diff --git a/qmanager/policies/base/queue_policy_base.hpp b/qmanager/policies/base/queue_policy_base.hpp
index 6fa2e44df..cba124cb2 100644
--- a/qmanager/policies/base/queue_policy_base.hpp
+++ b/qmanager/policies/base/queue_policy_base.hpp
@@ -646,14 +646,28 @@ class queue_policy_base_t : public resource_model::queue_adapter_base_t {
             case job_state_kind_t::ALLOC_RUNNING:
                 // deliberately fall through
             case job_state_kind_t::RUNNING:
-                if (cancel (h, job_it->second->id, R, true, full_removal) != 0) {
-                    flux_log_error (flux_h,
-                                    "%s: .free RPC partial cancel failed for jobid "
-                                    "%jd",
-                                    __FUNCTION__,
-                                    static_cast<intmax_t> (id));
-                    errno = EINVAL;
-                    goto out;
+                if (!final) {
+                    if (cancel (h, job_it->second->id, R, true, full_removal) != 0) {
+                        flux_log_error (flux_h,
+                                        "%s: .free RPC partial cancel failed for jobid "
+                                        "%jd",
+                                        __FUNCTION__,
+                                        static_cast<intmax_t> (id));
+                        errno = EINVAL;
+                        goto out;
+                    }
+                } else {
+                    // Run a full cancel to clean up all remaining allocated resources
+                    if (cancel (h, job_it->second->id, true) != 0) {
+                        flux_log_error (flux_h,
+                                        "%s: .free RPC full cancel failed for jobid "
+                                        "%jd",
+                                        __FUNCTION__,
+                                        static_cast<intmax_t> (id));
+                        errno = EPROTO;
+                        goto out;
+                    }
+                    full_removal = true;
                 }
                 // We still want to run the sched loop even if there's an inconsistent state
                 set_schedulability (true);
@@ -664,24 +678,17 @@ class queue_policy_base_t : public resource_model::queue_adapter_base_t {
                     job_it->second->state = job_state_kind_t::COMPLETE;
                     // hold a reference to the shared_ptr to keep it alive
                     // during cancel
-                    auto job_sp = job_it->second;
                     m_jobs.erase (job_it);
-                    if (final && !full_removal) {
-                        // This error condition indicates a discrepancy between core and sched.
+                    if (full_removal && !final) {
+                        // This error condition can indicate a discrepancy between core and sched,
+                        // specifically that a partial cancel removed an allocation prior to
+                        // receiving the final .free RPC from core.
                         flux_log_error (flux_h,
-                                        "%s: Final .free RPC failed to remove all resources for "
+                                        "%s: removed allocation before final .free RPC for "
                                         "jobid "
                                         "%jd",
                                         __FUNCTION__,
                                         static_cast<intmax_t> (id));
-                        // Run a full cancel to clean up all remaining allocated resources
-                        if (cancel (h, job_sp->id, true) != 0) {
-                            flux_log_error (flux_h,
-                                            "%s: .free RPC full cancel failed for jobid "
-                                            "%jd",
-                                            __FUNCTION__,
-                                            static_cast<intmax_t> (id));
-                        }
                         errno = EPROTO;
                         goto out;
                     }
diff --git a/resource/planner/c/planner_multi_c_interface.cpp b/resource/planner/c/planner_multi_c_interface.cpp
index 97c6f8104..c316429c7 100644
--- a/resource/planner/c/planner_multi_c_interface.cpp
+++ b/resource/planner/c/planner_multi_c_interface.cpp
@@ -423,8 +423,13 @@ extern "C" int planner_multi_rem_span (planner_multi_t *ctx, int64_t span_id)
         goto done;
     }
     for (i = 0; i < it->second.size (); ++i) {
-        if (planner_rem_span (ctx->plan_multi->get_planner_at (i), it->second[i]) == -1)
-            goto done;
+        // If executed after partial cancel, depending on pruning filter settings
+        // some spans may no longer exist. In that case the span_lookup value for
+        // the resource type will be -1.
