On 12/13/18 12:09 PM, Fred Gleason wrote: > On Dec 13, 2018, at 11:54, Stephan Guilloux > <stephan.guilloux at crisalid.com <mailto:stephan.guilloux at crisalid.com>> > wrote: > >> Stress test still running on reputable brand with no PB, after 6 or 7h. >> >> During this stressing session, we found a few broken SD, from another >> reputable brand. >> Not all cards, though, but enough to put some confusion... ;-) > > Well, remember, we are dealing with flash RAM here. After enough > write/erase cycles, it *will* wear out. The goal is to optimize the > overall system to get maximum lifetime out of the media. For example, > on our production setups we do things like putting ‘/var/log’ on tmpfs > (it doesn’t matter for the particular application that the log data > evaporates after reboots). That greatly reduces wear on the media, > while still allowing log data to be accessed during a session for > debug purposes. All too often I am looking at contents of /var/log after a system restart to figure out what went wrong. So that is yet another reason I am sticking with SOCs that have good sata support. So I can run rootfs there... -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/arm-dev/attachments/20181213/d5690e88/attachment-0006.html>