nixos/manifests/auto/nodes.yaml

apiVersion: v1
kind: Node
metadata:
  name: isaiah
  annotations:
    "node.longhorn.io/default-disks-config": |-
      [
        {
          "path": "/var/lib/longhorn",
          "allowScheduling" : true,
          "tags": ["hdd", "large"]
        }
      ]
---
apiVersion: v1
kind: Node
metadata:
  name: jeremiah
  annotations:
    "node.longhorn.io/default-disks-config": |-
      [
        {
          "path": "/var/lib/longhorn",
          "allowScheduling" : true,
          "tags": ["hdd", "large"]
        }
      ]
---
apiVersion: v1
kind: Node
metadata:
  name: zeke
  annotations:
    "node.longhorn.io/default-disks-config": |-
      [
        {
          "path": "/var/lib/longhorn",
          "allowScheduling" : true,
          "tags": ["ssd", "fast"]
        },
        {
          "path": "/mnt/disk1",
          "allowScheduling": true,
          "tags": ["hdd", "large"]
        }
      ]