3.2.2 Effects when PFM - Manager stops
When PFM - Manager stops, this affects the entire Performance Management system.
PFM - Manager centrally manages the agent information of the PFM - RM for Virtual Machine instances that are running at individual nodes. PFM - Manager also controls alarm event notification when PFM - RM for Virtual Machine exceeds a threshold during performance monitoring, and it controls the execution of actions that are triggered by alarms. Consequently, if PFM - Manager stops, the entire Performance Management system is affected as described in the following table.
Program name |
Effects |
Corrective action |
---|---|---|
PFM - RM for Virtual Machine |
If PFM - Manager stops while PFM - RM for Virtual Machine is active, the following actions take place:
|
Start PFM - Manager. The PFM - RM for Virtual Machine instances that are running can be operated as is. However, alarms might not be reported as expected in some cases. Therefore, after PFM - Manager is restored, check the KAVE00024-I message, which is output to the common message log. |
Before you decide on the corrective action to take, consider the effects that stoppage of PFM - Manager has. Also note that, in addition to trouble-induced stoppages, there are times that you need to stop PFM - Manager to change a configuration or perform maintenance tasks. Therefore, we recommend that you perform maintenance at a time when there will be little impact on system operations.