With the release of SharePoint 2013 Service Pack 1, you can now re-calculate site storage metrics on demand. This is done via PowerShell. [crayon-530eaf7c1e907097838089/] This method executes proc_RecalculateStorageMetricsForSite, which can be found in each Content Database. The Content Database must be at the SP1 schema level. Storage metrics can be found on each site by visiting http://siteUrl/_layouts/15/storman.aspx.
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