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That option concerns BCM high availability and management failover. CUDA user-space tools require a functioning compatible kernel driver; package presence alone is insufficient.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. A CUDA example reports no GPU after an operator updates Linux headers but does not rebuild the NVIDIA module. CUDA user-space tools require a functioning compatible kernel driver; package presence alone is insufficient.

This alternative is relevant to Host SSH certificates keys and OS access segregation but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Review authorized key and account policy, SSH server settings, firewall reachability and authentication logs. Observed scenario: A CUDA example reports no GPU after an operator updates Linux headers but does not rebuild the NVIDIA module.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module.

This alternative is relevant to Enroot container image and execution lifecycle but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Use approved Enroot images and versioned runtime dependencies with restricted mounts and a reproducible launch test. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module.

This alternative is relevant to BCM node categories and role inheritance but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Define explicit BCM node categories and managed overrides for shared hardware and service configuration. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module.

That option concerns Base Command Manager head-node installation. The proportionate action is: Install a supported NVIDIA driver branch, manage kernel-module compatibility and verify driver load and CUDA enumeration.

This alternative is relevant to BCM high availability and management failover but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Adding a second management host does not prove cluster-manager continuity unless state and advertised services fail over. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module. CUDA user-space tools require a functioning compatible kernel driver; package presence alone is insufficient.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module. The governing mechanism is: CUDA user-space tools require a functioning compatible kernel driver; package presence alone is insufficient. The proportionate action is: Install a supported NVIDIA driver branch, manage kernel-module compatibility and verify driver load and CUDA enumeration.

This alternative is relevant to Base Command Manager head-node installation but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Inspect BCM service health, database backups, node discovery, management interfaces and provisioning records. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module.

This alternative is relevant to Enroot container image and execution lifecycle but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Inspect image digests, Enroot startup logs, mounted directories, runtime libraries and test-job output. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module.

This alternative is relevant to BCM image provisioning and PXE worker boot but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: The intended worker reliably reboots into the approved OS and image with the right management identity. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module. The governing mechanism is: CUDA user-space tools require a functioning compatible kernel driver; package presence alone is insufficient. The proportionate action is: Install a supported NVIDIA driver branch, manage kernel-module compatibility and verify driver load and CUDA enumeration. A direct check is: Inspect module binding, driver versions, dmesg, Secure Boot signatures and a CUDA device-query test. The acceptance condition is: The host enumerates all supported GPUs through the intended driver after a reboot and kernel update.

This alternative is relevant to Host SSH certificates keys and OS access segregation but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Approved operators reach only assigned nodes and unauthorized sessions fail with traceable audit events. Observed scenario: A host has two incompatible GPU driver branches and its userspace library cannot talk to the kernel module.

This alternative is relevant to Base Command Manager head-node installation but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Install the supported BCM head-node services and preserve configuration data before provisioning and accepting workers. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully.

This alternative is relevant to BCM node categories and role inheritance but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Define explicit BCM node categories and managed overrides for shared hardware and service configuration. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully.

That option concerns Compute fabric interface bonding and RDMA prerequisites. The proportionate action is: Install a supported NVIDIA driver branch, manage kernel-module compatibility and verify driver load and CUDA enumeration.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully. CUDA user-space tools require a functioning compatible kernel driver; package presence alone is insufficient.

This alternative is relevant to BCM high availability and management failover but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Adding a second management host does not prove cluster-manager continuity unless state and advertised services fail over. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully.

This alternative is relevant to BCM image provisioning and PXE worker boot but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Inspect DHCP leases, PXE requests, image revisions, BCM node mappings and host boot traces. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully.

This alternative is relevant to Base Command Manager head-node installation but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Inspect BCM service health, database backups, node discovery, management interfaces and provisioning records. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully. The governing mechanism is: CUDA user-space tools require a functioning compatible kernel driver; package presence alone is insufficient. The proportionate action is: Install a supported NVIDIA driver branch, manage kernel-module compatibility and verify driver load and CUDA enumeration.

This tempting but unsafe shortcut is not a sufficient remediation for GPU driver modules and DKMS lifecycle: Assume nvidia-smi can use a new unsupported kernel module just because the user-space command remains installed. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully. The governing mechanism is: CUDA user-space tools require a functioning compatible kernel driver; package presence alone is insufficient. The proportionate action is: Install a supported NVIDIA driver branch, manage kernel-module compatibility and verify driver load and CUDA enumeration. A direct check is: Inspect module binding, driver versions, dmesg, Secure Boot signatures and a CUDA device-query test. The acceptance condition is: The host enumerates all supported GPUs through the intended driver after a reboot and kernel update.

This alternative is relevant to DOCA host networking and RDMA driver stack but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: Required RDMA and DOCA capabilities operate on canary and production nodes without incompatible modules. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully.

This alternative is relevant to Base Command Manager head-node installation but does not directly resolve the current GPU driver modules and DKMS lifecycle issue: The management node reports correct cluster state and consistently deploys an approved image to intended nodes. Observed scenario: Secure Boot rejects an unsigned driver after planned maintenance even though the package installer exited successfully.

This tempting but unsafe shortcut is not a sufficient remediation for DOCA host networking and RDMA driver stack: Treat the successful installation of a DOCA package as conclusive proof that every network and offload function works.

This alternative is relevant to Slurm controller partition setup but does not directly resolve the current DOCA host networking and RDMA driver stack issue: Define supported Slurm controller, compute nodes, partitions and authorized scheduling policies together. Observed scenario: A BlueField-equipped worker runs a new DOCA package but older host networking modules prevent offload setup.

This alternative is relevant to BCM high availability and management failover but does not directly resolve the current DOCA host networking and RDMA driver stack issue: Configure supported BCM HA peers, synchronized services and planned failover tests with clear recovery boundaries. Observed scenario: A BlueField-equipped worker runs a new DOCA package but older host networking modules prevent offload setup.

That option concerns Compute fabric interface bonding and RDMA prerequisites. High-speed host networking requires matching kernel, firmware, provider libraries and DPU service interfaces.

This tempting but unsafe shortcut is not a sufficient remediation for DOCA host networking and RDMA driver stack: Treat the successful installation of a DOCA package as conclusive proof that every network and offload function works. High-speed host networking requires matching kernel, firmware, provider libraries and DPU service interfaces.

This alternative is relevant to GPU driver modules and DKMS lifecycle but does not directly resolve the current DOCA host networking and RDMA driver stack issue: Inspect module binding, driver versions, dmesg, Secure Boot signatures and a CUDA device-query test. Observed scenario: A BlueField-equipped worker runs a new DOCA package but older host networking modules prevent offload setup.