{"id":"bare-metal-edge-maximum-divergence-from-platform-model","text":"Bare metal edge deployments represent the maximum divergence from the standard OpenShift operational model: they combine full-stack infrastructure specialization (BMC, Ironic, MetalLB) with topology-specific constraints (SNO limitations, ZTP fleet management, TALM update gating), requiring the most specialized operational playbook of any deployment pattern.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["alternative-topologies-diverge-from-standard-operations","bare-metal-edge-requires-full-stack-specialization"],"outlist":[],"label":"depth-5 synthesis — bare-metal edge compounds both infrastructure and topology divergences simultaneously"}],"dependents":["bare-metal-edge-fully-autonomous"],"metadata":{},"explanation":{"steps":[{"node":"bare-metal-edge-maximum-divergence-from-platform-model","truth_value":"IN","reason":"SL justification valid","antecedents":["alternative-topologies-diverge-from-standard-operations","bare-metal-edge-requires-full-stack-specialization"],"label":"depth-5 synthesis — bare-metal edge compounds both infrastructure and topology divergences simultaneously"},{"node":"alternative-topologies-diverge-from-standard-operations","truth_value":"IN","reason":"SL justification valid","antecedents":["hcp-requires-distinct-operational-playbook","edge-fleet-management-pipeline"],"label":"depth-3 — non-standard topologies share the property of diverging from the default operational model"},{"node":"hcp-requires-distinct-operational-playbook","truth_value":"IN","reason":"SL justification valid","antecedents":["hcp-diverges-from-standalone-machine-and-provisioning","hcp-clusterversion-ignored","hcp-web-console-limitations","hcp-force-rollout-restart-date-annotation"],"label":"Each HCP divergence point invalidates a standalone operational procedure — together they demonstrate that HCP needs its own runbook, not adaptations of standalone procedures"},{"node":"hcp-diverges-from-standalone-machine-and-provisioning","truth_value":"IN","reason":"SL justification valid","antecedents":["hcp-differs-from-standalone-in-machine-management","bare-metal-provisioning-architecture"],"label":"Machine lifecycle management is architecturally split between HCP and standalone patterns"},{"node":"hcp-differs-from-standalone-in-machine-management","truth_value":"IN","reason":"SL justification valid","antecedents":["hcp-nodepool-autorepair-spec","hcp-nodepool-upgrade-types-replace-inplace","hcp-nodepool-spec-config-vs-tuningconfig","hcp-managed-via-hypershift-operator"],"label":"HCP centralizes machine lifecycle into the NodePool abstraction"},{"node":"hcp-nodepool-autorepair-spec","truth_value":"IN","reason":"premise"},{"node":"hcp-nodepool-upgrade-types-replace-inplace","truth_value":"IN","reason":"premise"},{"node":"hcp-nodepool-spec-config-vs-tuningconfig","truth_value":"IN","reason":"premise"},{"node":"hcp-managed-via-hypershift-operator","truth_value":"IN","reason":"premise"},{"node":"bare-metal-provisioning-architecture","truth_value":"IN","reason":"SL justification valid","antecedents":["bare-metal-ipi-uses-bmc","bmh-rootdevicehints-model-vendor-substring","provisioning-consumed-by-cluster-baremetal-operator","provisioning-ip-inside-subnet-outside-dhcp"],"label":"Full bare metal provisioning stack from BMC through metal3"},{"node":"bare-metal-ipi-uses-bmc","truth_value":"IN","reason":"premise"},{"node":"bmh-rootdevicehints-model-vendor-substring","truth_value":"IN","reason":"premise"},{"node":"provisioning-consumed-by-cluster-baremetal-operator","truth_value":"IN","reason":"premise"},{"node":"provisioning-ip-inside-subnet-outside-dhcp","truth_value":"IN","reason":"premise"},{"node":"hcp-clusterversion-ignored","truth_value":"IN","reason":"premise"},{"node":"hcp-web-console-limitations","truth_value":"IN","reason":"premise"},{"node":"hcp-force-rollout-restart-date-annotation","truth_value":"IN","reason":"premise"},{"node":"edge-fleet-management-pipeline","truth_value":"IN","reason":"SL