Tip: You can select only a disk which status is "Unconfigured Good"
(unused).
To select multiple disks, click a disk while pressing Ctrl.
5. After selecting two disks to build a disk array, click Add To Array.
6. Status of those selected disks is Online as shown in the Drive Groups
pane. Click Accept DG.
MegaRAID WebBIOS for storage expansion blades
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Hitachi Compute Blade 500 Series EFI User's Guide