I used X-Ray to do a performance testing for the Nutanix cluster. After added the target, and I do a Peak Performance Micro benchmark test. All the process has worked well. but when the performance testing is running, there is no I/O performance graph, only display the 3 graphs as cluster CPU usage,cluster network received, and cluster network transmitted. I cannot find the I/O performance information from the graph. I have meet this kind of problem many times. and the x-Ray version is 3.11.
As the beginning test, the timezone is not right and I have ever adjust the time of X-Ray VM.
![](https://uploads-us-west-2.insided.com/nutanix-us/attachment/48e305c6-2ec1-46a5-aa33-5076e6a81bcf.jpg)
Best answer by chenzh4
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