Re: driver type raw-xz supports discard=unmap?

[Chris Murphy]

On Mon, Jul 25, 2022, at 9:53 AM, Daniel P. Berrangé wrote:
> On Mon, Jul 25, 2022 at 08:51:42AM -0400, Chris Murphy wrote:

>> Huh, interesting. I have no idea then. I just happened to notice it in the 
>> (libvirt) XML config that's used by oz.
>> https://kojipkgs.fedoraproject.org//packages/Fedora-Workstation/Rawhide/20220721.n.0/images/libvirt-raw-xz-aarch64.xml
>
> I don't see 'raw-xz' mentioned anywhere in the Oz code at
>
>   https://github.com/clalancette/oz
>
> was it a fork that's being used ?

Must be. I'm not seeing it in either oz or imagefactory source either.

>> I've got no idea what happens if an invalid type is specified in
>> the config. The VM's are definitely running despite this. I'll ask
>> oz devs.
>
> This is pretty surprising if they're actually running as it should
> cause a fatal error message
>
> error: unsupported configuration: unknown driver format value 'raw-xz'

Yep, I'm lost. I guess it's down a rabbit hole or yak shaving time.

-- 
Chris Murphy