diff --git a/ceph-client/Chart.yaml b/ceph-client/Chart.yaml
index 9e5f3a216..0bea61982 100644
--- a/ceph-client/Chart.yaml
+++ b/ceph-client/Chart.yaml
@@ -15,6 +15,6 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Ceph Client
 name: ceph-client
-version: 0.1.40
+version: 0.1.41
 home: https://github.com/ceph/ceph-client
 ...
diff --git a/ceph-client/templates/bin/pool/_init.sh.tpl b/ceph-client/templates/bin/pool/_init.sh.tpl
index 5da21cee9..a922a0ad1 100644
--- a/ceph-client/templates/bin/pool/_init.sh.tpl
+++ b/ceph-client/templates/bin/pool/_init.sh.tpl
@@ -218,9 +218,14 @@ function set_pool_property() {
   PROPERTY_NAME=$2
   CURRENT_PROPERTY_VALUE=$3
   TARGET_PROPERTY_VALUE=$4
+  REALLY_MEAN_IT=""
+
+  if [[ "${PROPERTY_NAME}" == "size" ]]; then
+    REALLY_MEAN_IT="--yes-i-really-mean-it"
+  fi
 
   if [[ "${CURRENT_PROPERTY_VALUE}" != "${TARGET_PROPERTY_VALUE}" ]]; then
-    ceph --cluster "${CLUSTER}" osd pool set "${POOL_NAME}" "${PROPERTY_NAME}" "${TARGET_PROPERTY_VALUE}"
+    ceph --cluster "${CLUSTER}" osd pool set "${POOL_NAME}" "${PROPERTY_NAME}" "${TARGET_PROPERTY_VALUE}" ${REALLY_MEAN_IT}
   fi
 
   echo "${TARGET_PROPERTY_VALUE}"
diff --git a/releasenotes/notes/ceph-client.yaml b/releasenotes/notes/ceph-client.yaml
index 08fbab0f1..e7bfcea1d 100644
--- a/releasenotes/notes/ceph-client.yaml
+++ b/releasenotes/notes/ceph-client.yaml
@@ -41,4 +41,5 @@ ceph-client:
   - 0.1.38 Make use of noautoscale with Pacific
   - 0.1.39 Correct check for too many OSDs in the pool job
   - 0.1.40 Fix OSD count checks in the ceph-rbd-pool job
+  - 0.1.41 Allow gate scripts to use 1x replication in Ceph
 ...
diff --git a/tools/deployment/multinode/030-ceph.sh b/tools/deployment/multinode/030-ceph.sh
index 977b92b12..d424e5efd 100755
--- a/tools/deployment/multinode/030-ceph.sh
+++ b/tools/deployment/multinode/030-ceph.sh
@@ -64,6 +64,7 @@ conf:
   ceph:
     global:
       fsid: ${CEPH_FS_ID}
+      mon_allow_pool_size_one: true
   rgw_ks:
     enabled: true
   pool:
diff --git a/tools/deployment/osh-infra-logging-tls/020-ceph.sh b/tools/deployment/osh-infra-logging-tls/020-ceph.sh
index 1439177cb..5c7020885 100755
--- a/tools/deployment/osh-infra-logging-tls/020-ceph.sh
+++ b/tools/deployment/osh-infra-logging-tls/020-ceph.sh
@@ -73,6 +73,7 @@ conf:
     global:
       fsid: ${CEPH_FS_ID}
       mon_addr: :6789
+      mon_allow_pool_size_one: true
       osd_pool_default_size: 1
     osd:
       osd_crush_chooseleaf_type: 0
diff --git a/tools/deployment/osh-infra-logging/020-ceph.sh b/tools/deployment/osh-infra-logging/020-ceph.sh
index 60a18627e..00daec5e3 100755
--- a/tools/deployment/osh-infra-logging/020-ceph.sh
+++ b/tools/deployment/osh-infra-logging/020-ceph.sh
@@ -73,6 +73,7 @@ conf:
     global:
       fsid: ${CEPH_FS_ID}
       mon_addr: :6789
+      mon_allow_pool_size_one: true
       osd_pool_default_size: 1
     osd:
       osd_crush_chooseleaf_type: 0
diff --git a/tools/deployment/tenant-ceph/030-ceph.sh b/tools/deployment/tenant-ceph/030-ceph.sh
index 111e74113..f7cac6e85 100755
--- a/tools/deployment/tenant-ceph/030-ceph.sh
+++ b/tools/deployment/tenant-ceph/030-ceph.sh
@@ -82,6 +82,7 @@ conf:
   ceph:
     global:
       fsid: ${CEPH_FS_ID}
+      mon_allow_pool_size_one: true
     mon:
       mon_clock_drift_allowed: 2.0
   rgw_ks:
diff --git a/tools/deployment/tenant-ceph/040-tenant-ceph.sh b/tools/deployment/tenant-ceph/040-tenant-ceph.sh
index 8626a5cd1..cdcfea8fa 100755
--- a/tools/deployment/tenant-ceph/040-tenant-ceph.sh
+++ b/tools/deployment/tenant-ceph/040-tenant-ceph.sh
@@ -127,6 +127,7 @@ conf:
   ceph:
     global:
       fsid: ${TENANT_CEPH_FS_ID}
+      mon_allow_pool_size_one: true
   rgw_ks:
     enabled: true
   pool: