I don't use node.js, so I am not familiar with it. The name of the function suggests that it does a 'sync' after the write, which is what you want. In Linux, the 'sync' command flushes all the buffers to disk. I would just read the manual on the function to make sure it is doing what you want. --- Graham
== On Tue, Mar 20, 2018 at 12:28 PM, Troy Weber <troywwe...@gmail.com> wrote: > How would you flush the sd card buffers from node.js? To write to the > files I am doing using the *writeFileSync* command. > > > On Monday, March 19, 2018 at 5:55:12 PM UTC-7, Graham wrote: >> >> 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 >>> 707-761-1644 <(707)%20761-1644> >>> sent from mobile >>> >>> On Mon, Mar 19, 2018, 4:42 PM evilwulfie <evilw...@gmail.com> 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/to >>>> pic/beagleboard/MfN646FtxiA/unsubscribe. >>>> To unsubscribe from this group and all its topics, send an email to >>>> beagleboard...@googlegroups.com. >>>> To view this discussion on the web visit https://groups.google.com/d/ms >>>> gid/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. >>> To view this discussion on the web visit https://groups.google.com/d/ms >>> gid/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 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+unsubscr...@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/980149f3-a0a8-4863-a327-3fd4a0e2657a%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/980149f3-a0a8-4863-a327-3fd4a0e2657a%40googlegroups.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/CANN_KV5qK0zke1B88DA2U9dS4PdCeqfZZrV-WGhedZxHJ5x%3Dng%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
