As a matter of buffer hygiene, are you flushing the buffers to the sd card after every time you write to it? Something like the equivalent of the 'sync' command? If there is still unwritten info in the buffers when the power gets pulled, bye-bye data.
In Linux, when the mounted drive is suddenly declared "read-only" it means that the OS has observed some corruption or error in the file system, and does so to prevent further corruption. --- Graham == On Monday, March 19, 2018 at 6:59:29 PM UTC-5, Wulf Man wrote: > > I dont know if its for sale there was a battery cape > or you can go with custom hardware > > > On 3/19/2018 4:56 PM, Troy Weber wrote: > > Well we need to be able to pull the plug without damaging things. Is the > best option then to have a battery system that allows BBB to listen for > loss of power and gracefully shut down? Are there alternative methods? > > Troy Weber > Mechatronics / Software Developer > troyw...@gmail.com <javascript:> > 707-761-1644 > sent from mobile > > On Mon, Mar 19, 2018, 4:42 PM evilwulfie <evilw...@gmail.com <javascript:>> > wrote: > >> Well yes if you fail to unmount a file system you can have issues. >> On my systems i designed a battery backup system to prevent just the >> issues you >> are seeing now. >> It does not happen all the time but one time is unacceptable. >> >> Beaglebone is a live filesystem and you cant just pull the plug. >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "BeagleBoard" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/beagleboard/MfN646FtxiA/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> beagleboard...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beagleboard/9e31b553-0c83-640b-99ab-b1b3f2c993ce%40gmail.com >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- > 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...@googlegroups.com <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/CAPMxd4SkyyydxiQgzeKQY%3DKoryWZ792Wuxv2%2BvW2Cgv-KjbwsQ%40mail.gmail.com > > <https://groups.google.com/d/msgid/beagleboard/CAPMxd4SkyyydxiQgzeKQY%3DKoryWZ792Wuxv2%2BvW2Cgv-KjbwsQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/a08143d4-f0b3-43c2-b497-421a2bdd93bb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
