A few days ago, we had some strengh phenomenon on our Oracle RAC Servern with TNSListener Timeouts. EM Event: Critical:LISTENER_SCAN3_rac-scan – Listener response to a TNS ping is 5,010 msecs After some research and many hours of analysing, we could… Continue Reading →
All configurations needs to be done on every RAC-Node. All shell-outputs are examples. Prerequisites Oratab and Beoratab The following step are essential on every RAC-Instance. cp /etc/oratab /etc/VRTSralus/beoratab Setting the permissions for the beoratab: chown root:beoper /etc/VRTSralus/beoratab chmod g+w /etc/VRTSralus/beoratab… Continue Reading →
Zabbix, a good and extensive monitoringsystem, which is a great alternative to the well known monitoringsystems like Cacti and Nagios. In the beginning of building a monitoringsystem, there is always a bit planing before build it up and of course… Continue Reading →
… you have to contact a Network Delivery Lead… This week i had to contact a network specialist from a big international company. Magnificent… We can’t reach a destination over their vpn-tunnel. I send him the IP-addresses from the source… Continue Reading →
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