We have an I5 Model 520, with a 5755 tape drive attached. We upgraded from V5R3 to V5R4 about a month ago and shortly after, the attention light on the tape came on (blinks). We thought maybe an IPL would clear this up or by cleaning the tape drive several times, but no luck. We can't seem to find any problems in the logs. Our local service rep didn't seem to have an answer for us. Where else can I look at what this might be?
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