Upgrading slaves
- Check there is no job running on that node
- https://ci.freebsd.org/computer/<nodename>/ → “Mark this node temporarily offline”
- /etc/clusteradm/binaryupgrade.sh -ARP
- https://ci.freebsd.org/computer/<nodename>/ → “Bring this node back online”
Upgrading master host
- “Manage Jenkins” → “Prepare for Shutdown”
- Wait for running jobs complete
- Upgrade host