[systemd-devel] proper way to shutdown/reboot host with systemd

[Jon Stanley]

On Tue, Aug 26, 2014 at 3:11 PM, Vasiliy Tolstov <v.tolstov at selfip.ru> wrote:
> What problem to run sync before that? I'm not understand. Also i can
> run firfreeze ioctl to fs and run reboot. To get dirty data writed to
> disk.

Problem is that none of the shutdown logic of any init system (be it
systemd, upstart, sysvinit, whatever) is ever called by calling
reboot(). Any application shutdown which needs to happen doesn't.
Unmounting of filesystems doesn't happen. And so forth.