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Supermicro PSU yellow light on battery power?
(alien.top)
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this post was submitted on 24 Nov 2023
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Yeah it kills the server. The one on battery doesn't sustain anything. The UPS is not giving any backup power for black/brown outs for that particular server regardless now.
Is this really just PSU? Or it's tied into the MB somehow?
Assuming this isn’t user error, where you have your Server plugged into outlets that are only surge protected and not battery powered, you have it backwards. Your server, or more specifically the power supplies, power controller, and the BMC (if you have one), aren’t DRAWING any power from your UPS because they don’t consider it clean enough to use. The UPS doesn’t “give” anything.
Check to make sure you’re using ports that are powered under battery and if so your options are to get a new UPS that generates a pure sine wave, get a new server that doesn’t care, or just plug it straight into the wall and know that it will shut down during a power outage.