+        if (it->second[i] != -1) {
+            if (planner_rem_span (ctx->plan_multi->get_planner_at (i), it->second[i]) == -1)
+                goto done;
+        }
     }
     ctx->plan_multi->get_span_lookup ().erase (it);
     rc = 0;
diff --git a/resource/traversers/dfu_impl_update.cpp b/resource/traversers/dfu_impl_update.cpp
index f97e95ac6..8ee0b4ba6 100644
--- a/resource/traversers/dfu_impl_update.cpp
+++ b/resource/traversers/dfu_impl_update.cpp
@@ -535,6 +535,12 @@ int dfu_impl_t::mod_plan (vtx_t u, int64_t jobid, modify_data_t &mod_data)
         span = alloc_span->second;
         if (mod_data.mod_type != job_modify_t::PARTIAL_CANCEL) {
             (*m_graph)[u].schedule.allocations.erase (alloc_span);
+        } else {
+            // This condition is encountered when the vertex is
+            // not associated with a broker rank. We may need
+            // extra logic here to handle more advanced partial
+            // cancel in the future.
+            goto done;
         }
     } else if ((res_span = (*m_graph)[u].schedule.reservations.find (jobid))
                != (*m_graph)[u].schedule.reservations.end ()) {
diff --git a/t/CMakeLists.txt b/t/CMakeLists.txt
index 30d3a5369..82368ac13 100644
--- a/t/CMakeLists.txt
+++ b/t/CMakeLists.txt
@@ -29,6 +29,7 @@ set(ALL_TESTS
   t1024-alloc-check.t
   t1025-rv1-reload.t
   t1026-rv1-partial-release.t
+  t1027-rv1-partial-release-brokerless-resources.t
   t3000-jobspec.t
   t3001-resource-basic.t
   t3002-resource-prefix.t
diff --git a/t/data/resource/jgfs/issue1284.json b/t/data/resource/jgfs/issue1284.json
new file mode 100644
index 000000000..5ffd02d99
--- /dev/null
+++ b/t/data/resource/jgfs/issue1284.json
@@ -0,0 +1,2333 @@
+{
+  "version": 1,
+  "execution": {
+    "R_lite": [
+      {
+        "rank": "0",
+        "children": {
+          "core": "0-9"
+        }
+      }
+    ],
+    "starttime": 0.0,
+    "expiration": 0.0,
+    "nodelist": [
+      "compute-01"
+    ]
+  },
+  "scheduling": {
+    "graph": {
+      "directed": true,
+      "nodes": [
+        {
+          "id": "0",
+          "metadata": {
+            "type": "cluster",
+            "basename": "compute",
+            "name": "compute0",
+            "id": 0,
+            "uniq_id": 0,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "",
+            "size": 1,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0"
+            }
+          }
+        },
+        {
+          "id": "1",
+          "metadata": {
+            "type": "rack",
+            "basename": "rack",
+            "name": "rack0",
+            "id": 0,
+            "uniq_id": 1,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "",
+            "size": 1,
+            "properties": {
+              "rabbit": "kind-worker2",
+              "ssdcount": "36"
+            },
+            "paths": {
+              "containment": "/compute0/rack0"
+            }
+          }
+        },
+        {
+          "id": "2",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd0",
+            "id": 0,
+            "uniq_id": 2,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd0"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "3",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd1",
+            "id": 1,
+            "uniq_id": 3,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd1"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "4",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd2",
+            "id": 2,
+            "uniq_id": 4,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd2"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "5",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd3",
+            "id": 3,
+            "uniq_id": 5,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd3"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "6",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd4",
+            "id": 4,
+            "uniq_id": 6,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd4"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "7",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd5",
+            "id": 5,
+            "uniq_id": 7,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd5"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "8",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd6",
+            "id": 6,
+            "uniq_id": 8,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd6"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "9",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd7",
+            "id": 7,
+            "uniq_id": 9,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd7"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "10",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd8",
+            "id": 8,
+            "uniq_id": 10,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd8"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "11",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd9",
+            "id": 9,
+            "uniq_id": 11,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd9"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "12",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd10",
+            "id": 10,
+            "uniq_id": 12,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd10"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "13",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd11",
+            "id": 11,
+            "uniq_id": 13,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd11"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "14",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd12",
+            "id": 12,
+            "uniq_id": 14,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd12"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "15",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd13",
+            "id": 13,
+            "uniq_id": 15,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd13"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "16",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd14",
+            "id": 14,
+            "uniq_id": 16,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd14"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "17",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd15",
