# dracut.bootup

## NAME



           dracut.bootup - boot ordering in the initramfs
    


## DESCRIPTION



           This flow chart illustrates the ordering of the services, if
           systemd is used in the dracut initramfs.
    
                                                   systemd-journal.socket
                                                              |
                                                              v
                                                   dracut-cmdline.service
                                                              |
                                                              v
                                                   dracut-pre-udev.service
                                                              |
                                                              v
                                                    systemd-udevd.service
                                                              |
                                                              v
               local-fs-pre.target                dracut-pre-trigger.service
                        |                                     |
                        v                                     v
                (various mounts)  (various swap  systemd-udev-trigger.service
                        |           devices...)               |             (various low-level   (various low-level
                        |               |                     |             services: seed,       API VFS mounts:
                        v               v                     v             tmpfiles, random     mqueue, configfs,
                 local-fs.target   swap.target     dracut-initqueue.service    sysctl, ...)        debugfs, ...)
                        |               |                     |                    |                    |
                        \_______________|____________________ | ___________________|____________________/
                                                             \|/
                                                              v
                                                       sysinit.target
                                                              |
                                            _________________/|\___________________
                                           /                  |                    \
                                           |                  |                    |
                                           v                  |                    v
                                       (various               |              rescue.service
                                      sockets...)             |                    |
                                           |                  |                    v
                                           v                  |              rescue.target
                                    sockets.target            |
                                           |                  |
                                           \_________________ |                                 emergency.service
                                                             \|                                         |
                                                              v                                         v
                                                        basic.target                             emergency.target
                                                              |
                                       ______________________/|
                                      /                       |
                                      |                       v
                                      |            initrd-root-device.target
                                      |                       |
                                      |                       v
                                      |            dracut-pre-mount.service
                                      |                       |
                                      |                       v
                                      |                  sysroot.mount
                                      |                       |
                                      |                       v
                                      |             initrd-root-fs.target
                          (custom initrd services)            |
                                      |                       v
                                      |             dracut-mount.service
                                      |                       |
                                      |                       v
                                      |            initrd-parse-etc.service
                                      |                       |
                                      |                       v
                                      |            (sysroot-usr.mount and
                                      |             various mounts marked
                                      |               with fstab option
                                      |                x-initrd.mount)
                                      |                       |
                                      |                       v
                                      |                initrd-fs.target
                                      \______________________ |
                                                             \|
                                                              v
                                                         initrd.target
                                                              |
                                                              v
                                                   dracut-pre-pivot.service
                                                              |
                                                              v
                                                    initrd-cleanup.service
                                                         isolates to
                                                   initrd-switch-root.target
                                                              |
                                                              v
                                       ______________________/|
                                      /                       |
                                      |        initrd-udevadm-cleanup-db.service
                                      |                       |
                          (custom initrd services)            |
                                      |                       |
                                      \______________________ |
                                                             \|
                                                              v
                                                  initrd-switch-root.target
                                                              |
                                                              v
                                                  initrd-switch-root.service
                                                              |
                                                              v
                                                         switch-root
    


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