Date: Tue, 24 Mar 2015 16:44:23 -0800 From: Dieter BSD <dieterbsd@gmail.com> To: freebsd-fs@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: Zoned Commands ZBC/ZAC, Shingled SMR drives, ZFS Message-ID: <CAA3ZYrDWOsG7ibxNmn6icvgNVNjXHdt-ct56jMBtdTBFfqU-=w@mail.gmail.com>
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>> You can also find these drives inside the STDT8000100 external >> USB unit for a bit more at $300. It may or may not be the same. There are stories that it is difficult or impossible to talk directly to the drives in recent USB units without the usb-to-sata bridge. I have yet to find a usb-to-sata bridge that doesn't have problems. > Is the price predicted to go down further in the future? Disk prices were going down nicely until the great flood. Prices took over a year to return to pre-flood levels, and have been dropping *very* slowly since. The M&A activity reduced competition, which doesn't help. Governments can't be bothered to prohibit anticompetitive M&A activity. Increases in capacity per drive have slowed, perhaps due to the same reduction in competition. 3TB drives have been the best value in TB/$ for nearly 4 years. I bought some 3TB drives last month for $84.99 each (with free shipping). At the same TB/$ an 8TB drive should cost $226.64, and a 10TB drive should cost $283.30. The penguins added a new device manipulation library to support ZBC/ZAC. There might be things to learn there (mistakes to avoid?). http://www.zdnet.com/article/hgst-gets-closer-to-shipping-10tb-hdd/
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