Configuring Raid With Avago Megaraid Configuration Utility - Lenovo ThinkStation P920 Hardware Maintenance Manual

3. Under RAID Volumes, select the RAID volume that you want to delete and press Enter. The RAID
VOLUME INFO window is displayed.
4. Select Delete under Volume Actions and press Enter. When prompted, select Yes and press Enter to
confirm the deletion of the selected RAID volume.
5. To save settings and exit the Setup Utility program, press F10 or Fn+F10 (depending on the keyboard
settings), select Yes in the window displayed, and press Enter.

Configuring RAID with AVAGO MegaRAID Configuration Utility

To configure RAID with AVAGO MegaRAID Configuration Utility, ensure that:
• An AVAGO MegaRAID adapter is installed in your computer.
• The storage drives used for RAID configuration are connected to the installed AVAGO MegaRAID adapter
instead of the system board.
Storage drive requirements for RAID levels
Your computer supports the following RAID levels:
• RAID 0: striped disk array
– Consists of at least two SATA or Serial Attached SCSI (SAS) storage drives
– Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB
– Better performance without fault tolerance
• RAID 00: spanned storage drive group with a series of RAID 0 storage drive groups
– Consists of two or four SATA or SAS storage drives
– Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB
– Better performance without fault tolerance
• RAID 1: mirrored disk array
– Consists of two or four SATA or SAS storage drives
– Improved read performance and 100% redundancy
• RAID 10: striped and mirrored disk array (a combination of RAID 0 and RAID 1)
– Consists of four SATA or SAS storage drives
– Data being striped across storage drive groups
– Provides both high data transfer rates and complete data redundancy
• RAID 5: block-level striped disk array with distributed parity
– Consists of at least three SATA or SAS storage drives
– Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB
– Better performance and fault tolerance
– Available only on some models of AVAGO MegaRAID adapters
• RAID 6: block-level striped disk array with dual distributed parity
– Consists of at least four SATA or SAS storage drives
– Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB
– Better performance and fault tolerance that can stand up to loss of two storage drives
– Available only on some models of AVAGO MegaRAID adapters
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P920 Hardware Maintenance Manual