From Fedora Project Wiki
{{QA/Test_Case |description=The test is to make sure that Journal gets written to disk. |setup=This to test in Atomic Image and Base Image. |actions= Be as specific as required for the target audience.
- ssh into an instance.
- Next we will reboot the image.
$ sudo reboot
3. Now we will find that PID of systemd-journald.
$ systemctl show systemd-journald.service -p MainPID
4. Finally we will check whether journal gets written to disk or not.
$ sudo ls -l /proc/<MainPID>/fd/ | grep journal
|results= The following must be true to consider this a successful test run.
- Step #1 You should be able to login to an instance.
- Step #2 will reboot the instance.
- Step #3 will return MainPID of journald like this:
$ systemctl show systemd-journald.service -p MainPID MainPID=511
4. Step #4 will return the details like this:
$ sudo ls -l /proc/511/fd/ | grep journal lrwx------. 1 root root 64 May 5 15:18 14 -> /var/log/journal/91ae08310c634d7b94c8dadfc3a4cd3d/system.journal lrwx------. 1 root root 64 May 5 15:18 73 -> /var/log/journal/91ae08310c634d7b94c8dadfc3a4cd3d/user-1000.journal