Introduction

The question is often asked if there is still a use for the Frequency Based Scheduler. Why not simply use the Calendar based scheduler for ‘everything’?

Problems often experienced:

• Backups being skipped
• ‘schedule creeping’ – backups kicking off later than they ‘should’

Frequency – good or bad?

Unknown is unloved.

Once Backup Administrators get to know and understand the frequency based scheduler, it becomes the no. 1 choice for regular backups such as daily and weekly schedules.

Understanding the basic test logic of Frequency based scheduling is key.

The older NetBackup Admin Guides contained an excellent flowchart explaining the process.

Extract from NBU 5.1 Admin Guide II:  http://www.symantec.com/docs/TECH32131

Building the Worklist (Queue)

When the backup window opens for an automatic backup schedule, NetBackup proceeds to determine whether or not to add the client backups for that schedule to the worklist (queue). The following figure shows this process:

Frequency Based Backup Article

Industry expert David Chapa has written an article explaining how to best use Frequency based schedules.  David has kindly shared his article to be published on Connect.

Please find document attached: