An issue may occur on some Mac systems where after installing the OS X 10.10.3 update, the Finder and other services that report drive space may show an increasing level of available space. This may be accompanied by the Storage tab in the About This Mac window showing your hard drive’s space is being used only for backups.

In general, when this type of oddity appears in the About This Mac window, it suggests your drive’s Spotlight index needs to be rebuilt; however, this issue will likely survive a forced index rebuild. Continue reading ⇒