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Components,
Continued
SCSI Termination MegaRAID uses active termination on the SCSI bus conforming to Alternative 2 of the SCSI-2
specifications. Termination enable/disable is automatic through cable detection.
SCSI Firmware The firmware handles all RAID and SCSI command processing and also supports:
Feature
Disconnect/
Reconnect
Tagged Command
Queuing
Scatter/Gather
Multi-threading
Stripe Size
Rebuild
RAID Management The RAID utilities manage and configure the RAID system and MegaRAID, create and
manage multiple disk arrays, control and monitor multiple RAID servers, provide error statistics
logging and online maintenance:
•
MegaRAID Configuration Utility
•
WebBIOS Configuration Utility
•
Power Console
•
MegaRAID Manager
MegaRAID Configuration Utility It configures and maintains RAID arrays, formats disk drives, and manages the
RAID system. It is independent of any operating system.
WebBIOS Configuration Utility It allows you to configure and manage a RAID system on a remote server over the
Internet.
Power Console Plus It configures, monitors, and manages RAID servers from any Windows NT network node or
remote server.
MegaRAID Manager A character-based utility for DOS, Linux, Solaris, SCO Unix, SCO UnixWare, OS/2, and
Novell NetWare.
Description
Optimizes SCSI Bus seek.
Multiple tags to improve random access
Multiple address/count pairs
Up to 255 simultaneous commands with elevator sorting and
concatenation of requests per SCSI channel
Variable for all logical drives: 2 KB, 4 KB, 8 KB, 16 KB, 32
KB, 64 KB, or 128 KB.
Multiple rebuilds and consistency checks with user-definable
priority.
Cont'd
Chapter 4 Features
31
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