diff --git a/playbooks/vhost_reboot.yml b/playbooks/vhost_reboot.yml
index 79d55289be..a6fe30d075 100644
--- a/playbooks/vhost_reboot.yml
+++ b/playbooks/vhost_reboot.yml
@@ -47,22 +47,27 @@
   - name: figure out which node to delegate os cordon to
     set_fact:
       os_delegate_via: os-master01
-    when: hostvars[inventory_hostname].vmhost != hostvars['os-master01.phx2.fedoraproject.org'].vmhost
+    when: ( hostvars[inventory_hostname].vmhost != hostvars['os-master01.phx2.fedoraproject.org'].vmhost and hostvars[inventory_hostname].datacenter == 'phx2') or ( hostvars['os-master01.iad2.fedoraproject.org'].vmhost and hostvars[inventory_hostname].datacenter == 'iad2')
 
   - name: figure out which node to delegate os cordon to
     set_fact:
       os_delegate_via: os-master02
-    when: hostvars[inventory_hostname].vmhost != hostvars['os-master02.phx2.fedoraproject.org'].vmhost
+    when: ( hostvars[inventory_hostname].vmhost != hostvars['os-master02.phx2.fedoraproject.org'].vmhost and hostvars[inventory_hostname].datacenter == 'phx2') or ( hostvars['os-master02.iad2.fedoraproject.org'].vmhost and hostvars[inventory_hostname].datacenter == 'iad2')
 
   - name: figure out which node to delegate os cordon to
     set_fact:
       os_delegate_via: os-master03
-    when: hostvars[inventory_hostname].vmhost != hostvars['os-master03.phx2.fedoraproject.org'].vmhost
+    when: ( hostvars[inventory_hostname].vmhost != hostvars['os-master03.phx2.fedoraproject.org'].vmhost and hostvars[inventory_hostname].datacenter == 'phx2') or ( hostvars['os-master03.iad2.fedoraproject.org'].vmhost and hostvars[inventory_hostname].datacenter == 'iad2')
 
   - name: drain OS node if necessary
     command: oc adm drain {{inventory_hostname }} --ignore-daemonsets --delete-local-data
     delegate_to: "{{os_delegate_via}}{{env_suffix}}.phx2.fedoraproject.org"
-    when: inventory_hostname.startswith(('os-node', 'os-master'))
+    when: inventory_hostname.startswith(('os-node', 'os-master')) and hostvars[inventory_hostname].datacenter == 'phx2'
+
+  - name: drain OS node if necessary
+    command: oc adm drain {{inventory_hostname }} --ignore-daemonsets --delete-local-data
+    delegate_to: "{{os_delegate_via}}{{env_suffix}}.iad2.fedoraproject.org"
+    when: inventory_hostname.startswith(('os-node', 'os-master')) and hostvars[inventory_hostname].datacenter == 'iad2'
 
   - name: schedule regular host downtime
     nagios: action=downtime minutes=30 service=host host={{ inventory_hostname_short }}{{ env_suffix }}