Blinking And Unblinking The CacheCade
In the CacheCade(s) page, navigate to the CacheCade that you want to blink and select Blink ... from the available Tasks drop-down list box.
The LED of the physical disk(s) participating in the CacheCade turns on.
To unblink the physical disk in the CacheCade(s) page, go to the CacheCade disk that you want to unblink and select Unblink ... from the available Tasks drop-down list box.