On 2018-01-12 17:54:20 +0100 (+0100), Marcin Juszkiewicz wrote: [...] > UEFI expects GPT and DIB is completely not prepared for it. I made > block-layout-arm64.yaml file and got it used just to see "sorry, > mbr expected" message.
I concur. It looks like the DIB team would welcome work toward GPT support based on the label entry at https://docs.openstack.org/diskimage-builder/latest/user_guide/building_an_image.html#module-partitioning and I find https://bugzilla.redhat.com/show_bug.cgi?id=1488557 suggesting there's probably also interest within Red Hat for it as well. > You have whole Python class to create MBR bit by bit when few > calls to 'sfdisk/gdisk' shell commands do the same. Well, the comments at http://git.openstack.org/cgit/openstack/diskimage-builder/tree/diskimage_builder/block_device/level1/mbr.py?id=5d5fa06#n28 make some attempt at explaining why it doesn't just do that instead (at least as of ~7 months ago?). Per the subsequent discussion in #openstack-dib I don't know whether there is also work underway to solve the identified deficiencies in sfdisk and gparted but those more directly involved in DIB development may have answers when they're around (which they may not be at this point in the weekend). -- Jeremy Stanley
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