Cray System Management Documentation > Cray System Management (CSM) Administration Guide > network > Management Network User Guide > Mellanox Installation and Configuration Guide > Check HSM

Check HSM

Hardware State Manager has two important parts:

System Layout Service (SLS): This is the “expected” state of the system (as populated by networks.yaml and other sources).
State Manager Daemon (SMD): This is the “discovered” or active state of the system during runtime.

Prerequisites

The API calls on this page require an authorization token to be set in the TOKEN variable. See Retrieve an Authentication Token.
The cray CLI commands on this page require the Cray command line interface to be configured. See Configure the Cray CLI.

SLS

(ncn#) API call

curl  -H "Authorization: Bearer ${TOKEN}" https://api-gw-service-nmn.local/apis/sls/v1/hardware | jq

(ncn#) CLI command
```
cray sls hardware list --format json
```

In either case, the output from SLS should consist of a list of objects that look like the following:

  {
    "Parent": "x1000c7s1b0",
    "Xname": "x1000c7s1b0n0",
    "Type": "comptype_node",
    "Class": "Mountain",
    "TypeString": "Node",
    "ExtraProperties": {
      "Aliases": [
        "nid001228"
      ],
      "NID": 1228,
      "Role": "Compute"
    }
  }

SMD

(ncn#) API call

curl -s -k -H "Authorization: Bearer ${TOKEN}" https://api-gw-service-nmn.local/apis/smd/hsm/v2/Inventory/EthernetInterfaces | jq

(ncn#) CLI command

cray hsm inventory ethernetInterfaces list --format json

In either case, the output from SMD should consist of a list of objects that look like the following:

  {
    "ID": "0040a6838b0e",
    "Description": "",
    "MACAddress": "0040a6838b0e",
    "IPAddresses": [
      {
        "IPAddress": "10.100.1.147",
        "Network": "HMN"
      }
    ],
    "LastUpdate": "2020-07-24T23:44:24.578476Z",
    "ComponentID": "x1000c7s1b0n0",
    "Type": "Node"
  }

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