HP Z840 Maintenance and Service Guide - Page 123

Configuring RAID on an LSI 9270-8i MegaRAID controller, RAID 0, Configuration

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Configuring RAID on an LSI 9270-8i MegaRAID controller This section explains how to use the LSI Logic Configuration Utility to set up SATA or SAS RAID arrays on the LSI 9270-8i MegaRAID controller. NOTE: These instructions apply to both Windows-based systems and Linux-based systems. RAID 0 Follow these steps to configure a RAID 0 volume with the BIOS-based configuration utility. The procedure assumes that the system has the required disk and disk controllers. NOTE: For more information about the 9270-8i RAID controller, see the MegaRAID SAS Software User Guide at http://www.lsi.com/downloads/Public/RAID%20Controllers/RAID%20Controllers%20Common%20Files/ 51530-00_RevO.zip, particularly the "Introduction to RAID" and "WebBIOS Configuration Utility" sections. 1. Be sure the drives you want to configure are connected to the LSI 9270-8i MegaRAID controller. 2. During startup, press Ctrl+H to enter the LSI 9270-8i WebBios utility. Use the arrow keys and the space bar to navigate and select options. 3. Configure the array: a. In the left pane, select Configuration Wizard. b. Select Add Configuration, and then select Next. c. Select Manual Configuration, and then select Next. d. Select the drives to include in the RAID array, and then select Add To Array. e. Select Accept DG, and then select Next. f. Select Add to SPAN, and then select Next. 4. Select the desired options for your RAID array. Available options: ● RAID Level (available options depend on the number of disks in your RAID volume): RAID 0, RAID 1, RAID 5, RAID 6 ● Strip Size: 8KB, 16KB, 32KB, 64KB, 128KB, 256KB, 512KB, 1MB ● Access Policy: RW (Read/Write), Read Only, Blocked ● Read Policy: Normal, Ahead ● Write Policy: Write Through, Always Write Back, Write Back with BBU ● IO Policy: Direct, Cached ● Drive Cache: No Change, Enable, Disable ● Disable BGI: No, Yes ● Select Size: Specify the size of the RAID array 5. Select Next. 6. A message warns you of the effect of your particular Write Policy setting: Configuring RAID on an LSI 9270-8i MegaRAID controller 113

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Configuring
RAID on an LSI 9270-8i MegaRAID controller
This section explains how to use the LSI Logic
Configuration
Utility to set up SATA or SAS RAID arrays on the
LSI 9270-8i MegaRAID controller.
NOTE:
These instructions apply to both Windows-based systems and Linux-based systems.
RAID 0
Follow these steps to
configure
a RAID 0 volume with the BIOS-based
configuration
utility. The procedure
assumes that the system has the required disk and disk controllers.
NOTE:
For more information about the 9270-8i RAID controller, see the
MegaRAID SAS Software User Guide
at
downloads/Public/RAID%20Controllers/RAID%20Controllers%20Common%20Files/
51530-00_RevO.zip
, particularly the “Introduction to RAID” and “WebBIOS
Configuration
Utility” sections.
1.
Be sure the drives you want to
configure
are connected to the LSI 9270-8i MegaRAID controller.
2.
During startup, press
Ctrl+H
to enter the LSI 9270-8i WebBios utility. Use the arrow keys and the space
bar to navigate and select options.
3.
Configure
the array:
a.
In the left pane, select
Configuration
Wizard
.
b.
Select
Add
Configuration
, and then select
Next
.
c.
Select
Manual
Configuration
, and then select
Next
.
d.
Select the drives to include in the RAID array, and then select
Add To Array
.
e.
Select
Accept DG
, and then select
Next
.
f.
Select
Add to SPAN
, and then select
Next
.
4.
Select the desired options for your RAID array. Available options:
●
RAID Level (available options depend on the number of disks in your RAID volume): RAID 0, RAID 1,
RAID 5, RAID 6
●
Strip Size: 8KB, 16KB, 32KB, 64KB, 128KB, 256KB, 512KB, 1MB
●
Access Policy: RW (Read/Write), Read Only, Blocked
●
Read Policy: Normal, Ahead
●
Write Policy: Write Through, Always Write Back, Write Back with BBU
●
IO Policy: Direct, Cached
●
Drive Cache: No Change, Enable, Disable
●
Disable BGI: No, Yes
●
Select Size: Specify the size of the RAID array
5.
Select
Next
.
6.
A message warns you of the
effect
of your particular Write Policy setting:
Configuring
RAID on an LSI 9270-8i MegaRAID controller
113