HP Microsoft Windows Server 2003 for Itanium-based Systems manual Using the configuration wizards

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3.Select a RAID level, and then click Next.

4.If you select a fault-tolerant RAID method and an unassigned physical drive of the appropriate capacity is available, ACU asks if you want to assign spare drives to the array.

•If you do not want this array to have a spare, click No, and then click Next.

•To assign spares to the array, click Yes, and then click Next. On the next screen, select the drives that you want to be the spares, and then click Next.

IMPORTANT: Assigning one or more spare drives to an array enables you to postpone replacement of faulty drives, but it does not increase the fault-tolerance level of any logical drives in the array. For example, a logical drive in a RAID 5 configuration suffers irretrievable data loss if two physical drives fail simultaneously, regardless of the number of spare drives assigned to it.

The panel displays the new configuration and asks you to confirm that it is acceptable.

•If you discard the configuration, you are returned to the main ACU configuration screen so that you can manually configure the new array.

•If you accept the configuration, the next screen displays confirmation that ACU has saved the new configuration. At this point, you can refine the configuration using one of the other modes, configure another controller, or exit ACU.

5.Select the appropriate radio button to accept or discard the configuration.

6.Click Finish.

Using the configuration wizards

When using the wizards, you first create at least one array ("Creating an array" on page 15), and then you populate the array with logical drives ("Creating a logical drive" on page 17).

Creating an array

1.Click Configuration Wizards in the lower right panel of the main ACU configuration screen.

2.Click Create an array, and then click Begin.

Configuring a new controller 15

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Contents HP Array Configuration Utility User Guide Audience assumptions Contents Diagnosing array problems This section Features and system requirementsInstalling ACU Getting startedOverview for using ACU Setting the execution mode for Microsoft WindowsComparison of ACU execution modes Choosing an operating mode Opening ACU in Local Application modeHttp//servername2301 Opening ACU in Browser modeSelect Device Queries Opening ACU through Systems Insight ManagerGUI operating modes Typical Standard mode screenTypical Configuration Wizards mode screen Typical Express Configuration mode screen Completing the configuration processConfiguring a new controller Using Standard Configuration modePossible tasks in Standard Configuration mode Using Express Configuration mode Click Create an array, and then click Begin Using the configuration wizardsCreating an array Click FinishConfiguring a new controller Click Create a logical drive, and then click Begin Creating a logical driveConfiguring a new controller Modifying an existing configuration Modifying a configuration using Standard Configuration modeChoices available after opening ACU Click Express Configuration, and then click Begin Modifying a configuration using Express modeModifying a configuration using the Configuration wizards Clear ConfigurationController settings Click Controller Settings, and then click BeginCreate an array Create a logical drive Delete arrays Delete logical drives Expand ArrayClick Delete logical drives, and then click Begin Click Migrate a logical drive, and then click Begin Extend logical driveMigrate a logical drive Click Extend logical drive, and then click BeginClick Spare Management, and then click Begin Spare managementSelective Storage Presentation RA4x00 controllersMSA and Smart Array Cluster storage controllers Click ACU Switch Configuration Configuring switchesRecombining a split, mirrored array Splitting a mirrored arrayModifying an existing configuration Operating modes Command line syntaxScripting in ACU Introduction to scripting in ACUCpqacuxe -i Filename Sample custom input scriptDescription of option categories in ACU scripting Script file optionsMethod Control categoryController category ActionRAIDArrayID ClearConfigurationWithDataLossController LicenseKey, DeleteLicenseKeySSPState SurfaceScanDelayArray category RebuildPriority, ExpandPriorityLogicalDrive Logical Drive categoryOnlineSpare DriveArrayAccelerator SizeSectors StripeSizeHostMode Error reportingSSPAdaptersWithAccess ConnectionNameACU scripting error messages 0-9, !, @, #, *, , , ,, -, , +, , ., /, and space. The ID Current configuration Using the Command Line Interface Overview of the ACU CLIRunning the CLI Target variable Command variableCLI syntax Keyword abbreviationsQuerying a device Typical proceduresExample command Hiding warning promptsSyntax Sample scenarioExample commands Modifying the controller chassis nameExample Sample scenario Using Selective Storage PresentationManaging host modes connection profiles Modifying connection namesExtending a logical drive Deleting target devicesIdentifying devices Expanding an arrayTarget modify size=#max? forced Target modify raid=01+0156adg? ss=8163264128256default?Managing spare drives Migrating a logical driveChanging the Rebuild Priority setting Changing the Expand Priority settingChanging the controller cache ratio Changing the surface scan delay time Re-enabling a failed logical driveEnabling or disabling the drive cache Typical scenario Setting the targetEnabling or disabling the array accelerator Disabling a redundant controller= rescan Rescanning the systemFactors involved in logical drive failure Probability of logical drive failureProbability of logical drive failure Drive arrays Drive arrays and fault-tolerance methodsDrive arrays and fault-tolerance methods Hardware-based fault-tolerance methods Fault-tolerance methodsRAID 0-No fault tolerance AdvantagesDisadvantages RAID 1+0-drive mirroring RAID 6 ADG-Advanced Data Guarding RAID 5-distributed data guardingRAID RAID 6 ADG Comparing the hardware-based RAID methodsSelecting a RAID method Alternative fault-tolerance methodsPost messages Diagnosing array problemsDiagnostic tools Server DiagnosticsAcronyms and abbreviations SSP Index Index