diff --git a/internal/fullnode/configmap_builder.go b/internal/fullnode/configmap_builder.go
index af9bbb51..45aa0f0e 100644
--- a/internal/fullnode/configmap_builder.go
+++ b/internal/fullnode/configmap_builder.go
@@ -26,12 +26,13 @@ const (
 func BuildConfigMaps(crd *cosmosv1.CosmosFullNode, peers Peers) ([]diff.Resource[*corev1.ConfigMap], error) {
 	var (
 		buf = bufPool.Get().(*bytes.Buffer)
-		cms = make([]diff.Resource[*corev1.ConfigMap], crd.Spec.Replicas)
+		cms = make([]diff.Resource[*corev1.ConfigMap], 0, crd.Spec.Replicas)
 	)
 	defer bufPool.Put(buf)
 	defer buf.Reset()
+	startOrdinal := crd.Spec.Ordinal.Start
 
-	for i := int32(0); i < crd.Spec.Replicas; i++ {
+	for i := startOrdinal; i < startOrdinal+crd.Spec.Replicas; i++ {
 		data := make(map[string]string)
 		instance := instanceName(crd, i)
 		if err := addConfigToml(buf, data, crd, instance, peers); err != nil {
@@ -75,7 +76,7 @@ func BuildConfigMaps(crd *cosmosv1.CosmosFullNode, peers Peers) ([]diff.Resource
 		)
 		cm.Data = data
 		kube.NormalizeMetadata(&cm.ObjectMeta)
-		cms[i] = diff.Adapt(&cm, i)
+		cms = append(cms, diff.Adapt(&cm, int(i-startOrdinal)))
 	}
 
 	return cms, nil
diff --git a/internal/fullnode/node_key_builder.go b/internal/fullnode/node_key_builder.go
index 3ed330b8..bc2a8caf 100644
--- a/internal/fullnode/node_key_builder.go
+++ b/internal/fullnode/node_key_builder.go
@@ -20,8 +20,10 @@ const nodeKeyFile = "node_key.json"
 // If the secret already has a node key, it is reused.
 // Returns an error if a new node key cannot be serialized. (Should never happen.)
 func BuildNodeKeySecrets(existing []*corev1.Secret, crd *cosmosv1.CosmosFullNode) ([]diff.Resource[*corev1.Secret], error) {
-	secrets := make([]diff.Resource[*corev1.Secret], crd.Spec.Replicas)
-	for i := int32(0); i < crd.Spec.Replicas; i++ {
+	secrets := make([]diff.Resource[*corev1.Secret], 0, crd.Spec.Replicas)
+	startOrdinal := crd.Spec.Ordinal.Start
+
+	for i := startOrdinal; i < startOrdinal+crd.Spec.Replicas; i++ {
 		var s corev1.Secret
 		s.Name = nodeKeySecretName(crd, i)
 		s.Namespace = crd.Namespace
@@ -52,7 +54,7 @@ func BuildNodeKeySecrets(existing []*corev1.Secret, crd *cosmosv1.CosmosFullNode
 			}
 		}
 
-		secrets[i] = diff.Adapt(&secret, i)
+		secrets = append(secrets, diff.Adapt(&secret, int(i-startOrdinal)))
 	}
 	return secrets, nil
 }
diff --git a/internal/fullnode/peer_collector.go b/internal/fullnode/peer_collector.go
index 37c27c3a..4247dba2 100644
--- a/internal/fullnode/peer_collector.go
+++ b/internal/fullnode/peer_collector.go
@@ -105,12 +105,14 @@ func NewPeerCollector(client Getter) *PeerCollector {
 // Collect peer information given the crd.
 func (c PeerCollector) Collect(ctx context.Context, crd *cosmosv1.CosmosFullNode) (Peers, kube.ReconcileError) {
 	peers := make(Peers)
+	startOrdinal := crd.Spec.Ordinal.Start
 
 	clusterDomain := "cluster.local"
 	if crd.Spec.Service.ClusterDomain != nil {
 		clusterDomain = *crd.Spec.Service.ClusterDomain
 	}
-	for i := int32(0); i < crd.Spec.Replicas; i++ {
+
+	for i := startOrdinal; i < startOrdinal+crd.Spec.Replicas; i++ {
 		secretName := nodeKeySecretName(crd, i)
 		var secret corev1.Secret
 		// Hoping the caching layer kubebuilder prevents API errors or rate limits. Simplifies logic to use a Get here
diff --git a/internal/fullnode/service_builder.go b/internal/fullnode/service_builder.go
index 2831a12a..0c9aad32 100644
--- a/internal/fullnode/service_builder.go
+++ b/internal/fullnode/service_builder.go
@@ -31,9 +31,10 @@ func BuildServices(crd *cosmosv1.CosmosFullNode) []diff.Resource[*corev1.Service
 	}
 	maxExternal := lo.Clamp(max, 0, crd.Spec.Replicas)
 	p2ps := make([]diff.Resource[*corev1.Service], crd.Spec.Replicas)
+	startOrdinal := crd.Spec.Ordinal.Start
 
 	for i := int32(0); i < crd.Spec.Replicas; i++ {
-		ordinal := i
+		ordinal := startOrdinal + i
 		var svc corev1.Service
 		svc.Name = p2pServiceName(crd, ordinal)
 		svc.Namespace = crd.Namespace
@@ -66,7 +67,7 @@ func BuildServices(crd *cosmosv1.CosmosFullNode) []diff.Resource[*corev1.Service
 			svc.Spec.ClusterIP = *valOrDefault(crd.Spec.Service.P2PTemplate.ClusterIP, ptr(""))
 		}
 
-		p2ps[i] = diff.Adapt(&svc, i)
+		p2ps[i] = diff.Adapt(&svc, int(i))
 	}
 
 	rpc := rpcService(crd)