In the last years we had multiple problems with our VMware vCenter Server Appliances, because for example the filesystem for the SEAT database ran full. Without having a look at the appliance management interface, you will have to spend much time for debugging your problems. To prevent these kind of problems, I’ve written some scripts… Read More »
For NetApp Solidfire aka H-Series (ElementOS) there’s a Techical-Report, how to get your capacity and performance data into nice Grafana dashboards. That’s pretty cool, but Grafana itself cannot do any alarming. We are still using Nagios or Iciniga for our monitoring and alarming, so we needed a solution how to include the Solidfire storages into… Read More »
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 »
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 »
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 »
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 »
I’ve written a skript to monitor a VMware hypervisor’s time for nagios. There is no need for a firewall modification anymore, just use the VMware SDK API. You can find it at github