HP StorageWorks 2000 Series Reference Manual page 200

When you have confirmed a drive fault, record the drive's enclosure number and
slot number.
To identify the physical location of a faulty drive:
1. Select Manage > Utilities > Disk Drive Utilities > Locate Disk Drive.
2. Select the faulty drive.
If the drive is absent or not fully inserted, it is represented with a white rectangle
and is not selectable, as shown in the following example.
3. Click Update LED Illumination.
The upper LED on the selected drive illuminates solid blue.
The Disk Error Stats page provides specific drive fault information. It shows a
graphical representation of the enclosures and disks installed in the system. The
Disk Error Stats page can be used to gather drive information and to identify
specific drive errors. Additionally, you can capture intermittent errors.
To view the disk drive error statistics:
1. Select Monitor > Statistics > Disk Error Stats.
The top panel displays all enclosures and drives in the storage system.
2. Select the drive whose error statistics you want to view.
3. Click Show Disk Drive Error Statistics.
The drive error data for the selected disk is displayed in the second panel.