Configuring Raid; An Introduction To Raid - Lenovo 30BA User Manual

1. Go to
http://www.lenovo.com/support
2. To update the BIOS from your operating system, download the flash BIOS update driver according to
your operating system version. To update the BIOS from a flash update disc, download the ISO image
version (used to create a flash update disc). Then, download the installation instructions for the flash
BIOS update driver.
3. Print the installation instructions you download and follow the instructions to update the BIOS.
Note: If you want to update the BIOS from a flash update disc, the installation instructions might not
provide the instructions on how to record the update disc. See "Recording a disc" on page 20.
Recovering from a BIOS update failure
To recover from a BIOS update failure, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See Chapter 7 "Hardware removal and installation" on page 63.
3. Locate the Clear CMOS /Recovery jumper on the system board. See "Hardware locations" on page 1.
4. Remove any parts and cables that impede your access to the Clear CMOS /Recovery jumper.
5. Move the jumper from the standard position (pin 1 and pin 2) to the maintenance position (pin 2 and pin
3).
6. Reinstall the parts and cables that were removed.
7. Reinstall the computer cover and reconnect any cables that were disconnected. See Chapter 7
"Hardware removal and installation" on page 63.
8. Turn on the computer and insert the BIOS update disc into the optical drive. Wait a few minutes. The
recovery process begins. After the recovery process is completed, your computer will shut down
automatically.
Note: If the computer does not start up from the disc, select the disc as the startup device. See
"Selecting a temporary startup device" on page 42.
9. Repeat steps 1–4.
10. Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2).
11. Repeat step 6 and step 7. Then, turn on your computer.

Configuring RAID

This section provides information about storage drive requirements for RAID levels, and instructions on how
to configure RAID for your computer. Depending on your computer model and configuration, you can
configure RAID using one of the following utilities:
• Intel Rapid Storage Technology enterprise (RSTe) configuration utility
• AVAGO MegaRAID Configuration Utility
• Intel Virtual RAID on CPU configuration utility

An Introduction to RAID

RAID is a technology that provides increased storage functions and reliability through redundancy.
When a group of independent physical storage drives is set up to use RAID technology, they are in a RAID
array. This array distributes data across multiple storage drives, but the array appears to the host computer
.
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Chapter 5 Advanced configuration
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