Search Engine: Elastic

Article ID: 128284, created on Feb 10, 2016, last review on Feb 10, 2016

  • Applies to:
  • Operations Automation 6.0


Apache log files are not getting updates for webspaces hosted on NG web server.

The following error is logged to /var/log/messages continuously:

Feb 10 10:49:51 ngweb1 /usr/sbin/log-dumper[548274]: Error on communication with redis: READONLY You can't write against a read only slave.


redis package has been updated on the NG web host(s) from a foreign repository, which brought the read-only configuration.

[root@ngweb1 ~]# grep read-only /etc/redis.conf
# Since Redis 2.6 by default slaves are read-only.
slave-read-only yes


Disable all foreign repositories, the only YUM repos to be left are:


Downgrade redis package:

# yum downgrade redis

Note: make sure /etc/redis.conf file contains slave-read-only setting set to "no" afterwards.

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