1. Check that 12 hard disks are properly installed, and Active indicators are green.
2. Press the power button to power off the server, and open the shelf to check SAS cable connections for the RAID controller card.
3. Remove and reinstall SAS cables to power on the server. Then enter the configuration interface of the RAID controller card, and find that information about 12 present hard disks is displayed in the SAS topology.
Figure 2 Detecting 12 hard disks in the 1068E configuration interface