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That option concerns Multi-process HPL rank placement and CPU affinity. Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design.

This alternative is relevant to CUDA device query and kernel smoke tests but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Inspect deviceQuery or equivalent CUDA sample output, driver-runtime versions and kernel launch error codes. Observed scenario: A compute rack's physical NIC is patched to the wrong leaf switch yet application routes sometimes succeed.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. A compute rack's physical NIC is patched to the wrong leaf switch yet application routes sometimes succeed. Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design.

This alternative is relevant to DCGM active single-node diagnostic suites but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Schedule supported active DCGM diagnostics for the relevant GPU class and investigate detailed failures. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints.

This alternative is relevant to CUDA device query and kernel smoke tests but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Execute supported CUDA runtime initialization and minimal kernel tests on each scheduled accelerator. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. A fabric team generates topology diagrams from host IP names without checking cable endpoints.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. A fabric team generates topology diagrams from host IP names without checking cable endpoints. Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design.

That option concerns NCCL algorithm choice and topology mapping. Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design.

This alternative is relevant to GPU thermal power and memory single-node burn-in but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Sustained accelerator load can reveal thermal and electrical limits not visible during idle or brief smoke checks. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints.

This alternative is relevant to Cluster-wide preflight hardware inventory but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Inspect node inventory, GPU and NIC UUIDs, firmware and driver versions, cabling records and test eligibility. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints. The governing mechanism is: Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design. The proportionate action is: Reconcile physical cable labels and port inventory with LLDP or equivalent neighbor discovery and connectivity tests.

This alternative is relevant to GPU thermal power and memory single-node burn-in but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Inspect GPU temperature and power traces, clock throttle reasons, error counters and completed stress duration. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints.

This alternative is relevant to HPL configuration matrix dimensions and performance but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: The approved HPL run completes valid numerical checks with repeatable measured throughput documented. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints.

This alternative is relevant to HPL numerical result and residual validation but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Each accepted HPL trial both passes numerical correctness and meets the approved performance threshold. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. Observed scenario: A fabric team generates topology diagrams from host IP names without checking cable endpoints. The governing mechanism is: Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design. The proportionate action is: Reconcile physical cable labels and port inventory with LLDP or equivalent neighbor discovery and connectivity tests. A direct check is: Inspect cable IDs, neighbor advertisements, switch port inventory and approved topology drawing. The acceptance condition is: Every intended host and switch port reaches the correct physical peer with documented redundant paths.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

This alternative is relevant to Cluster-wide preflight hardware inventory but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Capture a reproducible preflight inventory of node hardware, software, connections and expected acceptance tests. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

This alternative is relevant to HPL configuration matrix dimensions and performance but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Select a representative supported HPL problem size and process layout, then report achieved and reference performance honestly. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

This alternative is relevant to Cluster-wide preflight hardware inventory but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: A representative performance benchmark is meaningful only when the tested hardware and software baseline are documented. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. A port's peer changes after an emergency repatch but the acceptance report still lists its original link. Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design.

This alternative is relevant to CUDA device query and kernel smoke tests but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Device enumeration through management utilities does not independently prove CUDA execution or user-space compatibility. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

This alternative is relevant to HPL configuration matrix dimensions and performance but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Inspect HPL configuration, problem size, process grid, elapsed time, residual report and resource mapping. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link. The governing mechanism is: Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design. The proportionate action is: Reconcile physical cable labels and port inventory with LLDP or equivalent neighbor discovery and connectivity tests.

This alternative is relevant to DCGM active single-node diagnostic suites but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: Inspect dcgmi diag suite results, entity IDs, error logs, driver state and conflicting running workloads. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

This tempting but unsafe shortcut is not a sufficient remediation for Cable topology mapping with LLDP and physical records: Assume that IP routing can prove every cable is installed at the correct rack and switch port. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link. The governing mechanism is: Logical reachability does not prove the physical redundancy and topology assumptions required by the rack design. The proportionate action is: Reconcile physical cable labels and port inventory with LLDP or equivalent neighbor discovery and connectivity tests. A direct check is: Inspect cable IDs, neighbor advertisements, switch port inventory and approved topology drawing. The acceptance condition is: Every intended host and switch port reaches the correct physical peer with documented redundant paths.

This alternative is relevant to HPL configuration matrix dimensions and performance but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: The approved HPL run completes valid numerical checks with repeatable measured throughput documented. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

This alternative is relevant to GPU thermal power and memory single-node burn-in but does not directly resolve the current Cable topology mapping with LLDP and physical records issue: The node sustains approved workload performance without unplanned throttling, errors or facility alarms. Observed scenario: A port's peer changes after an emergency repatch but the acceptance report still lists its original link.

That option concerns Integrated qualification evidence matrix and signoff. Cluster readiness is a multi-component property requiring simultaneous compute, host and network validation.

This alternative is relevant to Cluster-wide preflight hardware inventory but does not directly resolve the current ClusterKit multi-node qualification workflow issue: Capture a reproducible preflight inventory of node hardware, software, connections and expected acceptance tests. Observed scenario: A new AI partition runs single-node diagnostics but no coordinated test of node-to-node readiness.

This tempting but unsafe shortcut is not a sufficient remediation for ClusterKit multi-node qualification workflow: Mark a cluster fully validated solely because one representative server completed a local benchmark.

This alternative is relevant to GPU thermal power and memory single-node burn-in but does not directly resolve the current ClusterKit multi-node qualification workflow issue: Inspect GPU temperature and power traces, clock throttle reasons, error counters and completed stress duration. Observed scenario: A new AI partition runs single-node diagnostics but no coordinated test of node-to-node readiness.

This tempting but unsafe shortcut is not a sufficient remediation for ClusterKit multi-node qualification workflow: Mark a cluster fully validated solely because one representative server completed a local benchmark. Cluster readiness is a multi-component property requiring simultaneous compute, host and network validation.

This alternative is relevant to Inter-node NCCL east-west RDMA readiness but does not directly resolve the current ClusterKit multi-node qualification workflow issue: Validate intended inter-node RDMA devices, transport selection and network reachability with multi-node NCCL tests. Observed scenario: A new AI partition runs single-node diagnostics but no coordinated test of node-to-node readiness.