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Controller Configuration Options, Adaptec RAID Configuration Utility ARC

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Adaptec RAID Configuration Utility (ARC) Controller Configuration Options The Controller Configuration options are described in the table below. Option Drives Write Cache Runtime BIOS Automatic Failover Array Background Consistency Check BBS Support Default Drive's Default Enabled Enabled Disabled Enabled Models Affected All All All All See note 1 Description When Enabled, write cache is enabled, providing maximum drive performance. When Disabled, no write cache is used on the drive. By default, the drive's setting is used. Caution-When Enabled, there is a slight possibility (less than with controller cache) of data loss or corruption during a power failure. When Enabled, the controller BIOS allows the controller to act as a bootable device. Disabling the BIOS allows another suitable controller to act as the boot device. When Enabled, the controller automatically rebuilds an array when the failed drive is replaced. When disabled, the array must be rebuilt manually. When Enabled, the controller constantly performs a verification on a redundant array to data integrity. In the case of RAID 1 or 10, consistency checks assure that the data between like blocks match. In the case of a RAID 5 or a RAID 0, consistency checks assure that data in the stripe and the calculated parity for the stripe match. Consistency checking processes reduce performance. For a RAID 5 or a RAID 50, the performance reduction is significant. When Enabled in systems that support BBS, controller is presented as a bootable device in the host system's BIOS for boot device selection. A-10

Section	Page
Adaptec SATA and SCSI RAID Controllers	13
Kit Contents	14
Overview of the Installation Process	15
System Requirements and Compatibility	15
Drive Requirements	16
Hardware Requirements	16
Operating System Compatibility	16
Controller Features	17
Features Overview	17
SATA RAID Controller Features Summary	18
SCSI RAID Controller Features Summary	19
Advanced RAID Features	20
About the Documentation	23
Using the Adaptec Installation CD	24
Booting from the CD with No Operating System	24
Using the CD Autorun in Windows	25
Browsing the CD	25
Installing the Adobe Acrobat Reader	26
Software Tools Overview	27
Safety Information	27
Electrostatic Discharge	28
Installing the Controller and Drives	29
SATA Drives and Cables	30
SCSI Drives and Cables	30
Installing the Controller and Drives	31
Determining the Boot Controller	32
Creating a Bootable RAID5 Array	33
Using the Adaptec RAID Configuration (ARC) Utility	34
Using the Adaptec Installation CD	35
Installing the Driver	38
Overview of the Driver Installation Process	39
Creating the Driver Disk	39
Installing the Windows Driver	40
Installing the Driver When You Install Windows	40
Installing the Driver in an Existing Windows System	41
Installing the Linux Module	42
Installing the Module When You Install Red Hat	42
Installing the Module in an Existing Linux System	43
Installing the Unix Driver	43
OpenServer	43
UnixWare and OpenUNIX	45
Installing the NetWare Driver	46
Installing the Driver When You Install NetWare	46
Installing the Driver in an Existing NetWare System	47
Loading NetWare Drivers During Server Restart	48
Installing and Starting Adaptec Storage Manager	50
Installing Adaptec Storage Manager on Windows	51
Installing Adaptec Storage Manager on Linux	52
Installing Adaptec Storage Manager on OpenServer	53
Installing Adaptec Storage Manager on UnixWare/ OpenUNIX	54
Installing Adaptec Storage Manager on NetWare	55
Starting Adaptec Storage Manager	56
Windows Operating Systems	56
Linux Operating Systems	58
OpenServer UnixWare and OpenUNIX Operating Systems	59
NetWare Operating System	59
Logging into Remote Systems	59
Understanding Adaptec Storage Manager	61
Introduction	61
Features	61
Overview	62
Physical Devices View	63
Logical Devices View	63
Changing How Drives are Displayed	64
Collapsed and Expanded Views	64
Component Views	65
Adaptec RAID Configuration Utility (ARC)	66
Overview	66
Using the ACU	67
Creating Arrays	67
Managing Arrays	69
Initializing Drives	72
Rescanning Drives	73
Using SATASelect and SCSISelect	74
Controller Configuration Options	75
SATA Configuration Options	77
SCSI Configuration Options	77
Using the Disk Utilities	79
Viewing the Event Log	80
ACU for DOS	81
Introduction	81
Creating the ACU Utility Disk	81
Running the ACU Interactively	82
Running the ACU Using Scripts	83
Playback Mode	84
Record Mode	84
Creating the Script File Manually	85
Array Definition Block Keywords	86
Channel Definition Block Keywords – SCSI only	92
ACU Error Codes	93
Example – Running the ACU with a Script	94
Adaptec Flash Utility (AFU)	96
Introduction	96
System Requirements	97
Compatibility	97
Creating the Firmware Floppy Disks	98
Running the AFU from the GUI	99
Running the AFU from the Command Line	100
Command Summary	100
AFU Command Line – Step-by-Step	104
Command Line Interface	106
Introduction	107
Terminology	107
Adaptec 2410SA/2810SA Controllers Only	107
Adaptec 21610SA Controllers Only	107
All Controllers	108
Accessing the CLI	109
Accessing the CLI in MS-DOS	109
Accessing the CLI in Windows	109
Accessing the CLI in Unix	109
Using the CLI	110
Opening and Closing a Controller	110
Managing Failover Options and Hotspares	113
Displaying Controller Information	114
Displaying Disk Information	116
Displaying Array Information	117
CLI Command Dictionary	120
General Control Commands	120
Container (Array) Commands	121
Controller Commands	130
Disk Commands	133
Logfile Commands	137
Task Commands	137
Enclosure Commands	139
Using Automated Command Scripts	143
About RAID	144
Simple Volume	144
Spanned Volume	145
RAID0	145
RAID1	145
RAID5	146
RAID10	147
RAID50	148
About SCSI	149
SCSI Device Support	149
Setting SCSI IDs	150
Changing SCSI Termination on the Controller	150
Enabling CD Drive Support	150
Mixing SE Devices with LVD Devices	151
Controller Illustrations	152
Specifications	159

Match case Limit results 1 per page

A-10

Adaptec RAID Configuration Utility (ARC)

Controller Configuration Options

The Controller Configuration options are described in the table

below.

Option

Default

Models

Affected

Description

Drives Write

Cache

Drive's

Default

All

When

Enabled

, write cache is

enabled, providing maximum drive

performance. When

Disabled

, no

write cache is used on the drive. By

default, the drive’s setting is used.

Caution

—When

Enabled

, there is a

slight possibility (less than with

controller cache) of data loss or

corruption during a power failure.

Runtime BIOS

Enabled

All

When

Enabled

, the controller BIOS

allows the controller to act as a

bootable device. Disabling the BIOS

allows another suitable controller to

act as the boot device.

Automatic

Failover

Enabled

All

When

Enabled

, the controller

automatically rebuilds an array

when the failed drive is replaced.

When disabled, the array must be

rebuilt manually.

Array

Background

Consistency

Check

Disabled

All

When

Enabled

, the controller

constantly performs a verification

on a redundant array to data

integrity. In the case of RAID 1 or 10,

consistency checks assure that the

data between like blocks match. In

the case of a RAID 5 or a RAID 0,

consistency checks assure that data

in the stripe and the calculated

parity for the stripe match.

Consistency checking processes

reduce performance. For a RAID 5

or a RAID 50, the performance

reduction is significant.

BBS Support

Enabled

See

note

When

Enabled

in systems that

support BBS, controller is presented

as a bootable device in the host

system's BIOS for boot device

selection.