Chapter 7. Installing Hard Disk Drives And Configuring Raid (Types 4105, 4157, 4217); Copyright Lenovo 2008; Installing Sata Hard Disk Drives And Configuring Raid; Installing Sata Hard Disk Drives - Lenovo ThinkStation Hardware Maintenance Manual

Chapter 7. Installing hard disk drives and configuring RAID
(types 4105, 4157, 4217)
This chapter contains information about installing hard disk drives and configuring
Redundant Array of Independent Disks (RAID) for this product.
Note: The information about configuring RAID in this chapter is applicable only

Installing SATA hard disk drives and configuring RAID

This section contains information about the required number of SATA hard disk
drives for the supported level of RAID and SATA RAID configuration.

Installing SATA hard disk drives

Your computer must have the minimum number of SATA hard disk drives
installed for the supported level of RAID below:
v RAID Level 0 – Striped disk array
v RAID Level 1 – Mirrored disk array
v RAID Level 5 – Block-level striped disk array with distributed parity
To install a new SATA hard disk drive, refer to the installation procedure in
"Replacing a hard disk drive" in the ThinkStation Hardware Installation and
Replacement Guide.
Configuring the system BIOS to enable SATA RAID
functionality
This section describes how to configure the system BIOS to enable SATA RAID
functionality.
Note: Use the arrow keys on the keyboard to make selections.
1. Press F1 to enter the system BIOS setup. See "Starting the Setup Utility
2. Select Devices → IDE Drives Setup and press Enter.
3. Select SATA RAID Enable and press Enter.
4. Select Enabled and press Enter.
5. Press F10 to save the new settings and exit.
© Copyright Lenovo 2008
for a Windows environment. For information about configuring RAID in a
Linux environment, contact your Linux software provider.
– Two hard disk drives minimum
– Better performance without fault tolerance
– Two hard disk drives minimum
– Improved read performance and 100% redundancy
– Three hard disk drives minimum
– Data striped at the byte level
– Stripe error correction information
– Better performance and fault tolerance
program" on page 51.
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