Date: Sat, 21 Jan 2017 16:43:12 -0800 From: Jordan Hubbard <jordanhubbard@icloud.com> To: Karl Denninger <karl@denninger.net> Cc: freebsd-arm@freebsd.org Subject: Re: how to measure microsd wear Message-ID: <8C5C59C9-9AF3-4596-9B36-A792EDE05768@icloud.com> In-Reply-To: <7bb4a12d-9b5a-2a81-1ce4-5290e2639a9b@denninger.net> References: <16821b7c-e300-97fc-36e5-a508b22c21b8@zyxst.net> <1485021485.34897.185.camel@freebsd.org> <1d757b3b-67d2-b29b-ba01-89b462b0019f@denninger.net> <1485025911.34897.199.camel@freebsd.org> <7bb4a12d-9b5a-2a81-1ce4-5290e2639a9b@denninger.net>
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> On Jan 21, 2017, at 3:40 PM, Karl Denninger <karl@denninger.net> wrote: > [ SD cards can fail ] I have to second the assertion that even the comparatively pricy SanDisk Ultra SD cards can fail in production scenarios all the time, nor do they even need to be used in a more advanced filesystem role. I go through a lot of those cards just using them to shoot a lot of GoPro footage (video and still photos) and I usually get a few weeks out of each card, filling it almost entirely with footage several times a day, before it write locks and is ready for the bin. This is why I also shoot a lot of redundant footage with multiple GoPros, and anyone using these cards extensively for digital photograph or video will tell you the same. - Jordan
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