Mike, Thanks for the suggestion, this seems like a viable alternative.
On Monday, May 2, 2016 at 3:02:57 PM UTC-4, mjc wrote: > > On 05/02/2016 02:54 PM, Yiannis Papelis wrote: > > Very much agree with you - even though I don't want to use a battery, it > > seems more and more than a battery is a necessity for field use of the > > BBB, which would explain the existing connector. > > In my work, the solution was to use a read-only filesystem with a tmpfs > overlay. I mount the boot and root partitions read-only, and configure > /etc/sysconfig/readonly-root with READONLY=yes and TEMPORARY_STATE=yes. > (This system runs Fedora.) > > Permanent file writes are not frequently needed, but the filesystems can > be temporarily re-mounted as read/write when they are required. > > Also, I use a Swissbit SD card, which is more robust (and expensive) > than normal SD cards, because it contains additional power-down > protection. > > I haven't experienced any filesystem corruption since switching to this > approach. > > I did use supercaps as pseudo-battery-backups for a while - the program > would switch the filesystem to readonly as soon as a powerfail circuit > was tripped - but the readonly+overlay approach is simpler and more > robust in practice. > > - Mike > > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/184788e1-295e-46d0-a5ac-a168a061eeb2%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
