Comment 15 for bug 1800153

On Wed, Oct 31, 2018 at 9:20 AM Scott Moser <email address hidden> wrote:
>
> With regard to wiping all prep partitions...
> We do have code that does this in helpers/pt_prep. Ie, the non-storage config path does this.
> However, this is kind of a grey line here. If maas wants a partition wiped, then MAAS should send config that says it should be wiped.
>
> If we bake in behavior to curtin of "Wipe all created (or existing?) PReP partitions", then
> a.) that differs in behavior from all other partition types, causing inconsistency
> b.) What happens at some later point when we for some reason need to *not* wipe those (dual boot or some other path). Curtin is then left in this unfortunate position of figuring out what MAAS wanted.
>
> Why can't we have MAAS wipe this partition?

MAAS is sending wipe: zero for the prep partition, which is exactly
what we want.

I think you're right that we want MAAS to keep doing this and have
curtin just follow the config.

>
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> https://bugs.launchpad.net/bugs/1800153
>
> Title:
> [2.5] Failed to deploy ppc64el when partition table is GPT
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