LSI 500 Manuel D’Utilisation
MegaRAID Express 500 Hardware Guide
28
Hardware Requirements
MegaRAID Express 500 can be installed in an IBM AT®-compatible or EISA computer
with a motherboard that has 5 volt/3.3 volt PCI expansion slots. The computer must
support PCI version 2.1 or later. The computer should have an Intel Pentium, Pentium
Pro, or more powerful CPU, a floppy drive, a color monitor and VGA adapter card, a
mouse, and a keyboard.
with a motherboard that has 5 volt/3.3 volt PCI expansion slots. The computer must
support PCI version 2.1 or later. The computer should have an Intel Pentium, Pentium
Pro, or more powerful CPU, a floppy drive, a color monitor and VGA adapter card, a
mouse, and a keyboard.
Configuration Features
Specification
Feature
RAID Levels
0, 1, 3, 5, 10, 30, and 50.
SCSI Channels
One
Maximum number of drives per channel
15
Array interface to host
PCI 2.1
Drive interface
Fast and Wide, Ultra 160M SE and
LVD
Upgradable cache size
16 MB, 32 MB, 64 MB, or 128 MB
Cache Function
Write-through, write-back, ARA,
NRA, RA
Multiple logical drives/arrays per
controller
Up to 40 logical drives per controller
Maximum number of MegaRAID Express
500 controller per system
12
Online capacity expansion
Yes
Dedicated and pool hot spare
Yes
Flashable firmware
Yes
Hot swap devices supported
Yes
Non-disk devices supported
Yes
Mixed capacity hard disk drives
Yes
Number of 16-bit internal connectors
One
Number of 16-bit external connectors
One
Support for hard disk drives with
capacities of more than 8 GB.
Yes
Clustering support (Failover control)
No
Online RAID level migration
Yes
RAID remapping
Yes
No reboot necessary after expansion
Yes
More than 200 Qtags per physical drive
Yes
Hardware clustering support on the board
Yes
User-specified rebuild rate
Yes