+            "id": 15,
+            "uniq_id": 17,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd15"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "18",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd16",
+            "id": 16,
+            "uniq_id": 18,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd16"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "19",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd17",
+            "id": 17,
+            "uniq_id": 19,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd17"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "20",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd18",
+            "id": 18,
+            "uniq_id": 20,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd18"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "21",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd19",
+            "id": 19,
+            "uniq_id": 21,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd19"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "22",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd20",
+            "id": 20,
+            "uniq_id": 22,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd20"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "23",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd21",
+            "id": 21,
+            "uniq_id": 23,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd21"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "24",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd22",
+            "id": 22,
+            "uniq_id": 24,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd22"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "25",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd23",
+            "id": 23,
+            "uniq_id": 25,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd23"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "26",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd24",
+            "id": 24,
+            "uniq_id": 26,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd24"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "27",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd25",
+            "id": 25,
+            "uniq_id": 27,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd25"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "28",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd26",
+            "id": 26,
+            "uniq_id": 28,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd26"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "29",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd27",
+            "id": 27,
+            "uniq_id": 29,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd27"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "30",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd28",
+            "id": 28,
+            "uniq_id": 30,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd28"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "31",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd29",
+            "id": 29,
+            "uniq_id": 31,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd29"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "32",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd30",
+            "id": 30,
+            "uniq_id": 32,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd30"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "33",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd31",
+            "id": 31,
+            "uniq_id": 33,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack0/ssd31"
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+            "name": "ssd30",
+            "id": 30,
+            "uniq_id": 80,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack1/ssd30"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "81",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd31",
+            "id": 31,
+            "uniq_id": 81,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack1/ssd31"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "82",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd32",
+            "id": 32,
+            "uniq_id": 82,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack1/ssd32"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "83",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd33",
+            "id": 33,
+            "uniq_id": 83,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack1/ssd33"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "84",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd34",
+            "id": 34,
+            "uniq_id": 84,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack1/ssd34"
+            },
+            "status": 0
+          }
+        },
+        {
+          "id": "85",
+          "metadata": {
+            "type": "ssd",
+            "basename": "ssd",
+            "name": "ssd35",
+            "id": 35,
+            "uniq_id": 85,
+            "rank": -1,
+            "exclusive": true,
+            "unit": "GiB",
+            "size": 1024,
+            "properties": {},
+            "paths": {
+              "containment": "/compute0/rack1/ssd35"
+            },
+            "status": 0
+          }
+        }
+      ],
+      "edges": [
+        {
+          "source": "0",
