Controls how systemd will interpret the root FS in initrd. See kernel-command-line(7). NixOS currently does not allow specifying the root file system itself this way. Instead, the fstab value is used in order to interpret the root file system specified with the fileSystems option.
Declarations
Type
one of "fstab", "gpt-auto"Default
"fstab"Example
"gpt-auto"