k0: reflect reality

This is after the monster^Wrook outage of the week two weeks ago caused
by bc01n03 dying.

Plan is to migrate ceph-waw3 to be external, yeet ceph-waw2, and extend
crdb-waw1 to another node.

Change-Id: I133af3b1171fea383b45bf06c51e48a5c40341e4
diff --git a/cluster/kube/k0.libsonnet b/cluster/kube/k0.libsonnet
index ad6b735..aeb1d35 100644
--- a/cluster/kube/k0.libsonnet
+++ b/cluster/kube/k0.libsonnet
@@ -110,11 +110,6 @@
                                 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 @@
             waw3: rook.Cluster(k0.cluster.rook, "ceph-waw3") {
                 spec: {
                     mon: {
-                        count: 3,
+                        count: 1,
                         allowMultiplePerNode: false,
                     },
                     storage: {
@@ -267,8 +262,8 @@
                     spec: {
                         failureDomain: "osd",
                         erasureCoded: {
-                            dataChunks: 12,
-                            codingChunks: 4,
+                            dataChunks: 2,
+                            codingChunks: 1,
                         },
                     },
                 },