When working with HPE server systems, we come across terms like SUM and SUT.
So, today we will go through the basics and differences among those two. Most of us know SUM, which stands for Smart Update Manager. HP Smart Update Manager is a product which updates firmware and software on HPE Synergy Compute Modules, HPE ProLiant servers, and firmware on HPE Integrity and HPE ProLiant Moonshot servers. HP SUM has a browser-based GUI; as well as a scriptable interface using legacy command line interface, input file, and interactive command line interface modes. Typically this ISO is burned into a DVD or flash drive. Once the media has been created we typically boot from that media and carry out the installation as required.
Now lets look at SUT (Smart Update Tools)
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Integrated Smart Update Tools (iSUT) is the smart update solution for performing online firmware and driver updates. iSUT is used with iLO 4, iLO 5, and with update solutions (management appliances such as iLO Amplifier Pack or HPEOneView and Smart Update Manager (SUM) to stage, install, and activate firmware and driver updates.
This solution basically reduces the downtime and manual work which is required by the IT support personnel. In order to SUT work, the toolkit should be installed on the host Operating System (ex: esxi, windows, linux). SUT is really useful if your environment is having multiple servers. Unlike in SUM, the SUT configuration requires additional steps and some knowledge on FIPS security levels. HPE provides a great guide on SUT configuration, if need to learn more about FIPS, you may have a quick look on that as well.