On Nov 14, 2016, at 11:38 AM, Steve Langasek wrote: >It is an explicit element of the ubuntu-image design that a gadget snap >should be able to emit multiple images for a given model, so that these can >be written out separately across e.g. an SD card and a NAND device. However, >the current implementation only allows for an image containing a partition >table, and filesystems within that. > >Barry, Gustavo, do we need to extend gadget.yaml semantics here to support >some sort of 'schema: raw' for a volume, for the NAND case?
There are really two issues here. One is an implementation problem in that ubuntu-image currently only supports a single volume (a.k.a. image) entry per gadget.yaml. LP: #1641727 tracks this. Second, as you point out, the gadget.yaml specification only defines a partitioning schema of mbr or gpt, so yes, the spec would need to add support for something like a 'raw' schema. I don't believe we have a tracking bug (either in u-i or snappy) for this. Cheers, -Barry
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