Upgrading Clusters Disruptively

During a disruptive upgrade, all nodes in a cluster are upgraded in parallel.

Procedure

Download the latest Hedvig binaries, as described in Downloading Hedvig Software.
Update the deployment server, as described in Setting Up Hedvig Deployment Servers.
Start a tmux session.
```
tmux
```
Enter the Hedvig deployment environment.
```
/opt/hedvig/bin/hv_deploy
```
Login to the cluster.
```
 
login_to_cluster <cluster_name>
```
Upgrade the cluster (disruptive). This will upgrade all nodes in the cluster in parallel.
```
upgrade_cluster_disruptive
```