ESXi local datastores missing after ESXi upgrade 6.7 to 7.0

After upgrading to 7.0 the system datastore was missing (attached via SATA).  Related to this article I had previously disabled the built in (native) AHCI driver of ESXi due to poor performance.  Enabling it again followed by a reboot of the host resolves the issue:

You can verify if any modules are disabled with the following command (in this case we are looking for vmw_ahci)

esxcli system module list | grep false

Re-enable it:

esxcli system module set --enabled=true --module=vmw_ahci

Then reboot

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