diff options
Diffstat (limited to 'man/journalctl.xml')
| -rw-r--r-- | man/journalctl.xml | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/man/journalctl.xml b/man/journalctl.xml index a3192539dc..2160f3cba2 100644 --- a/man/journalctl.xml +++ b/man/journalctl.xml @@ -773,13 +773,31 @@ </varlistentry> <varlistentry> + <term><option>--sync</option></term> + + <listitem><para>Ask the journal daemon to write all yet + unwritten journal data to the backing file system and + synchronize all journals. This call does not return until the + operation is complete. This command guarantees that any log + messages written before its invocation are safely stored on + disk at the time it returns.</para></listitem> + </varlistentry> + + <varlistentry> <term><option>--flush</option></term> <listitem><para>Asks the journal daemon to flush any log data stored in <filename>/run/log/journal</filename> into - <filename>/var/log/journal</filename>, if persistent storage is - enabled. This call does not return until the operation is - complete.</para></listitem> + <filename>/var/log/journal</filename>, if persistent storage + is enabled. This call does not return until the operation is + complete. Note that this call is idempotent: the data is only + flushed from <filename>/run/log/journal</filename> into + <filename>/var/log/journal</filename> once during system + runtime, and this command exits cleanly without executing any + operation if this has already has happened. This command + effectively guarantees that all data is flushed to + <filename>/var/log/journal</filename> at the time it + returns.</para></listitem> </varlistentry> <varlistentry> |