Migration from non-nvme to nvme AWS instance fails

Solution Verified - Updated -

Issue

  • Upgrading from AWC T2 instance to T3
  • Boot fails after moving instance with NVMe errors
  • NVMe driver modules present in /lib/modules
  • AWS test script returns no nvme driver found
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OK     NVMe Module is installed and available on your instance


ERROR  NVMe Module is not loaded in the initramfs image.
    - Please run the following command on your instance to recreate initramfs:
    # sudo dracut -f -v


OK     ENA Module with version 2.0.3K is installed and available on your instance


OK     fstab file looks fine and does not contain any device names. 

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Environment

  • Red Hat Enterprise Linux 7
  • Amazon AWS nvme instance (T3)

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