Refer: https://serverfault.com/questions/932247/how-to-recover-a-cached-lvm-with-cache-on-ram-disk

1. Insert a new disk, or create a loop device using memory (if it's not large enough, you're out of luck)

2. After lvm, execute the following to remove cache

I recently built a Z270 + 1240v6 system and planned to run it headless (without even a graphics card!). However, I ran into issues - after removing the graphics card, the network failed and the CPU fan ran slowly.

I thought a kernel module crash caused a kernel panic and spent hours troubleshooting. Finally, I found this blog post and discovered the issue was PCIE changes causing the network interface name to change. So I modified netplan to: