diff --git a/net/gce.sh b/net/gce.sh
index af307a75c..dacc1d3f4 100755
--- a/net/gce.sh
+++ b/net/gce.sh
@@ -9,11 +9,14 @@ source "$here"/common.sh
 prefix=testnet-dev-${USER//[^A-Za-z0-9]/}
 validatorNodeCount=5
 clientNodeCount=1
+leaderBootDiskSize=1TB
 leaderMachineType=n1-standard-16
 leaderAccelerator=
 validatorMachineType=n1-standard-4
+validatorBootDiskSize=$leaderBootDiskSize
 validatorAccelerator=
 clientMachineType=n1-standard-16
+clientBootDiskSize=40GB
 clientAccelerator=
 
 imageName="ubuntu-16-04-cuda-9-2-new"
@@ -107,6 +110,7 @@ done
 
 
 prepareInstancesAndWriteConfigFile() {
+  $metricsWriteDatapoint "testnet-deploy net-config-start=1"
 
   cat >> "$configFile" <<EOF
 # autogenerated at $(date)
@@ -174,10 +178,13 @@ EOF
   }
 
   echo "Wrote $configFile"
+  $metricsWriteDatapoint "testnet-deploy net-config-complete=1"
 }
 
 case $command in
 delete)
+  $metricsWriteDatapoint "testnet-deploy net-delete-start=1"
+
   gcloud_FindInstances "name~^$prefix-"
 
   if [[ ${#instances[@]} -eq 0 ]]; then
@@ -186,11 +193,15 @@ delete)
   fi
   gcloud_DeleteInstances "$yes"
   rm -f "$configFile"
+
+  $metricsWriteDatapoint "testnet-deploy net-delete-complete=1"
   ;;
 
 create)
   [[ -n $validatorNodeCount ]] || usage "Need number of nodes"
 
+  $metricsWriteDatapoint "testnet-deploy net-create=1"
+
   echo "Network composition:"
   echo "Leader = $leaderMachineType (GPU=${leaderAccelerator:-none})"
   echo "Validators = $validatorNodeCount x $validatorMachineType (GPU=${validatorAccelerator:-none})"
@@ -198,18 +209,20 @@ create)
   echo ==================================================================
   echo
   gcloud_CreateInstances "$prefix-leader" 1 "$zone" \
-    "$imageName" "$leaderMachineType" "$leaderAccelerator" \
+    "$imageName" "$leaderMachineType" "$leaderBootDiskSize" "$leaderAccelerator" \
     "$here/remote/remote-startup.sh" "$leaderAddress" \
 
   gcloud_CreateInstances "$prefix-validator" "$validatorNodeCount" "$zone" \
-    "$imageName" "$validatorMachineType" "$validatorAccelerator" \
+    "$imageName" "$validatorMachineType" "$validatorBootDiskSize" "$validatorAccelerator" \
     "$here/remote/remote-startup.sh" ""
   if [[ -n $clientNodeCount ]]; then
     gcloud_CreateInstances "$prefix-client" "$clientNodeCount" "$zone" \
-      "$imageName" "$clientMachineType" "$clientAccelerator" \
+      "$imageName" "$clientMachineType" "$clientBootDiskSize" "$clientAccelerator" \
       "$here/remote/remote-startup.sh" ""
   fi
 
+  $metricsWriteDatapoint "testnet-deploy net-create-complete=1"
+
   prepareInstancesAndWriteConfigFile
   ;;
 
diff --git a/scripts/gcloud.sh b/scripts/gcloud.sh
index b452108ee..7919060e5 100644
--- a/scripts/gcloud.sh
+++ b/scripts/gcloud.sh
@@ -76,7 +76,8 @@ gcloud_ForEachInstance() {
 
 #
 # gcloud_CreateInstances [namePrefix] [numNodes] [zone] [imageName]
-#                        [machineType] [accelerator] [startupScript] [address]
+#                        [machineType] [bootDiskSize] [accelerator]
+#                        [startupScript] [address]
 #
 # Creates one more identical instances.
 #
@@ -85,6 +86,7 @@ gcloud_ForEachInstance() {
 # zone          - zone to create the instances in
 # imageName     - Disk image for the instances
 # machineType   - GCE machine type
+# bootDiskSize  - Optional disk of the boot disk
 # accelerator   - Optional accelerator to attach to the instance(s), see
 #                 eg, request 4 K80 GPUs with "count=4,type=nvidia-tesla-k80"
 # startupScript - Optional startup script to execute when the instance boots
@@ -100,9 +102,10 @@ gcloud_CreateInstances() {
   declare zone="$3"
   declare imageName="$4"
   declare machineType="$5"
-  declare optionalAccelerator="$6"
-  declare optionalStartupScript="$7"
-  declare optionalAddress="$8"
+  declare optionalBootDiskSize="$6"
+  declare optionalAccelerator="$7"
+  declare optionalStartupScript="$8"
+  declare optionalAddress="$9"
 
   declare nodes
   if [[ $numNodes = 1 ]]; then
@@ -118,6 +121,11 @@ gcloud_CreateInstances() {
     "--image=$imageName"
     "--machine-type=$machineType"
   )
+  if [[ -n $optionalBootDiskSize ]]; then
+    args+=(
+      "--boot-disk-size=$optionalBootDiskSize"
+    )
+  fi
   if [[ -n $optionalAccelerator ]]; then
     args+=(
       "--accelerator=$optionalAccelerator"
@@ -125,7 +133,6 @@ gcloud_CreateInstances() {
       --restart-on-failure
     )
   fi
-
   if [[ -n $optionalStartupScript ]]; then
     args+=(
       --metadata-from-file "startup-script=$optionalStartupScript"