After the network subhealth check function is enabled, the system automatically detects subhealthy links on the network.
Procedure
- Choose Cluster > Network > Diagnosis > Subhealthy Links.
- Displays information about subhealthy links on the system network. Table 1 describes the parameters.
Table 1 Subhealthy link parameters Parameter
Description
Source Node IP Address
Management IP address of a source node.
Source Link IP Address/LID
IP address of a source link or LID.
Target Node IP Address
Management IP address of a target node.
Target Link IP Address/LID
IP address of a target link or LID.
Avg. Latency
Average delay of a link. Unit: ms.
Avg. Packet Loss Rate
Average packet loss rate of a link. Unit: %.
First-Hop Latency
Latency from a storage node to a switch. Unit: ms.
NOTE:- This parameter is displayed only after First-Hop Diagnosis is enabled. For details about how to enable this function, refer to Configuring Parameters.
- Diagnose the storage network plane. The specific value is displayed only when the storage network uses the RoCE protocol and multiple IP addresses and the MLNX NICs are used. Otherwise, -- is displayed.
First-Hop Packet Loss Rate
Packet loss rate from a storage node to a switch. Unit: %.
NOTE:- This parameter is displayed only after First-Hop Diagnosis is enabled. For details about how to enable this function, refer to Configuring Parameters.
- Diagnose the storage network plane. The specific value is displayed only when the storage network uses the RoCE protocol and multiple IP addresses and the MLNX NICs are used. Otherwise, -- is displayed.
After the subhealth detection function is enabled, the system starts real-time subhealthy link detection. The system stops the detection after the subhealth detection function is disabled.