Calculating reclaimable space for Snapshot copies
You can calculate the amount of disk space that can be reclaimed if one or more Snapshot copies are deleted.
What you'll need
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You must have the Operator, Application Administrator, or Storage Administrator role.
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The volume must be online.
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The volume must be a FlexVol volume; this capability is not supported with FlexGroup volumes.
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In the left navigation pane, click Storage > Volumes.
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In the Health: All Volumes view, select the volume that contains the Snapshot copies you want to view.
The list of Snapshot copies is displayed.
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In the Volume / Health details page, click the Capacity tab.
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In Details pane of the Capacity tab, in the Other Details section, click the link next to Snapshot Copies.
The number of Snapshot copies is a link that displays the list of Snapshot copies.
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In the Snapshot Copies view, select the Snapshot copies for which you want to calculate the reclaimable space.
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Click Calculate.
The reclaimable space (in percentage, and KB, MB, GB, and so on) on the volume is displayed.
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To recalculate the reclaimable space, select the required Snapshot copies and click Recalculate.