CPU/Memory usage of some servers shows blank in XenCenter

• Modify the time synchronization on the servers in the pool.
• Ensure that all hosts in the pool have the same time.

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Problem Cause

This happens if the time on the servers in the pool are not synchronized to each other.

Synchronize the time on all hosts in the pool by pointing each host to the same set of synchronized NTP servers.  You can configure all your hosts to point to a single NTP server. However, ideally the XenServer hosts point at multiple synchronized NTP servers.

To check the time you can either use date command or you can view the time of the Server in xsconsole ( on the top )

This Article will help you to resolve an issue where XenCenter will report blank values for CPU and memory usage of some servers in the pool.