diff options
| -rw-r--r-- | man/bootup.xml | 235 |
1 files changed, 117 insertions, 118 deletions
diff --git a/man/bootup.xml b/man/bootup.xml index b5c3e1523a..d97d550236 100644 --- a/man/bootup.xml +++ b/man/bootup.xml @@ -111,56 +111,56 @@ the bottom of the chart.</para> <programlisting>local-fs-pre.target - | - v + | + v (various mounts and (various swap (various cryptsetup - fsck services...) devices...) devices...) (various low-level (various low-level - | | | services: udevd, API VFS mounts: - v v v tmpfiles, random mqueue, configfs, + fsck services...) devices...) devices...) (various low-level (various low-level + | | | services: udevd, API VFS mounts: + v v v tmpfiles, random mqueue, configfs, local-fs.target swap.target cryptsetup.target seed, sysctl, ...) debugfs, ...) - | | | | | - \__________________|_________________ | ___________________|____________________/ - \|/ - v - sysinit.target - | - ____________________________________/|\________________________________________ - / | | | \ - | | | | | - v v | v v - (various (various | (various rescue.service - timers...) paths...) | sockets...) | - | | | | v - v v | v <emphasis>rescue.target</emphasis> - timers.target paths.target | sockets.target - | | | | - v |_________________ | ___________________/ - \|/ - v - basic.target - | - ____________________________________/| emergency.service - / | | | - | | | v - v v v <emphasis>emergency.target</emphasis> - display- (various system (various system - manager.service services services) - | required for | - | graphical UIs) v - | | <emphasis>multi-user.target</emphasis> - | | | - \_________________ | _________________/ - \|/ - v - <emphasis>graphical.target</emphasis></programlisting> + | | | | | + \__________________|_________________ | ___________________|____________________/ + \|/ + v + sysinit.target + | + ____________________________________/|\________________________________________ + / | | | \ + | | | | | + v v | v v + (various (various | (various rescue.service + timers...) paths...) | sockets...) | + | | | | v + v v | v <emphasis>rescue.target</emphasis> + timers.target paths.target | sockets.target + | | | | + v |_________________ | ___________________/ + \|/ + v + basic.target + | + ____________________________________/| emergency.service + / | | | + | | | v + v v v <emphasis>emergency.target</emphasis> + display- (various system (various system + manager.service services services) + | required for | + | graphical UIs) v + | | <emphasis>multi-user.target</emphasis> + | | | + \_________________ | _________________/ + \|/ + v + <emphasis>graphical.target</emphasis></programlisting> <para>Target units that are commonly used as boot targets are <emphasis>emphasized</emphasis>. These units are good choices as goal targets, for example by passing them to the <varname>systemd.unit=</varname> kernel command line option (see <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>) - or by symlinking <filename>default.target</filename> to - them.</para> + or by symlinking <filename>default.target</filename> to them. + </para> <para><filename>timers.target</filename> is pulled-in by <filename>basic.target</filename> asynchronously. This allows @@ -197,91 +197,90 @@ <filename>/sysroot</filename>. </para> -<programlisting> : (beginning identical to above) - : - v - basic.target - | emergency.service - ______________________/| | - / | v - | sysroot.mount <emphasis>emergency.target</emphasis> - | | - | v - | initrd-root-fs.target - | | - | v - 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 - ______________________/| - / v - | initrd-udevadm-cleanup-db.service - v | - (custom initrd | - services...) | - \______________________ | - \| - v - initrd-switch-root.target - | - v - initrd-switch-root.service - | - v - Transition to Host OS</programlisting> +<programlisting> : (beginning identical to above) + : + v + basic.target + | emergency.service + ______________________/| | + / | v + | sysroot.mount <emphasis>emergency.target</emphasis> + | | + | v + | initrd-root-fs.target + | | + | v + 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 + ______________________/| + / v + | initrd-udevadm-cleanup-db.service + v | + (custom initrd | + services...) | + \______________________ | + \| + v + initrd-switch-root.target + | + v + initrd-switch-root.service + | + v + Transition to Host OS</programlisting> </refsect1> - <refsect1> <title>System Manager Shutdown</title> <para>System shutdown with systemd also consists of various target units with some minimal ordering structure applied:</para> -<programlisting> (conflicts with (conflicts with - all system all file system - services) mounts, swaps, - | cryptsetup - | devices, ...) - | | - v v - shutdown.target umount.target - | | - \_______ ______/ - \ / - v - (various low-level - services) - | - v - final.target - | - _____________________________________/ \_________________________________ - / | | \ - | | | | - v v v v +<programlisting> (conflicts with (conflicts with + all system all file system + services) mounts, swaps, + | cryptsetup + | devices, ...) + | | + v v + shutdown.target umount.target + | | + \_______ ______/ + \ / + v + (various low-level + services) + | + v + final.target + | + _____________________________________/ \_________________________________ + / | | \ + | | | | + v v v v systemd-reboot.service systemd-poweroff.service systemd-halt.service systemd-kexec.service - | | | | - v v v v - <emphasis>reboot.target</emphasis> <emphasis>poweroff.target</emphasis> <emphasis>halt.target</emphasis> <emphasis>kexec.target</emphasis></programlisting> + | | | | + v v v v + <emphasis>reboot.target</emphasis> <emphasis>poweroff.target</emphasis> <emphasis>halt.target</emphasis> <emphasis>kexec.target</emphasis></programlisting> <para>Commonly used system shutdown targets are <emphasis>emphasized</emphasis>.</para> |