The IP.com Prior Art Database
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Energy Usage Reduction of an Extendable Partition Array after an Extension Event by Optimizing the Partition to Reclaim and Power Off Added Drives
When an array extension event is detected it is autonomically evaluated to determine whether it is an insignificant portion of the new extension. If the event meets this criteria then the original array is evaluated to see if optimizing the original array without the extension could allow the partition to be collapsed back to the original array and the extension decommissioned from the power footprint. The evaluation of the original array will determine whether using mechanisms such as disk compression, defragmentation, or backup would allow the new data that caused the partition extension and new power requirements to be fit on the original array allowing decommission of the extension and reduction in the power footprint.
The process could be performed autonomically:
1) Detection of array extension and increase in power footprint due to partition extension event.
2) Evaluation of extension usage for potential optimization of original array.
3) Evaluation of original array to determine if any applicable disk optimization such as compression, defragmentation, backup, etc. could be used to regain enough storage to decommission the extension.
4) Trigger the optimization(s).
5) Decommission the array extension to reduce the power footprint.