1. A method comprises: monitoring a reprovisioned memory device that has been reprovisioned from a legacy storage protocol to an error coding dispersed storage protocol; when a usable memory life of the reprovisioned memory device in the error coding dispersed storage protocol has expired: determining a data migration scheme for migrating a plurality of encoded data slices stored on the reprovisioned memory device; and migrating the plurality of encoded data slices from the reprovisioned memory device to one or more other memory devices in accordance with the data migration scheme.