Dell Bootable Firmware Update ISO - is invalid

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Dell Hardware Firmware

Today I hit a bit of a speed bump during some ESXi host upgrades. I like to roll out firmware upgrades while I’m upgrading ESXi, and some Dell M620’s decided they didn’t want to play ball.

I was using the Dell Bootable Firmware Update utility available here. While the ISO was in fact bootable, none of the scripts or inventory collectors were able to run. Repeated attempts to mount the virtual CDROM would fail, followed by this message:

/opt/dell/toolkit/systems/drm_files/ is invalid….

Quick search online gave me several suggestions to keep restarting the blade (?) and hope the updater would start. Nuts to that, I’ve got better things to do.

Thanks to user ppcattoronto on the Dell Community site, there was a suggestion to manually mount the CDROM and execute the update script.

The following steps should be done after you’ve received the ‘ is invalid’ message and you’re at the “Press Enter to reboot” prompt.

  1. Press ALT+F2 and press Enter to access a new console.
  2. Type the following and press enter

    mount /dev/cdrom /opt/dell/toolkit/systems
  3. Type the following and press enter

  4. The update script will start.

Again, big thanks to ppcattoronto for this fix.

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About Stellios Williams
Technical Account Manager VMware
This is my personal tech related blog for anything private and public cloud - including homelabs! My postings are my own and don’t necessarily represent VMware’s positions, strategies or opinions. Any technical guidance or advice is given without warranty or consideration for your unique issues or circumstances.
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