diff --git a/cluster/kube/k0.libsonnet b/cluster/kube/k0.libsonnet
index ad6b735a..aeb1d352 100644
--- a/cluster/kube/k0.libsonnet
+++ b/cluster/kube/k0.libsonnet
@@ -110,11 +110,6 @@ local rook = import "lib/rook.libsonnet";
                                 location: "rack=dcr01 chassis=bc01 host=bc01n02",
                                 devices: [ { name: "sda" } ],
                             },
-                            {
-                                name: "bc01n03.hswaw.net",
-                                location: "rack=dcr01 chassis=bc01 host=bc01n03",
-                                devices: [ { name: "sda" } ],
-                            },
                         ],
                     },
                     benji:: {
@@ -185,7 +180,7 @@ local rook = import "lib/rook.libsonnet";
             waw3: rook.Cluster(k0.cluster.rook, "ceph-waw3") {
                 spec: {
                     mon: {
-                        count: 3,
+                        count: 1,
                         allowMultiplePerNode: false,
                     },
                     storage: {
@@ -267,8 +262,8 @@ local rook = import "lib/rook.libsonnet";
                     spec: {
                         failureDomain: "osd",
                         erasureCoded: {
-                            dataChunks: 12,
-                            codingChunks: 4,
+                            dataChunks: 2,
+                            codingChunks: 1,
                         },
                     },
                 },