Logic MegaRAID SCSI 320-1 RAID Controller User's Guide

RAID Management 4-9

4.9.8 SCSI Firmware

The MegaRAID SCSI 320-1 firmware handles all RAID and SCSI

command processing and also supports the features listed in Table 4. 7.

4.10 RAID Management

RAID management is provided by software utilities that manage and

configure the RAID system and MegaRAID SCSI 320-1, create and

manage multiple disk arrays, control and monitor multiple RAID servers,

provide error statistics logging, and provide online maintenance. They

include:

· MegaRAID BIOS Configuration Utility

· WebBIOS Configuration Utility

· Power Console Plus

· MegaRAID Manager

4.10.1 MegaRAID BIOS Configuration Utility

The BIOS Configuration Utility (<Ctrl><M>) is used to configure and

maintain RAID arrays, format hard drives, and manage the RAID system.

Table 4.7 SCSI Firmware

Feature Description

Disconnect/

reconnect

Optimizes SCSI bus seek

Tagged command

queuing

Multiple tags to improve random access

Scatter/gather Multiple address/count pairs

Multi-threading Up to 255 simultaneous commands with elevator sorting

and concatenation of requests per SCSI channel

Stripe size Variable for all logical drives: 2, 4, 8, 16, 32, 64, or

128 Kbytes

Rebuild Multiple rebuilds and consistency checks, with user-

definable priority