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2. Make sure you update the FIRMWARE for the Server in question first
3. Update the CONTROLLER firmware and drivers




You sure about that order? I run a DELL server farm and one time I updated the firmware before the driver and regretted it.

Personally, I would never extend a partition. I would image the server, scrub, build a brand new RAID container, and drop the image back onto it. More often than not, I migrate the application/data to another pristine server and then scrub the old one afterwards.
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