Monitoring VMware ESXi hosts with Zabbix

As Lukas Camenzind points it out (http://www.looke.ch/wp/monitoring-esx-servers-with-zabbix), you can monitor ESXi hosts with Zabbix. It is not that easy though, but here is a little guide that can help you along the way. This is a mix of Lukas’ findings, some official VMware documentation and my experience.

Do not forget to read the official Zabbix documentation on installing the agent!

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Live migrating a virtual machine with libvirt without a shared storage

We received our new VM host today, so the first thing I wanted to try was live migration. I started with the virsh migrate –help command, then looked up the official documentation to find out what should I exactly do.

What command to run?

As of today, the official libvirt: Guest migration page is a bit outdated and has a lot of different transport modes and configuration available. To be honest, I do not understand the libvirt migration models, and I did not spend much time trying to understand it.

I want to migrate a VM without any interruption and without using any shared storage. So basically the new host will receive a running virtual machine that it never heard about, neither does it have the associated virtual disks. Apart from this, I want the persistent VM to remain persistent on the receiving host.

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