Attention: Deleting the existing RAID configuration erases all data on the virtual drive. Make sure that you back up all data before deleting the RAID array. If the operating system is installed on the virtual drive you want to delete, you need to reinstall the operating system after completing the operation.

•If you want to delete the existing RAID configuration and make a new configuration, exit the program and back up all your data on the hard disk drives. After backing up all your data, enter the program main interface and select New Configuration. Select Yes when prompted to proceed and then follow the instructions on the screen.

Attention: Deleting the existing RAID configuration erases all data on the virtual drive. Make sure that you back up all data before deleting the RAID array. If the operating system is installed on the virtual drive you want to delete, you need to reinstall the operating system after completing the operation.

Initializing a virtual drive

This topic provides instructions on how to initialize a virtual drive using the LSI Software RAID Configuration Utility program after completing the configuration process.

Virtual drive initialization is the process of writing zeros to the data fields of a virtual drive and, in fault-tolerant RAID levels, generating the corresponding parity to put the virtual drive in a ready state. Initialization erases all data on the virtual drive. Drive groups will work without being initialized, but they can fail a consistency check because the parity fields have not been generated.

Notes:

1.Make sure that you back up any data you want to keep before initializing a virtual drive.

2.Make sure that the operating system is not installed on the virtual drive you are initializing. Otherwise, you need to reinstall the operating system after completing the operation.

To initialize a virtual drive using the LSI Software RAID Configuration Utility program, do the following:

1.Start the LSI Software RAID Configuration Utility program. See “Starting the LSI Software RAID Configuration Utility program” on page 74.

2.On the main interface of the program, select Initialize and follow the instructions on the screen.

Setting a hot-spare drive

This topic provides instructions on how to set a physical drive as a hot-spare drive using the LSI Software RAID Configuration Utility program.

A hot-spare drive is an extra, unused drive that is part of the disk subsystem. It is usually in standby mode and ready for service if a drive fails. Setting hot-spare drives enables you to replace failing drives without performing a system shutdown operation. For a detailed introduction to hot-spare drives, refer to “Introduction to RAID” in the MegaRAID SAS Software User Guide on the documentation DVD that comes with your server.

To set a physical drive as a hot-spare drive using the LSI Software RAID Configuration Utility program, do the following:

1.Start the LSI Software RAID Configuration Utility program. See “Starting the LSI Software RAID Configuration Utility program” on page 74.

2.Do one of the following:

•If you want to create or add a new RAID array, you can set a hot-spare drive during the configuration process by following the instructions on the screen.

•If you want to set a hot-spare drive right after the configuration, select Objects ➙ Physical Drive from the program main interface. Then, select the physical drive that you want to set as a hot-spare

Chapter 5. Configuring the server 77

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Lenovo 393, 441, 392, 391, 388, 389, 387, 390 manual Initializing a virtual drive, Setting a hot-spare drive
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389, 441, 388, 392, 391 specifications

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