+          "target": "1",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "2",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "3",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "4",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "5",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "6",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "7",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "8",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "9",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "10",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "11",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "12",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "13",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "14",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "15",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "16",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "17",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "18",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "19",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "20",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "21",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "22",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "23",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "24",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "25",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "26",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "27",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "28",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "29",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "30",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "31",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "32",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "33",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "34",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "35",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "36",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "37",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "1",
+          "target": "38",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "39",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "40",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "41",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "42",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "43",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "44",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "45",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "46",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "47",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "38",
+          "target": "48",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "0",
+          "target": "49",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "50",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "51",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "52",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "53",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "54",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "55",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "56",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "57",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "58",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "59",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "60",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "61",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "62",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "63",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "64",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "65",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "66",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "67",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "68",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "69",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "70",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "71",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "72",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "73",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "74",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "75",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "76",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "77",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "78",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "79",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "80",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "81",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "82",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "83",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "84",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        },
+        {
+          "source": "49",
+          "target": "85",
+          "directed": true,
+          "metadata": {
+            "subsystem": "containment"
+          }
+        }
+      ]
+    }
+  }
+}
diff --git a/t/data/resource/jobspecs/issues/issue1284-noslot.json b/t/data/resource/jobspecs/issues/issue1284-noslot.json
new file mode 100644
index 000000000..846e031dd
--- /dev/null
+++ b/t/data/resource/jobspecs/issues/issue1284-noslot.json
@@ -0,0 +1,46 @@
+{
+  "resources": [
+    {
+      "type": "node",
+      "count": 1,
+      "exclusive": true,
+      "with": [
+        {
+          "type": "slot",
+          "count": 1,
+          "with": [
+            {
+              "type": "core",
+              "count": 1
+            }
+          ],
+          "label": "task"
+        }
+      ]
+    },
+    {
+      "type": "ssd",
+      "count": 20480,
+      "exclusive": true
+    }
+  ],
+  "tasks": [
+    {
+      "command": [
+        "hostname"
+      ],
+      "slot": "task",
+      "count": {
+        "per_slot": 1
+      }
+    }
+  ],
+  "attributes": {
+    "system": {
+      "duration": 0,
+      "environment": {},
+      "shell": {}
+    }
+  },
+  "version": 1
+}
diff --git a/t/data/resource/jobspecs/issues/issue1284.json b/t/data/resource/jobspecs/issues/issue1284.json
new file mode 100644
index 000000000..59ace6f26
--- /dev/null
+++ b/t/data/resource/jobspecs/issues/issue1284.json
@@ -0,0 +1,53 @@
+{
+  "resources": [
+    {
+      "type": "slot",
+      "count": 1,
+      "label": "default",
+      "with": [
+        {
+          "type": "node",
+          "count": 1,
+          "exclusive": true,
+          "with": [
+            {
+              "type": "slot",
+              "count": 1,
+              "with": [
+                {
+                  "type": "core",
+                  "count": 1
+                }
+              ],
+              "label": "task"
+            }
+          ]
+        },
+        {
+          "type": "ssd",
+          "count": 20480,
+          "exclusive": true
+        }
+      ]
+    }
+  ],
+  "tasks": [
+    {
+      "command": [
+        "hostname"
+      ],
+      "slot": "task",
+      "count": {
