Unfortunately using dd to write the .iso results in this error:
"Error Firmware copy has failed (Error Code : 906). This is a critical error and host will reboot. Do you wish to save logs before rebooting?"
I tried the script attached to this page again and this time on CentOS 6.5 but the script fails at:
/tmp/HUU/EFI/BOOT/grub.conf' -> `/tmp/usb2.4196/./EFI/BOOT/grub.conf
I found that the file is named grub.cfg rather than .conf which is found on line 205 of the script, however due to changes in grub I am not at all certain that manually correcting this will produce the correct result.
After opening a case with Cisco they convinced me to install Flash and JAVA 6.31 on my management station so I could use the KVM console and activate Virtual Media devices to mount the iso file from my workstation to a virtual CDROM on the console. Will attempt the upgrade shortly.
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