Hi David,
> Instead of using the overlay filesystem du jour, perhaps it makes more
> sense to simply put the tarball itself, raw, on the loop device
> immediately after the end of the squashfs?
I suppose the limiting factor for the maximum backup size would be the amount
of available RAM then? Be
We were playing on IRC with a way to write the backup file directly out
alongside the root file system for block devices, similar to the way
that it happens with 'mtd write -j sysupgrade.tgz'.
A lot of devices currently put it in a FAT "recovery" partition but
it's not clear that will always be bi