Where are partitions defined when using OpenSM?
Why A is the answer
In the partitions configuration
The SM distributes partition membership.
In detail
- The SM distributes partition membership.
- The SM distributes membership.
Use case
An illustrative scenario, not a real incident.
An admin defines partitions in the OpenSM partitions configuration.
See it in different ways
flowchart TD A["Fabric"] --> B["PKey for tenant A"] A --> C["PKey for tenant B"] B --> D["Hosts of A only"] C --> E["Hosts of B only"]
mindmap
root((Multi-tenancy))
Ethernet
BGP-EVPN
VXLAN overlay
InfiniBand
Partition keys
Membership typeflowchart LR S0["Edit configuration"] --> S1["SM distributes"] --> S2["Hosts join"]
Key point: OpenSM holds the partition definitions.
Why the other options are wrong
- B. In each GPU's firmware
- GPUs hold no partitions.
- C. In the Docker daemon file
- Docker is unrelated.
- D. In the NGC API key stored on the host
- NGC is unrelated.