justification valid","antecedents":["ztp-pattern-edge-fleet-management","talm-canary-failure-stops-update","sno-reduced-capability-profile","vdu-firmware-cstates-c0-c1-only"],"label":"ZTP provisioning, TALM updates, SNO topology, and vDU constraints form a complete edge lifecycle"},{"node":"ztp-pattern-edge-fleet-management","truth_value":"IN","reason":"premise"},{"node":"talm-canary-failure-stops-update","truth_value":"IN","reason":"premise"},{"node":"sno-reduced-capability-profile","truth_value":"IN","reason":"SL justification valid","antecedents":["ocpvirt-sno-no-live-migration-ha","sriov-sno-disable-drain","sno-worker-requires-ocp-411"],"label":"SNO trades operational features for minimal footprint"},{"node":"ocpvirt-sno-no-live-migration-ha","truth_value":"IN","reason":"premise"},{"node":"sriov-sno-disable-drain","truth_value":"IN","reason":"premise"},{"node":"sno-worker-requires-ocp-411","truth_value":"IN","reason":"premise"},{"node":"vdu-firmware-cstates-c0-c1-only","truth_value":"IN","reason":"premise"},{"node":"bare-metal-edge-requires-full-stack-specialization","truth_value":"IN","reason":"SL justification valid","antecedents":["bare-metal-requires-specialized-infra-at-every-layer","edge-fleet-management-pipeline"],"label":"depth-2 bare metal infra + depth-2 edge fleet management combine into the most operationally complex deployment model"},{"node":"bare-metal-requires-specialized-infra-at-every-layer","truth_value":"IN","reason":"SL justification valid","antecedents":["bare-metal-provisioning-architecture","metallb-bare-metal-networking-model"],"label":"depth-2 — bare metal demands explicit infrastructure at provisioning and networking layers that cloud platforms abstract away"},{"node":"bare-metal-provisioning-architecture","truth_value":"IN","reason":"SL justification valid","antecedents":["bare-metal-ipi-uses-bmc","bmh-rootdevicehints-model-vendor-substring","provisioning-consumed-by-cluster-baremetal-operator","provisioning-ip-inside-subnet-outside-dhcp"],"label":"Full bare metal provisioning stack from BMC through metal3"},{"node":"bare-metal-ipi-uses-bmc","truth_value":"IN","reason":"premise"},{"node":"bmh-rootdevicehints-model-vendor-substring","truth_value":"IN","reason":"premise"},{"node":"provisioning-consumed-by-cluster-baremetal-operator","truth_value":"IN","reason":"premise"},{"node":"provisioning-ip-inside-subnet-outside-dhcp","truth_value":"IN","reason":"premise"},{"node":"metallb-bare-metal-networking-model","truth_value":"IN","reason":"SL justification valid","antecedents":["metallb-l2-failover-gratuitous-arp","metallb-bgp-single-asn-requirement"],"label":"MetalLB L2 and BGP modes form the bare metal external networking model"},{"node":"metallb-l2-failover-gratuitous-arp","truth_value":"IN","reason":"premise"},{"node":"metallb-bgp-single-asn-requirement","truth_value":"IN","reason":"premise"},{"node":"edge-fleet-management-pipeline","truth_value":"IN","reason":"SL justification valid","antecedents":["ztp-pattern-edge-fleet-management","talm-canary-failure-stops-update","sno-reduced-capability-profile","vdu-firmware-cstates-c0-c1-only"],"label":"ZTP provisioning, TALM updates, SNO topology, and vDU constraints form a complete edge lifecycle"},{"node":"ztp-pattern-edge-fleet-management","truth_value":"IN","reason":"premise"},{"node":"talm-canary-failure-stops-update","truth_value":"IN","reason":"premise"},{"node":"sno-reduced-capability-profile","truth_value":"IN","reason":"SL justification valid","antecedents":["ocpvirt-sno-no-live-migration-ha","sriov-sno-disable-drain","sno-worker-requires-ocp-411"],"label":"SNO trades operational features for minimal footprint"},{"node":"ocpvirt-sno-no-live-migration-ha","truth_value":"IN","reason":"premise"},{"node":"sriov-sno-disable-drain","truth_value":"IN","reason":"premise"},{"node":"sno-worker-requires-ocp-411","truth_value":"IN","reason":"premise"},{"node":"vdu-firmware-cstates-c0-c1-only","truth_value":"IN","reason":"premise"}]}}