IBM SAN issue

Does anyone know how to force a HD at the OS level (window server 2003,2008) to blink thus indicating the drives needs to be replaced?

We are getting predictive failures and dispatch a tech to fix the drive in the san but of course they don't know which one it is and IBM is no help as are switching contracts.
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Thomas RushCommented:
It's probably possible through whatever management utility IBM provides for your disk subsystem.   Since they make and have made many different SAN storage solutions, I think you won't find a knowledgeable answer until you tell us exactly which IBM SAN you have.

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