Lenovo TD100 Uživatelský manuál stáhnout pdf (Strana 35)

v The integrated SATA controller (simple-swap SATA models) with integrated SATA

RAID (also known as HostRAID) supports RAID level-0 and level-1 when two

drives are installed. When the maximum four drives are installed, RAID level-10

is also supported.

Note: In addition, when the maximum four drives (for TD100) and the optional

ServeRAID-8k Controller are installed in the simple-swap SATA models, the

server can also support RAID level-5. See “Installing the RAID-8k adapter” on

page 117 for details about installing and cabling the ServeRAID-8k Controller to

enable RAID level-5 support on simple-swap SATA models.

v The onboard SAS/SATA controller (hot-swap SAS and hot-swap SATA models)

supports RAID level-0 and level-1 when two drives and the ServeRAID 8k-l

controller are installed. When four drives are installed, RAID level-10 is also

supported. When you upgrade to the maximum eight drives and the optional

ServeRAID-8k controller is installed, RAID levels 1e, 5, and 6 also are supported.

v Hard disk drive capacities affect how you create arrays. The drives in an array

can have different capacities, but the RAID controller treats them as if they all

have the capacity of the smallest hard disk drive.

v To help ensure signal quality, do not mix drives with different speeds and data

rates.

v To update the firmware and BIOS code for an optional ServeRAID controller, you

must use the IBM ServeRAID Support CD that comes with the ServeRAID

option.

v If you install a different type of RAID controller in the server, use the method that

is described in the instructions that come with the controller to view or change

settings for attached devices.

Configuring hot-swap SAS, hot-swap SATA, or simple-swap

SATA (some models) RAID

Note: RAID options are not supported on the SCO 6.0 and UnixWare 7.14

operating systems.

Use the IBM ServeRAID Configuration Utility program to configure and manage

hot-swap SAS or hot-swap SATA redundant array of independent disks (RAID) on

the following server models:

v Hot-swap SAS

v Hot-swap SATA

v Simple-swap models with the optional ServeRAID-8k Controller installed

This utility is part of the BIOS code. The IBM ServeRAID Configuration Utility

program adds RAID functionality to the onboard SAS/SATA controller. The onboard

SAS/SATA controller comes enabled by default.

Using the RAID Configuration Utility program: Use the IBM ServeRAID

Configuration Utility to perform the following tasks:

v Configure a redundant array of independent disks (RAID) array

v View or change the RAID configuration and associated devices

RAID Configuration Utility menu choices: The following choices are on the IBM

ServeRAID Configuration Utility menu:

v Array Configuration Utility

Chapter 2. Configuration information and instructions 17

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