Referring still to FIG. 8, the lower storage tier(s) 806 preferably includes one or more lower performing storage media 808, including sequential access media such as magnetic tape in tape drives and/or optical media, slower accessing HDDs, slower accessing SSDs, etc., and/or others noted herein or known in the art. One or more additional storage tiers 816 may include any combination of storage memory media as desired by a designer of the system 800. Thus the one or more additional storage tiers 816 may, in some embodiments, include a SSD system architecture similar or the same as those illustrated in FIGS. 1-2. Also, any of the higher storage tiers 802 and/or the lower storage tiers 806 may include any combination of storage devices and/or storage media.