A new version of the script is posted below (v3). This version adds additional support for UEFI boot on UCS Rack Servers.
About the Cisco Standalone C-Series Host Update Utility USB Image Utility:
This utility is designed to assist users who want to update firmware on their standalone C-Series server from a USB drive. Specific, this utility will write the HUU ISO image to a bootable USB stick. This USB stick can be used to update firmware on a standalone C-Series server either by changing the boot order or manually selecting the USB device in the <F6> boot menu.
Requirements: - HUU USB Image Utility - Linux Server (Tested with RHEL 6.4 and CENTOS 6.4) - The following package must be installed: syslinux-4.02-8.el6.x86_64 (or later) - Standalone C-Series HUU Image (to be written)
Note: You may need to unmount the drive to properly execute the script. (umount <dev>)
sh create_util_usb_v2.sh <UCSB Device> <file.iso>
OR sh create_util_usb_v2.sh /dev/sdb ucs-c240-huu-220.127.116.11.iso
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channel-group 1 force
channel-group 1 force