To provide the most acceptable recall performance, you must minimize the tape location and the load delays. You will probably keep a large portion of your archived data within the tape automation. This uses a large amount of capacity. When establishing a move policy, you should consider the following:
For example, you might access a monthly report until that the next month's report is created. You might have other information that you need to keep available at all times yet access only occasionally. Your move policy will be based on the needs of your business. If you adjust the movement delay periods, this changes the population levels of the media library.