Setting the duration and level for log files
The amount of information logged and how long it is retained is controlled by the following NetBackup configuration parameters:
The length of time NetBackup retains debug logs. This setting affects all debug log files that NetBackup generates, not only the Vault debug logs.
Vault logging level. Cohesity recommends that you use a debug level of 5 when you generate logs that you send to Cohesity for troubleshooting purposes. You can set the debug level to 5 for all Vault sessions or you can use the -verbose option on the vltrun command in the Vault policy that initiates the Vault job.
For more information on logging properties for Vault management, see NetBackup Web UI Administrator's Guide, Managing host properties section.