On Fri, Apr 06, 2018 at 11:25:22AM +0200, Kristian Amlie wrote: > Hey, I work for Northern.tech, developing update software for embedded > Linux devices. > > I have a question about GRUB's environment block: This block is not
I am not sure what exactly you mean by "GRUB's environment block". Could you send me some references to the code? > checksummed, and hence I reckon it can become corrupt if power is lost > in the middle of a write. What about the other blocks? > This is an important safety criterion for us, so we've been thinking of > developing environment block checksumming as an extension to the > existing save_env and load_env commands. The most likely approach will > be to grab X amount of bytes at the end of the block and use these for > the checksum. Could you tell us more about that? > This would also allow us to fall back to an earlier environment file if > the current one is corrupt, hence implementing redundancy. > > Is this something that the GRUB project would be interested in? We want > to upstream this if possible, since we think many people may benefit > from this. Great! However, first of all we need some more info about that. Daniel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
