iDRAC6 communication failure Problem

Hello, 

I am getting this error while system booting: "idrac6 communication failure" 

I've found these steps regarding to resolution of the problem: 

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I am afraiding perform step 4 because i am afriad it affect raid settings and that end up with data loss. So my question is would step 4 affect raid settings or not ? 

Thanks in advance.

Best regards.