Enabling and configuring the controller 7
4.
Ensure that you are using the correct AHCI or RAID system drivers for your SATA option.
5. Select a setting and press Enter:
a. Enable SATA AHCI Support—Enables the embedded chipset SATA controller for AHCI.
b. Enable HPE Dynamic Smart Array RAID Support—Enables the embedded chipset SATA
controller for Dynamic Smart Array RAID.
6. Press the F10 key to save your selection.
Configuring an array
For the most efficient use of drive space, all drives within an array should have approximately the same
capacity. Each configuration utility treats every physical drive in an array as if it has the same capacity as
the smallest drive in the array. Any excess capacity of a particular drive cannot be used in the array.
Therefore, the capacity is unavailable for data storage.
The more physical drives that are in an array, the greater the probability that the array will experience a
drive failure during any given period. To reduce the risk of data loss that might occur when a drive fails,
configure all logical drives in an array with a suitable fault-tolerance (RAID) method.
To configure an array, use Intelligent Provisioning (on page 24) to enter HPE SSA ("HPE Smart Storage
Administrator" on page 23). For more information about using HPE SSA to configure an array, see the
Smart Storage Administrator User Guide on the Hewlett Packard Enterprise website
(http://www.hpe.com/info/smartstorage/docs).
Setting the controller read cache
HPE Dynamic Smart Array RAID controllers can use a configurable amount of main system memory for
read caching. The default amount of memory used is 64 MB. However, this value can be set to 0, 64, or
128 MB.
Use HPE SSA ("HPE Smart Storage Administrator" on page 23) in offline mode to configure the amount
of read cache. For more information, see the Smart Storage Administrator User Guide on the Hewlett
Packard Enterprise website (http://www.hpe.com/info/smartstorage/docs).
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