After the expansion cable is plugged in, log in to the ISM, and choose from the menu bar. In the displayed Event Management dialog box, click the Events tab. Select device and source, and click Query. Check whether Recovered At of the Disk Enclosure Is Offline event is displayed.
If the indicator is green on, it indicates that the disk enclosure is powered on. If the indicator is off, it indicates that the disk enclosure is powered off.
After the disk enclosure is powered on, on the ISM, choose from the menu bar. In the displayed Event Management dialog box, click the Events tab. Select device and source, and click Query. Check whether Recovered At of the Disk Enclosure Is Offline event is displayed.