On Fri, Jan 23, 2015 at 9:31 AM, toni incog <toni.in...@gmail.com> wrote: > Sure, let's say just your latest greatest debian kernel 3.14 running > headless doing nothing only being great?
Still missing the point.. So in that case, you have ext4, and / mounted rw with noatime.. Let's say it's idle: It'll survive a few power yanks and fsck.ext4 will fix it up most of the time.. I'd say about a week before you'll have to reflash the eMMC to due file system corruption... > Any experiences with broken eMMCs? How important is using a backup battery > in a daily unclean power down situation. What's your feeling: days, weeks, > months, years, decades? Really anything > then a week of unclean power down's, start looking at "read only root"* and other file systems. * We have a beagleboard-xm running on the roof of this building as a webcam taking pictures all day, it's been running (off/on) for over 3 years on the same microSD card running Debian Squeeze, on a read only rootfs.. It's powered by a solar array, so power is variable all day long.. https://wiki.debian.org/ReadonlyRoot > > Hmmm, I guess I've some work to do in shutting down some bbb's properly > otherwise I can answer my own question. Thinking aloud a battery and > bringing the power button external. Regards, -- Robert Nelson http://www.rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.