About the Cisco Host Upgrade Utility
The Cisco Host Upgrade Utility (hereafter referred to as HUU) is a tool that you can use to upgrade the firmware on a Cisco UCS C-Series server. HUU includes an option that enables you to download a container for a selected platform on a Windows operating system. You can download the container from the HUU ISO by burning the ISO on a physical media. When you insert the physical media into the server, auto-run launches an Index.html page in your browser. This index.html page provides access to the location from where you can download the container. You also can download the container from the ISO using the standard ISO extraction utilities.
HUU provides a user interface where you can choose the firmware components that need an upgrade. In the previous releases (1.4(x)), HUU provided a text menu from which you could choose the components and initiate the upgrade. From version 1.5(x) onwards, HUU provides a graphical user interface to perform an upgrade.
You can upgrade the firmware on the following components using HUU:
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Baseboard Management Controller (BMC)
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BIOS
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Chassis Management Controller (CMC)
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SAS Expander
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UCSC-C3260-SIOC
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LSI
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UCS S3260 12G SAS Pass through Controller
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Cisco RAID controller for UCS C3X60 Storage Servers
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UCS S3260 Double Rock Pass through Controller
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Cisco UCS C3000 RAID controller for M4 Servers
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For updated information on the components supported by various servers, see the Release Notes for Cisco UCS C-Series Software.
For information about upgrading the firmware on C-Series servers using non-interactive HUU, see the Cisco UCS Rack-Mount Servers XML API Programmer Guide.