Parameters to be monitored on a RAC Database

Question

Hello,
We have 5 , 3 Node RAC 10gR2 Cluster Databases on HP UX. I want to setup a monitoring on the , using the Grid Control.
Can anyone please let me know What are the parameters or thresholds that I should monitor like any locks , queue waits etc..
Thanks

Answer 1

Hi,
It is very difficult to tell someone what you have to monitor and what the thresholds that you will consider porper or not.
In fact, you must know your environment to know what you want to monitor. Each environment has its characteristic in special.
Not an easy job, but Oracle has facilitated this work by providing some resources.
To know what monitor you need to understand the following concepts:
Metric Thresholds
Some metric thresholds come predefined out-of-box. While these values are acceptable for most monitoring conditions, your environment may require that you customize threshold values to more accurately reflect the operational norms of your environment.
Metric Baselines
Metric baselines are statistical characterizations of system performance over well-defined time periods.
Metric Snapshots
A metric snapshot is a named collection of a target's performance metrics that have been collected at a specific point in time.
Adaptive Thresholds
Once metric baselines are defined, they can be used to establish alert thresholds that are statistically significant and adapt to expected variations across time.
Understanding the concept of how the Grid Control monitors a target. Will be easier for you to monitor your environment.
I recommend you read the chapter System Monitoring
http://download.oracle.com/docs/cd/B14099_19/manage.1012/b16241/Monitoring.htm
Regards,
Levi Pereira