[Buildroot] Read only rootfs with writable (aufs) overlay
Peter Korsgaard
peter at korsgaard.com
Mon Feb 19 21:46:28 UTC 2018
>>>>> "Alex" == Alex Hildebrand <alexander.hildebrand at googlemail.com> writes:
> Hi there,
> Does anyone of you have experience with a rootfs with a writable (aufs) overlay?
> I managed to compile aufs and mount a folder combining the read only
> rootfs with a read write data overlay. How to switch the rootfs to
> this mount point? Tried to move the mount point to this folder in the
> inittab, but this fails with "Too many levels of symbolic links"
I don't have any specific experience with aufs (any specific reasons to
not use the in-kernel overlayfs instead), but you would normally need to
setup the overlay in an initramfs and then switch_root to it before
executing init.
--
Bye, Peter Korsgaard
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