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Diffstat (limited to 'man/bootup.xml')
| -rw-r--r-- | man/bootup.xml | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/man/bootup.xml b/man/bootup.xml index f65abf5452..6bd22ef476 100644 --- a/man/bootup.xml +++ b/man/bootup.xml @@ -174,6 +174,79 @@ </refsect1> <refsect1> + <title>Systemd in the Initrd</title> + <para>If the initrd creation tool used the services provided + by systemd, the default target in the initrd is the + initrd-fs.target. The process is the same as above until the basic.target is reached. + Systemd now continues to the initrd.target. If the root device could be mounted + on /sysroot, the sysroot.mount unit is active and the initrd-root-fs.target is reached. + initrd-parse-etc.service scans /sysroot/etc/fstab for the /usr mountpoint and for entries + marked with the <emphasis>x-initrd.mount</emphasis> option set. If these mountpoint are + mounted in /sysroot, the initrd-fs.target is reached. + The initrd-cleanup.service isolates to the initrd-switch-root.target, + where cleanup services can run. At the very last end + initrd-switch-root.service is activated, which will cause + the system to switch root to /sysroot. + </para> + +<programlisting> + (same as above) + : + : + v + basic.target + | emergency.service + ______________________/| | + / | v + | sysroot.mount <emphasis>emergency.target</emphasis> + | | + | v + | initrd-root-fs.target + | | + | v + | initrd-parse-etc.service + (custom initrd services) | + | v + | (sysroot-usr.mount and + | various mounts marked + | with fstab option + | x-initrd.mount) + | | + | v + | initrd-fs.target + | | + \______________________ | + \| + v + initrd.target + | + 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 +</programlisting> + </refsect1> + + + <refsect1> <title>System Manager Shutdown</title> <para>System shutdown also consists of various target |