Which command lists the nodes on the fabric?
Why B is the answer
ibnodes
ibnodes lists the fabric's nodes.
In detail
- ibnodes lists the fabric's nodes.
- Compare it with the plan.
Use case
An illustrative scenario, not a real incident.
An engineer lists the fabric's nodes with ibnodes.
See it in different ways
flowchart TD
A{"What do you want to know?"} -->|"Local port state"| B["ibstat"]
A -->|"Which nodes exist"| C["ibnodes"]
A -->|"Link details"| D["iblinkinfo"]
A -->|"Fabric errors"| E["ibdiagnet"]
A -->|"RDMA speed"| F["ib_write_bw and ib_write_lat"]stateDiagram-v2 [*] --> LocalPort: ibstat LocalPort --> Fabric: ibnodes and iblinkinfo Fabric --> Errors: ibdiagnet Errors --> Path: ibping Path --> Speed: ib_write_bw and ib_write_lat Speed --> [*]
mindmap
root(("Fabric commands"))
n1["Local port"]
n2["ibstat"]
n3["All nodes"]
n4["ibnodes"]
n5["All links"]
n6["iblinkinfo"]Key point: ibnodes lists nodes.
Why the other options are wrong
- A. sinfo
- That shows Slurm nodes.
- C. ibstat
- That shows a local port.
- D. cmsh
- That manages BCM.