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We have a HP DL 360 Gen 8 server with two power supplies. Each of them have a different firmware, one of them is running ver 1 and the other is running ver 2. The PDU supplying power to them tripped so can any one confirm if the firmware difference caused this issue.

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HP ProLiant Gen8 power supplies do have firmware revisions.

Here's a screenshot from the ILO4 interface:

Note the Model, Spare and Firmware fields... enter image description here

Can you provide the same information from your server's ILO?

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The different firmware levels would not cause this. Also, there is no reason that faults in power supplies would cause a PDU to trip. You should look into your PDU.

To protect yourself from issues on a PDU, you should plug each power supply into separate PDUs. This is the reason you would use multiple power supplies in a single device.

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If you really want to ensure that all firmware is at the latest level, I suggest you boot the SPP DVD. This will allow you to flash all components who's firmware can take an upgrade. Give that a shot and see if it changes anything.

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