After converting a couple of legacy  Ubuntu 6(!)  VMs from ESXi vmdks to qcow2, in Proxmox I setup the vm guests and chose the SATA interface for the qcow2 images. During boot up, grub was showing the error  “Begin: Waiting for root file system… …” And after a minute or two waiting. “ALERT! /dev/sda1 does […]