As my system was very slow to boot, while grub loaded, I press the Esc key see what was wrong. The error related to "failed to connect to lvmetad" occurred frequently. This error is due to improperly configured swap file for the resume of the laptop on hibernate. To fix this, open a terminal window … Continue reading What to do if “failed to connect to lvmetad” slows down booting on Linux Mint or Ubuntu
In /etc/fstab, any file system entry has a long hex digit number. That is the UUID of the device. To get the UUID, you can type following command in a terminal window: sudo blkid <enter> Use the value returned to add to your entry in /etc/fstab for the device you want to add.