Recently I had an interesting discussion with my customer about vCenter (already VCSA) location that is not dependent on the central storage system (array) but prepared for high availability and disaster recovery. vCenter is an important VM for VMware Administrators and there would be an impact on infrastructure if it is down (e.g. Horizon View). We focused on… Read More »
Recently I needed to prepare a procedure to reconfigure NSX environments and one of the tasks was changing NSX Logical Switch VNI (VXLAN Network Identifier). When you create a new Logical Switch, NSX takes VNI from a special pool (The Segment ID Pool - in the range 5000-16777216 so more than 16000000 networks are possible but in practice… Read More »
Some weeks ago my customer wanted to change ESXi hostnames. This is not difficult and can be done without VM downtime using the below steps: Place ESXi host into maintenance mode Remove the host from cluster/vCenter inventory Change a record in DNS (or vCenter hosts file) Add the ESXi host again to the vCenter inventory using a new… Read More »
