Lenovo 4155, 4158, 4218 manual Installing hard disk drives and configuring RAID

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Chapter 6. Installing hard disk drives and configuring RAID

This chapter contains information about installing hard disk drives and configuring Redundant Array of Independent Disks (RAID) for this product.

Note: The information about configuring RAID in this chapter only applies for a Windows environment. For information about configuring RAID in a Linux environment, contact your Linux software provider.

Installing SATA or SAS hard disk drives and configuring RAID

This section contains information about the required number of SATA or SAS hard disk drives for the supported level of RAID configuration.

Note: Your computer must have either all SATA hard disk drives or all SAS hard disk drives installed. However, be sure that you do not install both the SATA and SAS hard disk drives into the same computer.

Installing SATA or SAS hard disk drives

Your computer must have the minimum number of SATA or SAS hard disk drives installed for the supported level of RAID below:

vRAID Level 0 – Striped disk array

–Two hard disk drives minimum

–Better performance without fault tolerance

vRAID Level 1 – Mirrored disk array

–Two hard disk drives minimum

–Improved read performance and 100% redundancy

vRAID Level 5 – Block-level striped disk array with distributed parity

–Three hard disk drives minimum

–Data striped at the byte level

–Stripe error correction information

–Better performance and fault tolerance

vRAID Level 10 – Combining features of RAID 0 and RAID 1

–Four hard disk drives minimum

–Very high reliability combined with high performance

–Fault tolerance

To install a new SATA or SAS hard disk drive, refer to the installation procedure in “Replacing a hard disk drive” in the ThinkStation Hardware Installation and Replacement Guide.

Entering the Marvell BIOS Setup to configure SATA or SAS RAID

This section describes how to enter the Marvell BIOS Setup to configure a SATA or

SAS RAID.

1.Turn on the computer after you have installed the required number of SATA or SAS hard disk drives.

© Copyright Lenovo 2009

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Contents ThinkStation User Guide Page ThinkStation User Guide Second Edition October Copyright Lenovo Contents Appendix B. System memory speed Appendix C. Notices Introduction Vi User Guide Important safety information User Guide Arranging your workspace ComfortGlare and lighting Electrical outlets and cable lengths Air circulationConnecting your computer Setting up your computerUser Guide Setting up your computer User Guide Setting up your computer If you have powered speakers with an ac power adapter 1394 Turning on computer power Finishing the software installationCompleting important tasks Installing external options Installing other operating systemsUpdating your operating system Updating your antivirus softwareFeatures Installing the computer on a rack shelfConnectivity Security features Dimensions SpecificationsUser Guide Software overview Software provided with your Windows operating systemSoftware provided by Lenovo Lenovo ThinkVantage Toolbox PC-Doctor for Rescue and RecoveryLenovo System Toolbox Adobe ReaderStarting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwords User Password Password considerations Administrator Password Setting, changing, and deleting a passwordEnabling or disabling a device Selecting a startup deviceSelecting a temporary startup device Advanced settings Exiting from the Setup Utility programSelecting or changing the startup device sequence Installing Sata or SAS hard disk drives Installing hard disk drives and configuring RAIDFrom the RAID Config menu, select Create array From the RAID Config menu, select Delete array Configuring the Marvell Bios Setup to delete an arrayUser Guide Using system programs Updating flashing Bios from a discUpdating system programs Recovering from a POST/BIOS update failure Updating flashing Bios from your operating systemUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsDiagnostic programs Troubleshooting and diagnostics PC-Doctor for DOS Creating a diagnostic discCleaning the mouse Optical mouseNon-optical mouse 2 Ball 3 Plastic rollers 4 Ball cage Recovery information Creating and using recovery mediaCreating recovery media Performing backup and recovery operations Using recovery mediaPerforming a recovery operation Performing a backup operationUsing the Rescue and Recovery workspace Creating rescue media Creating and using rescue mediaUsing rescue media Creating and using a recovery repair disketteCreating a recovery repair diskette Installing or reinstalling device drivers Using a recovery repair disketteSolving recovery problems Setting a rescue device in the startup sequenceInformation resources Getting information, help, and serviceOnline Books folder Lenovo ThinkVantage ToolsHelp and service Safety and WarrantyUsing the documentation and diagnostic programs Calling for serviceUsing other services Purchasing additional services Basic AT commands Appendix A. Manual modem commandsLow speaker volume Enable RTS/CTS hardware flow control Extended AT commands+MS=? MNP/V.42/V.42bis/V.44 commandsFax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. System memory speed User Guide Appendix C. Notices European conformance CE mark Trademarks Television output noticeIndex Page Page User Guide Page Part Number 53Y4327