ip reserve for gnt-chi

howto/ganeti.md

@@ -1151,9 +1151,16 @@ The [network configuration](#network-configuration) (below) must also be perform
 address blocks reserved in the cluster. This is the actual initial
 configuration performed:
 
-    gnt-network add --network 38.229.82.0/24 --gateway 38.229.82.1 gnt-chi-01
+    gnt-network add --network 38.229.82.0/24 --gateway 38.229.82.1 --network6 2604:8800:5000:82::/64 --gateway6 2604:8800:5000:82::1 gnt-chi-01
     gnt-network connect --nic-parameters=link=br0 gnt-chi-01 default
 
+The following IPs were reserved:
+
+    gnt-network modify --add-reserved-ips=38.229.82.2,38.229.82.3,38.229.82.4,38.229.82.5,38.229.82.6,38.229.82.7,38.229.82.8,38.229.82.9,38.229.82.10,38.229.82.11,38.229.82.12,38.229.82.13,38.229.82.14,38.229.82.15,38.229.82.16,38.229.82.17,38.229.82.18,38.229.82.19 gnt-chi-01
+
+The first two are for the gateway, but the rest is temporary and might
+be reclaimed eventually.
+
 ### Network configuration
 
 IP allocation is managed by Ganeti through the `gnt-network(8)`
@@ -1184,6 +1191,14 @@ following commands:
     gnt-network add --network 49.12.57.128/27 --gateway 49.12.57.129 gnt-fsn13-02
     gnt-network connect --nic-parameters=link=br0,vlan=4000,mode=openvswitch gnt-fsn13-02 default
 
+IP addresses can be reserved with the `--reserved-ips` argument to the
+modify command, for example:
+
+    gnt-network modify --add-reserved-ips=38.229.82.2,38.229.82.3,38.229.82.4,38.229.82.5,38.229.82.6,38.229.82.7,38.229.82.8,38.229.82.9,38.229.82.10,38.229.82.11,38.229.82.12,38.229.82.13,38.229.82.14,38.229.82.15,38.229.82.16,38.229.82.17,38.229.82.18,38.229.82.19 gnt-chi-01 gnt-chi-01
+
+Note that the gateway and nodes IP addresses are automatically
+reserved, this is for hosts outside of the cluster.
+
 The network name must follow the [naming convention](doc/naming-scheme).
 
 ## SLA