Do you already have the firmware to do the upgrade? In most case you will launch the file and it will start on the lead controller first. Once the lead controller has been updated it will do the secondary controller. It is best to contact support to ensure that there is no issue when you are doing the firmware upgrade.
Please let us know if you have any other questions.
DELL-Sam L
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March 4th, 2019 08:00
Hello yong_ting,
Do you already have the firmware to do the upgrade? In most case you will launch the file and it will start on the lead controller first. Once the lead controller has been updated it will do the secondary controller. It is best to contact support to ensure that there is no issue when you are doing the firmware upgrade.
Please let us know if you have any other questions.