diff --git a/manifests/app_type.pp b/manifests/app_type.pp
index e791207..851bd45 100644
--- a/manifests/app_type.pp
+++ b/manifests/app_type.pp
@@ -93,6 +93,35 @@ define sunetdrive::app_type (
   unless $is_multinode{
     user { 'www-data': ensure => present, system => true }
 
+    file { '/usr/local/bin/get_containers':
+      ensure  => present,
+      force   => true,
+      owner   => 'root',
+      group   => 'root',
+      content => template('sunetdrive/application/get_containers'),
+      mode    => '0744',
+    }
+    if ($environment == 'test' and ($nodenumber == 3)) {
+      file { '/usr/local/bin/scan_external_mounts':
+        ensure  => present,
+        force   => true,
+        owner   => 'root',
+        group   => 'root',
+        content => template('sunetdrive/application/scan_external_mounts.sh'),
+        mode    => '0744',
+      }
+      sunet::scriptherder::cronjob { 'scriptherder_scan_external_mounts':
+        cmd           => '/usr/local/bin/scan_external_mounts',
+        hour          => '1',
+        minute        => '20',
+        ok_criteria   => ['exit_status=0','max_age=2d'],
+        warn_criteria => ['exit_status=1','max_age=3d'],
+      }
+      cron { 'scan_external_mounts':
+        ensure  => absent,
+        command => 'true',
+      }
+    }
     file { '/opt/nextcloud/cron.sh':
       ensure  => file,
       owner   => 'root',
diff --git a/manifests/multinode.pp b/manifests/multinode.pp
index 385b1cd..9ebec47 100644
--- a/manifests/multinode.pp
+++ b/manifests/multinode.pp
@@ -38,6 +38,35 @@ class sunetdrive::multinode (
   user { 'www-data': ensure => present, system => true }
   sunet::system_user {'mysql': username => 'mysql', group => 'mysql' }
   ensure_resource('file', '/opt/nextcloud' , { ensure => directory, recurse => true } )
+  file { '/usr/local/bin/get_containers':
+    ensure  => present,
+    force   => true,
+    owner   => 'root',
+    group   => 'root',
+    content => template('sunetdrive/application/get_containers'),
+    mode    => '0744',
+  }
+  if ($environment == 'test') {
+    file { '/usr/local/bin/scan_external_mounts':
+      ensure  => present,
+      force   => true,
+      owner   => 'root',
+      group   => 'root',
+      content => template('sunetdrive/application/scan_external_mounts.sh'),
+      mode    => '0744',
+    }
+    sunet::scriptherder::cronjob { 'scriptherder_scan_external_mounts':
+      cmd           => '/usr/local/bin/scan_external_mounts',
+      hour          => '1',
+      minute        => '20',
+      ok_criteria   => ['exit_status=0','max_age=2d'],
+      warn_criteria => ['exit_status=1','max_age=3d'],
+    }
+    cron { 'scan_external_mounts':
+      ensure  => absent,
+      command => 'true',
+    }
+  }
   file { '/usr/local/bin/nocc':
     ensure  => present,
     force   => true,
@@ -87,14 +116,6 @@ class sunetdrive::multinode (
     content => template('sunetdrive/multinode/get_non_paying_customers.erb.sh'),
     mode    => '0744',
   }
-  file { '/usr/local/bin/get_containers':
-    ensure  => present,
-    force   => true,
-    owner   => 'root',
-    group   => 'root',
-    content => template('sunetdrive/multinode/get_containers'),
-    mode    => '0744',
-  }
   file { '/usr/local/bin/restart_and_prune':
     ensure  => present,
     force   => true,
diff --git a/templates/multinode/get_containers b/templates/application/get_containers
similarity index 100%
rename from templates/multinode/get_containers
rename to templates/application/get_containers
diff --git a/templates/application/scan_external_mounts.sh b/templates/application/scan_external_mounts.sh
new file mode 100644
index 0000000..ef58cd8
--- /dev/null
+++ b/templates/application/scan_external_mounts.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+error_ids=""
+# Only run if this is the only instance of this script running
+# note: since this script forks to run pgrep, we need -eq 2 here
+if [[ $(pgrep -f "${0}" | wc -l) -eq 2 ]]; then
+	# We sleep a deterministic amount of time, which will be between 0 an 128 m and allways the same within
+	# a specific host, but will differ between hosts
+	sleep $((16#$(ip a | grep "link/ether" | head -1 | awk -F ':' '{print $6}' | awk '{print $1}') / 2))m
+	for container in $(get_containers); do
+		for id in $(nocc "${container}" files_external:list --all --output json | jq '.[].mount_id' | jq .); do
+			nocc "${container}" files_external:scan "${id}" | grep Error
+      # shellcheck disable=SC2181
+      if [[ ${?} -eq 0 ]]; then
+        error_ids="${error_ids} ${id}"
+      fi
+		done
+	done
+fi
+
+if [[ -n "${error_ids}" ]]; then
+  echo "Errors found in the following mounts: ${error_ids}"
+  exit 1
+fi
+exit 0