Quick Raid Setup Using The Lsi Megaraid Bios Configuration Utility - Lenovo ThinkStation P900 User Manual

2. Press the up and down arrow keys to select Reset Disks to Non-RAID. Press Enter to enter the
RESET RAID DATA window.
3. Use the up and down arrow keys and the space key to mark individual hard disk drive to be reset,
and then press Enter to complete the selection.
4. When prompted, press Y to confirm the reset action.
5. If the hard disk drive you reset is part of a RAID volume, the computer might detect that the RAID volume
is degraded. In this case, you are prompted to select a hard disk drive to initiate a rebuild process.
6. Select an available hard disk drive, and then press Enter to initiate the rebuild process.
Note: Press Esc to cancel a rebuild process and keep the RAID volume in the degraded status. In the
Main Menu window under DISK/VOLUME INFORMATION, you will see the status of the RAID volume
is changed to Degraded.

Quick RAID setup using the LSI MegaRAID BIOS configuration utility

Notes:
• The LSI MegaRAID SAS adapter and the LSI MegaRAID BIOS configuration utility are only available
on some models.
• The following steps in this section are intended to guide you through a quick setup of basic
RAID functions with the LSI MegaRAID SAS adapter. For advanced setup and configuration
using this adapter, refer to the complete MegaRAID SAS Software User Guide that is available at
http://support.lenovo.com/en_US/guides-and-manuals/detail.page?DocID=UM007543.
This section provides information about the following topics:
• "Installing SATA or SAS hard disk drives" on page 47
• "Entering the LSI MegaRAID BIOS configuration utility" on page 48
• "Creating RAID volumes using the LSI MegaRAID BIOS configuration utility" on page 48
• "Deleting RAID volumes using the LSI MegaRAID BIOS configuration utility" on page 49
• "Setting the hot spare hard disk drive" on page 49
Installing SATA or SAS hard disk drives
Ensure that your computer has the minimum number of SATA or SAS hard disk drives installed for the
following supported levels of RAID:
• RAID Level 0 - Striped disk array
– A RAID Level 0 hard disk drive group consisting of at least one hard disk drive
– Supported strip size: 8 KB to 1 MB
– Better performance without fault tolerance
• RAID Level 00 - Spanned hard disk drive group with a series of RAID 0 hard disk drive groups
– A RAID Level 00 hard disk drive group consisting of two or four hard disk drives
– Supported strip size: 8 KB to 1 MB
– Better performance without fault tolerance
• RAID Level 1 - Mirrored disk array
– A RAID Level 1 hard disk drive group consisting of two or four hard disk drives
– Improved read performance and 100% redundancy
• RAID Level 10 - A combination of RAID Level 0 and RAID Level 1
– A RAID Level 10 hard disk drive group consisting of four hard disk drives
.
Chapter 5 Advanced configuration
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