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# RAID Controller/Hard Disk SMART Data

You can view information about the RAID controller or hard disk SMART data on the General Controller Information page. This information is not needed during normal system operations, but it can be helpful for diagnosing specific hardware issues. Due to the redundant nature of RAID storage, a single drive failure will not disable your system. Instead, performance degrades. Use this report to determine whether a performance issue is caused by a disk failure. Customer support can also use this information to diagnose problems.

To view the General Controller Information screen:

1. Click Administration > Setup > System Admin from the top-level menu bar.

2. Click RAID Controller in the Storage section in the left panel.

   Note: On some older models, the Hard Disk SMART Data menu item displays in the left pane instead of the RAID Controller menu item. Click Hard Disk SMART Data in the Storage section in the left pane to display diagnostic information from the hard drive.

1. The information displayed depends on the hardware model of your system. Click the arrows to open and close the sections.

   Note: If the General Controller Information is not displayed, run `hpacucli controller slot=0 show config detail`.