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====== imjournal stops logging due to corrupt state file ======

===== Symptoms =====

On a 5209 server, no messages are written to /var/log/messages and other log files other than stop / start of the rsyslog daemon, and one other message.

  Apr 15 16:39:39 hostname rsyslogd-3000: sd_journal_get_cursor() failed: 'Cannot assign requested address'

===== Cause =====

The root cause of this problem is a known bug in systemd. For further details, see the link below.
  * https://bugzilla.redhat.com/show_bug.cgi?id=1088021

===== Resolution =====

The bash script below will detect the invalid state of the syslog service, and restart it if required.

<code bash /usr/sausalito/sbin/fix_syslog.sh>
#!/bin/bash
if [ `lsof -c rsyslogd | grep -c var.log` -eq 1 ]; then
  service rsyslog stop
  rm /var/lib/rsyslog/imjournal.state
  service rsyslog start
fi
</code>

To make this automatic, you can add a cron task to call this script regularly

<code bash /etc/cron.d/fix_syslog.cron>
# Check syslog every 5 minutes, and restart it if required
*/5 * * * * root /usr/sausalito/sbin/fix_syslog.sh > /dev/null 2>&1
</code>
===== Properties =====
  * rsyslogd
  * /var/log/messages
  * 5209R

===== Patched =====
The above fix has been pushed out as a patch to Blueonyx 5209R on 28-Apr-2016

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