
4-24 Configuring Your Server
RAID Levels
The record mode enabling the RAID feature includes several levels. Among the levels, the Onboard RAID Controller (LSI
Embedded MegaRAID) supports RAID levels 0 and 1. The Internal RAID Controller supports RAID levels 0, 1, 5, and 6. The
number of hard disk drives required to create a disk group varies depending on the RAID level as shown in the table below.
Number of required HDDs
RAID level
Min. Max.
RAID 0
1
6
RAID 1
2
2
RAID 5
3
6
RAID 6
3
6
IMPORTANT:
To use RAID 5 or RAID 6, with Internal RAID Controller , you need to
additionally install the optional RAID Upgrade Kit.
NOTE:
For details of the RAID levels, see "RAID Levels" described later in this chapter.
Disk Group
A disk group is configured with more than one HDDs.
The allowable number of disk groups is equal to the number of HDDs.
The figure below shows a sample configuration. The three HDDs are connected to the Onboard RAID Controller (LSI
Embedded MegaRAID) or Internal RAID Controller , creating one disk group (DG).
HDD 1
(36 GB)
HDD 2
(36 GB)
HDD 3
(36 GB)
RAID Controller
Disk Group 0: 108 GB
Summary of Contents for NovaScale R440 E2
Page 1: ...NovaScale R440 E2 User s Guide NOVASCALE REFERENCE 86 A1 46FB 00...
Page 2: ......
Page 32: ...1 16 Notes on Using Your Server...
Page 70: ...2 38 General Description...
Page 94: ...3 24 Setting Up Your Server This page is intentionally left blank...
Page 147: ...Configuring Your Server 4 53 Property of Physical Device in the Universal RAID Utility...
Page 272: ...5 74 Installing the Operating System with Express Setup This page is intentionally left blank...
Page 308: ...7 12 Maintenance This page is intentionally left blank...
Page 408: ...9 54 Upgrading Your Server Screws...
Page 446: ...9 92 Upgrading Your Server This page is intentionally left blank...
Page 456: ......
Page 458: ...C 2 IRQ This page is intentionally left blank...
Page 490: ...D 32 Installing Windows Server 2008 4 Activate Windows The Windows activation is complete...
Page 494: ......
Page 544: ...G 2 Using a Client Computer with a CD Drive This page is intentionally left blank...
Page 548: ...H 4 Product Configuration Record Table This page is intentionally left blank...
Page 551: ......
Page 552: ...BULL CEDOC 357 AVENUE PATTON B P 20845 49008 ANGERS CEDEX 01 FRANCE REFERENCE 86 A1 46FB 00...