Lenovo ThinkStation P920 Tower Workstation - Manual (Page 58)

5. Select a RAID volume and press Enter to view the detailed information.
6. Press F10 or Fn+F10 to save the changes and exit.
Delete a RAID volume
Attention: All the existing data stored on the selected drives will be erased after you delete RAID volumes.
To delete a RAID volume:
1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1.
2. Select Advanced ➙ AVAGO MegaRAID Configuration Utility .
3. Select Main Menu and press Enter.
4. Select Virtual Drive Management and press Enter.
5. Select the RAID volume that is not needed and press Enter.
6. Under Operation , select Delete Virtual Drive and press Enter.
7. Select Go and press Enter. When prompted, select Confirm and press Enter. Then, select Yes and
press Enter to delete the RAID volume.
8. Press F10 or Fn+F10 to save the changes and exit.
Configuring RAID with Intel Virtual RAID on CPU
To configure RAID with the Intel Virtual RAID on CPU configuration utility, ensure that:
• An upgrade key module is connected to the Virtual RAID on CPU (VROC) connector on the system board.
See “Hardware locations” on page 1.
• M.2 solid-state drives are installed in your computer.
Storage drive requirements for RAID levels
Your computer supports the following RAID levels:
• RAID 0: striped disk array
– Consists of at least two M.2 solid-state drives
– Supported strip size: 4 KB, 8 KB, 16 KB, 32 KB, 64 KB, or 128 KB
– Better performance without fault tolerance
• RAID 1: mirrored disk array
– Consists of two M.2 solid-state drives
– Improved reading performance and 100% redundancy
• RAID 10: striped and mirrored disk array (a combination of RAID 0 and RAID 1)
– Consists of four M.2 solid-state drives
– Supported strip size: 4 KB, 8 KB, 16 KB, 32 KB, or 64 KB
• RAID 5: block-level striped disk array with distributed parity
– Consists of at least three M.2 solid-state drives
– Supported strip size: 16 KB, 32 KB, 64 KB, or 128 KB
– Better performance and fault tolerance
– Available only on some models of upgrade key modules
46 P920 User Guide