive roaming between subsystems.

• Multiple global or dedicated hot-spare drives with reversion option.

Controller Features

• Intel 81348 I/O Processor with:

• 4 MB NOR flash memory.

• 128 MB NAND flash memory for additional functions.

• 128 KB 8-bit NVRAM.

• 512 MB DDRII SDRAM DIMM expandable to 2GB with automatic write

cache destaging.

• Optional battery backup for SDRAM up to 72 hours.

• PMC PM8388 expander with 2 MB flash memory on 16- and 12-bay models.

• Command Queue Depth: 1024 commands per subsystem.

• Interfaces:

• WebPAM PROe, through browser and Ethernet

• CLU and CLI, through serial and Telnet

• Subsystem buzzer and LEDs

External Ports

• High-availability DAS, NAS, SAN, and cluster-friendly platforms:

• Dual 8 Gb/s FC host ports plus dual GbE iSCSI host ports

• Four GbE iSCSI host ports

• Dual 3 Gb/s SAS x4 host ports

• 3 Gb/s SAS x4 JBOD expansion port on 16- and 12-bay models.

• 10/100Mb RJ45 Ethernet management port.

• RJ11 serial port supports RS232 protocol via adapter cable.

• USB 2.0 external ports for subsystem management.