Hi, Did you configure your usage server properly ? There are some parameters in global setting which you might need to adjust . May be you can check out the following link for a detailed description of configuring your usage server -
http://incubator.apache.org/cloudstack/docs/en-US/Apache_CloudStack/4.0.0-incubating/html/Admin_Guide/configure-usage-server.html Regards, Pranav -----Original Message----- From: sx chen [mailto:cloudchen0...@gmail.com] Sent: Monday, December 24, 2012 6:04 PM To: cloudstack-users@incubator.apache.org Subject: how to config the usage-server when I have two management server. My cloudstack's environment has two management server. I installed usage_server in both management servers and then start both of them. After several hours I found no data in tables cloud_usage.usage%. For example,table usage_volume and table usage_vm_instance are null. My environment is 3.0.2