Sysupgrade through different fs

Installing and Using OpenWrt
1

Hi all,
Is it possible to flash a squashfs image over an ext4 one through sysupgrade -n?
I read about succesful attempts from squashfs to ext4, not the opposite.

Thanks

2

Save config backup, you will have to manually remove config/fstab from it, then restore on clean other filesystem and re-type fstab content minus rootfs.

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3

Sure, should work fine. I've done it on x86 and I'm assuming you must have a similar-ish system since it's already ext4?

The sysupgrade will just wipe the partition table as usual and then write a new one based on the partition types in the image file.

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4

I thank you both @efahl and @brada4.
It worked.
I crashed myself into another issue, but i'll open a new topic.

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