Updating Node.js may seem like a trivial task but I do it so infrequently I always forget about my "way" of doing it.
Remember to have a backup of your VMs and cluster configuration before starting the upgrade process, just in case you need to restore the environment.How to update Node.Js on Mac, Linux or Windows
After all, nodes are running Windows Server 2019, update the cluster functional level to the latest version using the following PowerShell command:īy following this plan, you can minimize downtime and ensure that your production VMs remain operational during the upgrade process. Distribute the VMs across the three nodes as needed. Configure Hyper-V, Failover Cluster, Storage, and Network, and add Node 2 back to the cluster. Reformat the Node 2 C drive and install Windows Server 2019. Drain and evict Node 2 from the cluster. Live Migrate the VMs from Node 2 to Node 1. Configure Hyper-V, Failover Cluster, Storage, and Network, and add Node 1 back to the cluster. 
Reformat the Node 1 C drive and install Windows Server 2019. Drain and evict Node 1 from the cluster. Migrate all VMs from Node 1 to Node 3 using Live Migration. Add the third node to the current cluster. Configure Hyper-V, Failover Cluster, Storage, and Network on the third node. Install Windows Server 2019 on the third node. You can perform the cluster upgrade directly from 2012 R2 to 2019 without needing to upgrade to 2016 first. My question here, does the above scope is correct or not?ĭo I need to upgrade cluster functional level after upgrade to 2016 or i have to wait until i upgrade to 2019 i will do the same steps for windows server 2019. so now i will have 3 nodes running windows server 2016. Live Migrate The VMs from node 2 to node 1. Configure Hyper-V, Failover Cluster, Storage, Network, then add node 1 back to the cluster. reformat the node 1 C drive and install new windows server 2016. Migrate all VMs from Node 1 two node 3. Adding the third node to the current cluster. Installing windows server 2016 on the third node. 
I heard about Cluster rolling upgrade but I need the best practice to avoid any losing of production VMs and down time as well We are planning to upgrade the cluster from 2012 r2 to 2019 Our environment have two Windows Server 2012 R2 nodes in the cluster, and we have another third node is not part of the current cluster.
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