Category Archives: Monitoring

NetApp Metrocluster Monitoring

I’ve written some new Monitoring Checks for NetApp Metrocluster (MCC) which can be used in addition to my normal NetApp cDOT Checks. Both can be found in my GitHub Repository: Metrocluster Aggr Status: Checks, wheather the aggregate mirroring status, disk pool allocation and the disk ownership is OK. Metrocluster State: Checks the following options: local-configuration-state: should… Read More »

Automated consistent VMware vCSA Backup

For years we have made a backup of all our VMware vCenter Server Appliances through our “normal” backup tool Veeam Backup and Replication. After a big incident with one of our biggest vCSA we identified, that this backup method isn’t consistent and our databases were corrupted. After multiple hours VMware support call we fixed our… Read More »

Nexus Intercluster Switch Monitoring

We are using the Cisco® Nexus 3132Q-V switches for our NetApp Clusters. To have a good monitoring of these switches you need two types of checks: Checks for CPU, RAM and Hardware-Status from David Barbion Can be found in his GitHub-Repository  My check for current port state (“Are all configured ports in state up?”) Can… Read More »

RRDtool grading graphs

One of my oldest IT articles from about 2005 🙂 Introduction This HOWTO describes how to quickly generate a nice graph, showing you the average ping time off a specific host. This picture is the result we should get: This setup consists of 4 steps * Configfile * RRDcreate * RRDupdate * RRDgraph Configfile The… Read More »