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How is the autogrow/autoshrink increment calculated by ONTAP

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ontap-9
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Applies to

ONTAP 9

Answer

For the auto-grow/auto-shrink feature on a volume, the actual amount for which a given volume is grown/shrank is determined internally by ONTAP based upon the size of the volume, the respective grow/shrink thresholds, and the dynamics of the volume with respect to how much it has grown/shrank over an interval of time preceding crossing the grow/shrink threshold.   As such it will not be the same every time for any given volume.

The actual details of how this is calculated is NetApp proprietary information.

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