OpenView Network Node Manager: Designing and Implementing an Enterprise Solution

Determining Performance Data Retention Intervals

The snmpCollect daemon will happily save SNMP historical data into its database until the hard drive capacity reaches zero. Unpredictable things happen to mission-critical systems when their disks fill up, so it’s necessary that you address how long you want online SNMP data to be available.

If you want to support users performing ad-hoc SNMP data collections, then you need to provide the necessary disk space for them. The user is entrusted to behave responsibly. The golden rules of ad-hoc data collection are:

• massive data collections are generally inappropriate

• very long term data collections should be modest

• delete the data collection when the study is over

• limit rapid polling studies to the session ...