Lenovo ThinkServer RD330 MegaRAID SAS Software User Guide - Page 72

Accept, Manual Configuration, Add To Array, Reclaim

Page 72 highlights

Chapter 4: WebBIOS Configuration Utility | Creating a Storage Configuration MegaRAID SAS Software User Guide 4.5.3.2 Using Manual Configuration: RAID 1 Page 72 Figure 34: RAID 0 Configuration Preview 11. Check the information in the configuration preview. 12. If the virtual drive configuration is acceptable, click Accept to save the configuration. Otherwise, click Back to return to the previous screens and change the configuration. 13. If you accept the configuration, click Yes at the prompt to save the configuration. The WebBIOS main menu appears. In RAID 1, the RAID controller duplicates all data from one drive to a second drive. RAID 1 provides complete data redundancy, but at the cost of doubling the required data storage capacity. It is appropriate for small databases or any other environment that requires fault tolerance but small capacity. When you select Manual Configuration and click Next, the Drive Group Definition screen appears. You use this screen to select drives to create drive groups. 1. Hold while you select two ready drives in the Drives panel on the left. You must select an even number of drives. 2. Click Add To Array to move the drives to a proposed drive group configuration in the Drive Groups panel on the right, as shown in Figure 35. 3. If you need to undo the changes, click Reclaim. 4. Choose whether to use drive encryption. NOTE: A RAID 1 virtual drive can contain up to 16 drive groups and 32 drives in a single span. (Other factors, such as the type of controller, can limit the number of drives.) You must use two drives in each RAID 1 drive group in the span.

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Page 72
MegaRAID SAS Software User Guide
Chapter 4: WebBIOS Configuration Utility
|
Creating a Storage Configuration
Figure 34:
RAID 0 Configuration Preview
11. Check the information in the configuration preview.
12. If the virtual drive configuration is acceptable, click
Accept
to save the
configuration. Otherwise, click
Back
to return to the previous screens and change
the configuration.
13. If you accept the configuration, click
Yes
at the prompt to save the configuration.
The WebBIOS main menu appears.
4.5.3.2
Using Manual
Configuration: RAID 1
In RAID 1, the RAID controller duplicates all data from one drive to a second drive. RAID
1 provides complete data redundancy, but at the cost of doubling the required data
storage capacity. It is appropriate for small databases or any other environment that
requires fault tolerance but small capacity.
When you select
Manual Configuration
and click
Next
, the Drive Group Definition
screen appears. You use this screen to select drives to create drive groups.
1.
Hold <Ctrl> while you select two ready drives in the Drives panel on the left. You
must select an even number of drives.
2.
Click
Add To Array
to move the drives to a proposed drive group configuration in
the Drive Groups panel on the right, as shown in
FigureĀ 35
.
3.
If you need to undo the changes, click
Reclaim
.
4.
Choose whether to use drive encryption.
NOTE:
A RAID 1 virtual drive can contain up to 16 drive groups and 32 drives in a single
span. (Other factors, such as the type of controller, can limit the number of drives.) You
must use two drives in each RAID 1 drive group in the span.