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metrocluster configuration-settings calibration measure
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Measure latency and bandwith values
Availability: This command is available to cluster administrators at the advanced privilege level.
Description
The metrocluster configuration-settings calibration measure command measures the bandwidth and latency between local and remote nodes in a MetroCluster over IP configuration.
This command should not be run when the MetroCluster configuration is under a heavy load. Bandwidth measurements will attempt to fully saturate network connections to the remote cluster and may disrupt the quality of service.
Examples
The following example shows the output for the calibration measure command in MetroCluster over IP configurations:
clusA::*> metrocluster configuration-settings calibration measure
Warning: This operation will attempt to fully saturate the network connection to
the remote cluster for measuring bandwidth. This may disrupt
performance and should not be run when MetroCluster is under heavy
load. Do you want to continue? {y|n}: y
Measuring latency and bandwidth between node "A1" (10.140.113.214) and node "B1" (10.140.113.26) over port "e0f".
Measuring latency and bandwidth between node "A1" (10.140.113.215) and node "B1" (10.140.113.27) over port "e0g".
Measuring latency and bandwidth between node "A2" (10.140.113.216) and node "B2" (10.140.113.25) over port "e0f".
Measuring latency and bandwidth between node "A2" (10.140.113.217) and node "B2" (10.140.113.28) over port "e0g".
Measurements complete. Use the "metrocluster configuration-settings calibration show" command to display the results.