the actual content of the image are a 85MB pi2-kernel snap
and a 56MB ubuntu-core snap plus whatever overhead the image creation adds (pre-created writable bits, unpacked gadget, copied kernel and initrd files etc), nearly 300MB sounds actually pretty large for that content.
i wasnt aware conv=sparse can be used when writing SD cards, i'll play with that, thanks !
ogra@anubis:~$ ls -l datengrab/ images/ snappy/ u-image- pi2.img images/ snappy/ u-image- pi2.img images/ snappy/ u-image- pi2.img images/ snappy/ u-image- pi2.img
-rw-r--r-- 1 root root 4000000000 Sep 1 17:30 datengrab/
...
ogra@anubis:~$ du -sh datengrab/
3,8G datengrab/
this image was created using http:// people. canonical. com/~ogra/ snappy/ pi2-model. assertion with http:// people. canonical. com/~ogra/ snappy/ ubuntu- image_0. 5_amd64. snap (snapcraft build from a PR from mvo with some extra fixes to master) ...
the actual content of the image are a 85MB pi2-kernel snap
and a 56MB ubuntu-core snap plus whatever overhead the image creation adds (pre-created writable bits, unpacked gadget, copied kernel and initrd files etc), nearly 300MB sounds actually pretty large for that content.
i wasnt aware conv=sparse can be used when writing SD cards, i'll play with that, thanks !