does it unmount properly every time on reboot ? On 3/19/2018 3:43 PM, Troy Weber wrote: > I will try that. I read up on *noatime*. > > *noatime* > Do not update inode access times on this filesystem (e.g., for > faster access on the news spool to speed up news servers). This > works for all inode types (directories too), so implies > nodiratime. > > If this works, I'll be curious why. I guess I don't know enough about > inodes just yet to understand why this might be a solution. > > On Monday, March 19, 2018 at 3:05:22 PM UTC-7, RobertCNelson wrote: > > On Mon, Mar 19, 2018 at 4:55 PM, Troy Weber <troyw...@gmail.com > <javascript:>> wrote: > > Hello! > > > > I have an application running on the Beaglebone Black. It runs > from the eMMC > > because we need to mount a blank SD card and occasionally store > data or > > video on the external SD card. Here are some details to jog ideas: > > > > using a Bealgebone black > > connected to a powered hub and running 2 led strips and 1 camera > > made a custom cape/shield that allows us to interface with > > > > an RGB button > > a 16x2 char lcd > > an optically isolated relay module > > > > the relay module runs a solenoid circuit (in which I'm currently > debugging > > the need for a flyback diode) > > the SD card is mounted using /etc/fstab with the line > /dev/mmcblk0p1 > > /media/sd auto auto,nofail,user,dmask=022,fmask=111 0 0 > > SD cards are inexpensive and found here: > > > > https://www.amazon.com/gp/product/B00WUCNGVQ/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 > > <https://www.amazon.com/gp/product/B00WUCNGVQ/ref=oh_aui_search_detailpage?ie=UTF8&psc=1> > > > > > My application is writing files to the SD card only on certain > occasions > > during which the Beaglebone will not be hard-rebooted. However, > it will be > > hard-rebooted (and the application started by systemd on next > boot) as a > > means of shutting it down. > > > > The problem is that I've recently began to discover issues with > the blank SD > > card on next boot after a hard reboot. For a short time I can > touch and > > write vim files on the card just fine. Once I start up the > node.js program, > > part way through it complains about the SD card being read-only. > From then > > on I cannot touch or vim files anymore. So I reformat the card > and copy the > > configuration files back on. I've noticed that one of my > configuration files > > is chopped short. > > > > Here are some things I've tried and intend to try: > > > > have tried > > > > removing the power to the hub which seemed to be back-powering > the BBB > > (still fails on reboot) > > stopping the program that writes files entirely (still fails on > reboot) > > > > intend to try > > > > writing the configuration files elsewhere (on the eMMC for example) > > better SD cards > > > > In the meantime, any ideas? > > check the actual mount options, and if not enabled add "noatime".. > > Regards, > > -- > Robert Nelson > https://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 > <mailto:beagleboard+unsubscr...@googlegroups.com>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/1df4730c-c024-4e1f-b0c1-2fbdf83ac714%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/1df4730c-c024-4e1f-b0c1-2fbdf83ac714%40googlegroups.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout.
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