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How to run JFFS2 on top of an UBI volume?

April 26, 2017jffs2 run UBI volume

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How to run JFFS2 on top of an UBI volume?

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Although it may sound weird, UBI can emulate MTD devices for UBI volumes and JFFS2 can be mounted on these emulated MTD devices. Enable the “Emulate MTD devices” UBI configuration menu check-box to make UBI create one MTD device for each UBI volume. One of the reasons to do this might be using of MLC NAND flash (see this section) or legacy software.