9
6. For redundant RAID arrays (RAID 5, 50), select the Cache Policy:
Write Back – Provides higher write performance for redundant RAID arrays. Data is at risk when there is a
power failure, system kernel panic and unresponsive abnormal conditions.
Write Through – Writes directly to the disks (may reduce the risk of data loss during a critical failure, but at
the cost of lower performance).
7. Sector Size – Also known as “Variable Sector Size”. Use this option if you are using an older 32-bit Windows
operating system. This allows older operating systems to support volumes over 2TB in size. Do not use if the
operating system already supports large volumes (such as GPT).
8. To complete the creation procedure, use the arrow key to highlight the Start Creation item and press the Enter
key.
The Window will show 2 options when creating a RAID 5 array: Background Initialization and No initialization.
Background initialization:
The RAID array is accessible while disk initialization is being performed.
A. This option will delete all content on the disks.
B. The initialization time will be longer when compared to "Foreground" but the logical drives can be used
during the initialization process.
No initialization:
The No initialization option is recommended for use when rescuing an original array of for testing purposes.
This option will not make any changes to the data area of each disk. When you select this option, a pop-up
window will display; press Y (yes) to create the array, or N (no) to cancel the creation process.
4.1.5 Delete Arrays
Highlight the Delete command from the toolbar, and press the Enter key.
The BIOS utility will display a list of available RAID arrays. Select the array you wish to delete, and press the Enter
key.
The utility will display a warning message. Press Y (yes) to delete the array, or select N (no) to cancel.
Warning: All data stored on the array will be lost – do not delete if the array contains critical data.
4.1.6 Add/Remove Spare Disks
The Add/Remove Spare command is used to assign a hard disk to act as a Spare Disk. Spare Disks are used to
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