
Upgrading Version 4.2.3
or 4.2.4, ZenUp not in use
70
service zends start
9.5. Upgrading Resource Manager
Perform the following procedure on the Resource Manager master host.
1. Download the Resource Manager RPM file from the https://support.zenoss.com site. Contact your Zenoss repre-
sentative for login credentials.
2. (Version 4.2.3 only) Install the Redis datastore.
yum -y install redis
3. Upgrade Resource Manager with one of the following commands:
Version 4.2.3: rpm -Uvh zenoss_resmgr-Version*.rpm
Version 4.2.4: yum -y --nogpgcheck localinstall zenoss_resmgr-Version*.rpm
You may see the following warnings during the upgrade process:
warning: /opt/zenoss/bin/zenoss_init_pre saved as /opt/zenoss/bin/zenoss_init_pre.rpmsave
warning: /opt/zenoss/bin/zenoss_upgrade_pre saved as /opt/zenoss/bin/zenoss_upgrade_pre.rpmsave
If you are using a remote Zenoss DataStore host, or if you have made any customizations to these scripts, review
the new and saved versions of the files, and merge the changes.
If you encounter any errors during the upgrade, contact Zenoss Support.
4. (Version 4.2.3 only) Clean up yum caches.
yum clean all
5. Configure required services to start when the host starts, and start the services:
for svc in rabbitmq-server memcached snmpd; do chkconfig $svc on; service $svc start; done
Note
Do not start Resource Manager at this time.
9.5.1. Post-installation steps
Perform these steps on the Resource Manager master host.
1. Log in to the Resource Manager master host as zenoss.
2. Change directory, download the MySQLTuner script, and make it executable.
cd $ZENHOME/bin
wget -O mysqltuner.pl --no-check-certificate mysqltuner.pl
chmod 755 mysqltuner.pl
3. If your installation includes a customized zencommand with a hard-coded path to the former location for Nagios
plugins, add a symbolic link to the new location:
ln -s /usr/lib64/nagios/plugins ${ZENHOME}/libexec
4. (Version 4.2.3 only) This version of Resource Manager introduces a new daemon, zredis, to help correlate "ping
down" events. If you are using a daemons.txt file on the master host, add zredis to the file.
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