Placement instructions determine where, when, and how object data is stored. An ILM rule can include one or more placement instructions. Each placement instruction applies to a single period of time.
The example shows the Define Placements page of the Create ILM Rule wizard.
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The first placement instruction has two lines for the first year:
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The second placement instruction creates two archived copies after one year and keeps those copies forever. |
When you define the set of placement instructions for a rule, you must ensure that at least one placement instruction begins at day 0, that there are no gaps between the time periods you have defined, and that the final placement instruction continues either forever or until you no longer require any object copies.
As each time period in the rule expires, the content placement instructions for the next time period are applied. New object copies are created and any unneeded copies are deleted.