1. A method for managing old physical addresses in a solid state memory device comprising: tracking in a read status table pending reads from the solid state memory device and tracking in the read status table physical addresses within the solid state memory device associated with the pending reads; assigning a first logical address to a particular physical address within the solid state memory device; delaying a release of the particular physical address for reassignment to a second logical address when the read status table indicates that there is a pending read from the particular physical address; and releasing the particular physical address for reassignment to the second logical address when the read status table indicates that there is no pending reads from the particular physical address.