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
| 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
AUTHOR
Harald Hoyer
SEE ALSO
dracut(8) bootup(7)
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