Systemd
How to mount filesystem in certain order one after the other in CentOS/RHEL
Mount filesystem in certain order during reboot one after the other using systemd unit file or /etc/fstab using RequiresMountsFor x-systemd.requires- mounts-for …
Beginners Guide on systemd tutorial in Linux
Overview on systemd unit file. Create your own systemd service unit file with example. Difference between Requires, Wants and Conflicts in unit file