Lenovo ThinkServer RD340 (English) User Guide - Page 79

Creating, adding, or deleting a RAID array, Initializing a virtual drive

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Creating, adding, or deleting a RAID array This topic provides instructions on how to create, add, or delete a RAID array using the LSI Software RAID Configuration Utility program. Note: Before you create a RAID array using the LSI Software RAID Configuration Utility program, ensure that the server meets the required hardware configuration. For example, the server needs to have the required number of hard disk drives installed and connected to the system board. See "About RAID" on page 63 for information about the required number of hard disk drives for each RAID level. If you want to create a RAID 5 array using the LSI Software RAID Configuration Utility program, the server also needs to have a ThinkServer RAID 300 Upgrade Key for Advanced RAID. See "Installing or removing the ThinkServer RAID 300 Upgrade Key for Advanced RAID" on page 101. To create, add, or delete a RAID array 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 65. 2. On the main interface of the program, do one of the following depending on your needs: • If you want to create a RAID array, select Easy Configuration and then follow the instructions on the screen. • If you want to add a secondary RAID array (if supported by your server), select View/Add Configuration and then follow the instructions on the screen to view the current configuration and add a RAID array. • If you want to delete the existing RAID array, 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 Clear Configuration. Select Yes when prompted and follow the instructions on the screen. Attention: Deleting an existing RAID array erases all data on the array. Ensure that you back up all data before deleting the RAID array. If the operating system is installed on the RAID array you want to delete, you need to reinstall the operating system after deleting the RAID array. • If you want to delete the existing RAID array and create a RAID array, 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 an existing RAID array erases all data on the array. Ensure that you back up all data before deleting the RAID array. If the operating system is installed on the RAID array you want to delete, you need to reinstall the operating system after deleting the RAID array. 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: • Ensure that you back up any data you want to keep before initializing a virtual drive. • Ensure that the operating system is not installed on the virtual drive you are initializing. Otherwise, you need to reinstall the operating system after initializing the virtual drive. Chapter 5. Configuring the server 67

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Creating, adding, or deleting a RAID array
Thistopicprovidesinstructionsonhowtocreate,add,ordeleteaRAIDarrayusingtheLSISoftwareRAID
Configuration Utility program.
Note:
BeforeyoucreateaRAIDarrayusingtheLSISoftwareRAIDConfigurationUtilityprogram,ensurethat
the server meets the required hardware configuration. For example, the server needs to have the required
number of hard disk drives installed and connected to the system board. See “About RAID” on page 63
for information about the required number of hard disk drives for each RAID level. If you want to create a
RAID 5 array using the LSI Software RAID Configuration Utility program, the server also needs to have a
ThinkServerRAID300UpgradeKeyforAdvancedRAID.See“InstallingorremovingtheThinkServerRAID
300 Upgrade Key for Advanced RAID” on page 101.
To create, add, or delete a RAID array 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 65.
2. On the main interface of the program, do one of the following depending on your needs:
• If you want to create a RAID array, select
Easy Configuration
and then follow the instructions on
the screen.
• If you want to add a secondary RAID array (if supported by your server), select
View/Add
Configuration
andthenfollowtheinstructionsonthescreentoviewthecurrentconfigurationand
add a RAID array.
• If you want to delete the existing RAID array, 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
Clear
Configuration
. Select
Yes
whenpromptedandfollowtheinstructionsonthescreen.
Attention:
Deleting an existing RAID array erases all data on the array. Ensure that you back up all
databeforedeletingtheRAIDarray.IftheoperatingsystemisinstalledontheRAIDarrayyouwantto
delete,youneedtoreinstalltheoperatingsystemafterdeletingtheRAIDarray.
• If you want to delete the existing RAID array and create a RAID array, exit the program and back
up all your data on the hard disk drives. After backing up all your data, enter the program main
interfaceandselect
New Configuration
. Select
Yes
whenpromptedtoproceedandthenfollowthe
instructions on the screen.
Attention:
Deleting an existing RAID array erases all data on the array. Ensure that you back up all
databeforedeletingtheRAIDarray.IftheoperatingsystemisinstalledontheRAIDarrayyouwantto
delete,youneedtoreinstalltheoperatingsystemafterdeletingtheRAIDarray.
Initializing a virtual drive
ThistopicprovidesinstructionsonhowtoinitializeavirtualdriveusingtheLSISoftwareRAIDConfiguration
Utility program after completing the configuration process.
Virtualdriveinitializationistheprocessofwritingzerostothedatafieldsofavirtualdriveand,infault-tolerant
RAIDlevels,generatingthecorrespondingparitytoputthevirtualdriveinareadystate.Initializationerases
alldataonthevirtualdrive.Drivegroupswillworkwithoutbeinginitialized,buttheycanfailaconsistency
check because the parity fields have not been generated.
Notes:
• Ensure that you back up any data you want to keep before initializing a virtual drive.
• Ensure that the operating system is not installed on the virtual drive you are initializing. Otherwise, you
need to reinstall the operating system after initializing the virtual drive.
Chapter 5
.
Configuring the server
67