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Using LVM to reduce dual rootfs footprint

In this post we're going to explore using LVM to reduce the space needed by a dual rootfs setup. In a typical dual rootfs setup, the device needs to have two times the space needed by the rootfs partition, in order to have an inactive partition to stream a new update into. But in a typical patch update, not that much will have changed from what's already on the active partition. Perhaps a few libr...

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