diff --git a/data/hostname/cassandra01.internal.softwareheritage.org.yaml b/data/hostname/cassandra01.internal.softwareheritage.org.yaml
index 7dc8c7b5..4545274c 100644
--- a/data/hostname/cassandra01.internal.softwareheritage.org.yaml
+++ b/data/hostname/cassandra01.internal.softwareheritage.org.yaml
@@ -1,9 +1,12 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 
 swh::apt_config::enable_non_free: true
 packages:
   - zfs-dkms
 
 dns::nameservers:
   - 192.168.100.29
+
+icinga2::host::vars:
+  load: sql
diff --git a/data/hostname/cassandra02.internal.softwareheritage.org.yaml b/data/hostname/cassandra02.internal.softwareheritage.org.yaml
index 7dc8c7b5..4545274c 100644
--- a/data/hostname/cassandra02.internal.softwareheritage.org.yaml
+++ b/data/hostname/cassandra02.internal.softwareheritage.org.yaml
@@ -1,9 +1,12 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 
 swh::apt_config::enable_non_free: true
 packages:
   - zfs-dkms
 
 dns::nameservers:
   - 192.168.100.29
+
+icinga2::host::vars:
+  load: sql
diff --git a/data/hostname/cassandra03.internal.softwareheritage.org.yaml b/data/hostname/cassandra03.internal.softwareheritage.org.yaml
index 7dc8c7b5..4545274c 100644
--- a/data/hostname/cassandra03.internal.softwareheritage.org.yaml
+++ b/data/hostname/cassandra03.internal.softwareheritage.org.yaml
@@ -1,9 +1,12 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 
 swh::apt_config::enable_non_free: true
 packages:
   - zfs-dkms
 
 dns::nameservers:
   - 192.168.100.29
+
+icinga2::host::vars:
+  load: sql
diff --git a/data/hostname/cassandra04.internal.softwareheritage.org.yaml b/data/hostname/cassandra04.internal.softwareheritage.org.yaml
index 7dc8c7b5..4545274c 100644
--- a/data/hostname/cassandra04.internal.softwareheritage.org.yaml
+++ b/data/hostname/cassandra04.internal.softwareheritage.org.yaml
@@ -1,9 +1,12 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 
 swh::apt_config::enable_non_free: true
 packages:
   - zfs-dkms
 
 dns::nameservers:
   - 192.168.100.29
+
+icinga2::host::vars:
+  load: sql
diff --git a/data/hostname/cassandra05.internal.softwareheritage.org.yaml b/data/hostname/cassandra05.internal.softwareheritage.org.yaml
index 7dc8c7b5..4545274c 100644
--- a/data/hostname/cassandra05.internal.softwareheritage.org.yaml
+++ b/data/hostname/cassandra05.internal.softwareheritage.org.yaml
@@ -1,9 +1,12 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 
 swh::apt_config::enable_non_free: true
 packages:
   - zfs-dkms
 
 dns::nameservers:
   - 192.168.100.29
+
+icinga2::host::vars:
+  load: sql
diff --git a/data/hostname/cassandra06.internal.softwareheritage.org.yaml b/data/hostname/cassandra06.internal.softwareheritage.org.yaml
index 7dc8c7b5..4545274c 100644
--- a/data/hostname/cassandra06.internal.softwareheritage.org.yaml
+++ b/data/hostname/cassandra06.internal.softwareheritage.org.yaml
@@ -1,9 +1,12 @@
 # local cache is not compatible with rancher in docker
 dns::local_cache: false
 
 swh::apt_config::enable_non_free: true
 packages:
   - zfs-dkms
 
 dns::nameservers:
   - 192.168.100.29
+
+icinga2::host::vars:
+  load: sql