diff --git a/infrastructure/longhorn/core/longhorn-settings-ensure-job.yaml b/infrastructure/longhorn/core/longhorn-settings-ensure-job.yaml
index 241459ba..5a98d6ca 100644
--- a/infrastructure/longhorn/core/longhorn-settings-ensure-job.yaml
+++ b/infrastructure/longhorn/core/longhorn-settings-ensure-job.yaml
@@ -2,7 +2,7 @@
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: longhorn-settings-ensure-10
+  name: longhorn-settings-ensure-11
   namespace: longhorn-system
 spec:
   backoffLimit: 0
diff --git a/infrastructure/longhorn/core/scripts/longhorn_settings_ensure.sh b/infrastructure/longhorn/core/scripts/longhorn_settings_ensure.sh
index c02adc45..e718feb1 100644
--- a/infrastructure/longhorn/core/scripts/longhorn_settings_ensure.sh
+++ b/infrastructure/longhorn/core/scripts/longhorn_settings_ensure.sh
@@ -57,7 +57,8 @@ update_setting default-instance-manager-image "registry.bstein.dev/infra/longhor
 update_setting default-backing-image-manager-image "registry.bstein.dev/infra/longhorn-backing-image-manager:v1.8.2"
 update_setting support-bundle-manager-image "registry.bstein.dev/infra/longhorn-support-bundle-kit:v0.0.56"
 update_setting taint-toleration "veles.bstein.dev/simulation=true:NoSchedule"
-# Keep storage-heavy nodes from getting hammered by rebuild storms and skew.
-update_setting replica-auto-balance "best-effort"
-update_setting concurrent-replica-rebuild-per-node-limit "2"
+# Preserve redundancy without shuffling healthy replicas just to even the spread.
+# Serialize rebuilds on the Pi storage nodes to leave I/O for running services.
+update_setting replica-auto-balance "least-effort"
+update_setting concurrent-replica-rebuild-per-node-limit "1"
 update_setting node-down-pod-deletion-policy "delete-both-statefulset-and-deployment-pod"