When we add ADC into ADM,  the page of adding ADC to ADM may stuck at "Trying to connect XXX". If we open a new page to check ,we may notice that ADC is added to ADM , but the hostname is not displayed. 

And we may found the mas_inventory process is not running as no output is displayed for the following command. 

bash-3.2# ps aux | grep inventory

The issue can be solved after rebooting ADM

Problem Cause

Inventory process was stopped , so the request to get hostname was not sent out by ADM to ADC.

In a normal environment, we will see "./mas_inventory CONTROL_IPC_SOCK=/tmp/mps/ipc_sockets/mps_control_sock" in the result of ps command, as below.  If it is not listed , we will see this issue. 

bash-3.2# ps aux | grep inventory
nobody       2855   0.0  0.8  452092  270400  -  I     4Jan24     508:24.76 ./mas_inventory CONTROL_IPC_SOCK=/tmp/mps/ipc_sockets/mps_control_sock