+        "per_slot": 1
+      }
+    }
+  ],
+  "attributes": {
+    "system": {
+      "duration": 0,
+      "environment": {},
+      "shell": {}
+    }
+  },
+  "version": 1
+}
diff --git a/t/t1027-rv1-partial-release-brokerless-resources.t b/t/t1027-rv1-partial-release-brokerless-resources.t
new file mode 100755
index 000000000..b8d6313ee
--- /dev/null
+++ b/t/t1027-rv1-partial-release-brokerless-resources.t
@@ -0,0 +1,193 @@
+#!/bin/sh
+#
+test_description='Ensure fluxion cancels resources that are not associated with a broker rank'
+
+# See, e.g. issue #1284
+
+. `dirname $0`/sharness.sh
+
+if test_have_prereq ASAN; then
+    skip_all='skipping issues tests under AddressSanitizer'
+    test_done
+fi
+SIZE=1
+test_under_flux ${SIZE}
+
+
+test_expect_success 'an ssd jobspec can be allocated' '
+	flux module remove sched-simple &&
+	flux module remove resource &&
+	flux config load <<EOF &&
+[resource]
+noverify = true
+norestrict = true
+path="${SHARNESS_TEST_SRCDIR}/data/resource/jgfs/issue1284.json"
+EOF
+	flux module load resource monitor-force-up &&
+	flux module load sched-fluxion-resource &&
+	flux module load sched-fluxion-qmanager &&
+	flux module unload job-list &&
+	flux module list &&
+	flux queue start --all --quiet &&
+	flux resource list &&
+	flux resource status &&
+	jobid=$(flux job submit --flags=waitable \
+			${SHARNESS_TEST_SRCDIR}/data/resource/jobspecs/issues/issue1284.json) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'single-node non-ssd jobspecs can be allocated' '
+	jobid=$(flux submit -n1 -N1 true) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'a second ssd jobspec can be allocated' '
+	jobid=$(flux job submit --flags=waitable \
+			${SHARNESS_TEST_SRCDIR}/data/resource/jobspecs/issues/issue1284.json) &&
+	flux job wait-event -vt15 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'single-node non-ssd jobspecs can still be allocated' '
+	(flux cancel ${jobid} || true) &&
+	jobid=$(flux submit -n1 -N1 true) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'reload fluxion and resource module' '
+	flux cancel --all &&
+	flux module remove sched-fluxion-qmanager &&
+	flux module remove sched-fluxion-resource &&
+	flux module reload resource &&
+	flux module load sched-fluxion-resource &&
+	flux module load sched-fluxion-qmanager &&
+	flux module list &&
+	flux queue start --all --quiet
+'
+
+test_expect_success 'an ssd jobspec with no slot can be allocated' '
+	flux resource list &&
+	flux resource status &&
+	jobid=$(flux job submit --flags=waitable \
+			${SHARNESS_TEST_SRCDIR}/data/resource/jobspecs/issues/issue1284-noslot.json) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'single-node non-ssd jobspecs can be allocated' '
+	jobid=$(flux submit -n1 -N1 true) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'a second ssd jobspec with no slot can be allocated' '
+	jobid=$(flux job submit --flags=waitable \
+			${SHARNESS_TEST_SRCDIR}/data/resource/jobspecs/issues/issue1284-noslot.json) &&
+	flux job wait-event -vt15 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'single-node non-ssd jobspecs can still be allocated' '
+	(flux cancel ${jobid} || true) &&
+	jobid=$(flux submit -n1 -N1 true) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'reload fluxion and resource module' '
+	flux module remove sched-fluxion-qmanager &&
+	flux module remove sched-fluxion-resource
+'
+
+test_expect_success 're-run tests with ssd pruning filters' '
+	flux module remove resource &&
+	flux config load <<EOF &&
+[resource]
+noverify = true
+norestrict = true
+path="${SHARNESS_TEST_SRCDIR}/data/resource/jgfs/issue1284.json"
+[sched-fluxion-resource]
+prune-filters = "ALL:core,ALL:ssd"
+EOF
+	flux module load resource monitor-force-up &&
+	flux module load sched-fluxion-resource &&
+	flux module load sched-fluxion-qmanager &&
+	flux module list &&
+	flux queue start --all --quiet &&
+	flux resource list &&
+	flux resource status &&
+	jobid=$(flux job submit --flags=waitable \
+			${SHARNESS_TEST_SRCDIR}/data/resource/jobspecs/issues/issue1284.json) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'single-node non-ssd jobspecs can be allocated with ssd pruning filters' '
+	jobid=$(flux submit -n1 -N1 true) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'a second ssd jobspec can be allocated with ssd pruning filters' '
+	jobid=$(flux job submit --flags=waitable \
+			${SHARNESS_TEST_SRCDIR}/data/resource/jobspecs/issues/issue1284.json) &&
+	flux job wait-event -vt15 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'single-node non-ssd jobspecs can still be allocated with ssd pruning filters' '
+	(flux cancel ${jobid} || true) &&
+	jobid=$(flux submit -n1 -N1 true) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'reload fluxion and resource module with ssd pruning filters' '
+	flux cancel --all &&
+	flux module remove sched-fluxion-qmanager &&
+	flux module remove sched-fluxion-resource &&
+	flux module reload resource &&
+	flux module load sched-fluxion-resource &&
+	flux module load sched-fluxion-qmanager &&
+	flux module list &&
+	flux queue start --all --quiet
+'
+
+test_expect_success 'an ssd jobspec with no slot can be allocated with ssd pruning filters' '
+	flux resource list &&
+	flux resource status &&
+	jobid=$(flux job submit --flags=waitable \
+			${SHARNESS_TEST_SRCDIR}/data/resource/jobspecs/issues/issue1284-noslot.json) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'single-node non-ssd jobspecs can be allocated with ssd pruning filters' '
+	jobid=$(flux submit -n1 -N1 true) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'a second ssd jobspec with no slot can be allocated with ssd pruning filters' '
+	jobid=$(flux job submit --flags=waitable \
+			${SHARNESS_TEST_SRCDIR}/data/resource/jobspecs/issues/issue1284-noslot.json) &&
+	flux job wait-event -vt15 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'single-node non-ssd jobspecs can still be allocated with ssd pruning filters' '
+	(flux cancel ${jobid} || true) &&
+	jobid=$(flux submit -n1 -N1 true) &&
+	flux job wait-event -vt5 ${jobid} alloc &&
+	flux job wait-event -vt5 ${jobid} clean
+'
+
+test_expect_success 'reload fluxion and resource module with ssd pruning filters' '
+	flux module remove sched-fluxion-qmanager &&
+	flux module remove sched-fluxion-resource
+'
+
+test_done