Grub consol "not seeing hd" partitions

[Grizzly]

19 November 2017  at 4:54, Xen wrote:
Re: Grub consol "not seeing hd" par (at least in part)

>Grizzly via ubuntu-users schreef op 18-11-2017 21:13:
>
>> Any pointers please

>I have never used a recent Mac but you have done all the stuff required
>to set up an EFI partition on the "Live USB" right.

Yes we went thru the whole (long) process, (with the LiveUSB "Not" on it)

>I mean I don't know what to do or how to do it,

Your not alone there, there are so many contridictory instructions out there, 
but the ones we followed worked, and "looked" like they would forefill the main 
request of the Mac owner (not effect the Mac in any way)

>and maybe you sent this message before,

Don't think so

>but the Mac requires some special features on the EFI partition.

Yes it is a royal PITA

>About Grub not seeing harddrives, can't help you with that.

It "sees" harddrive just not the partition(s) 

>I mean it appears you were the one writing about this before,
>but you don't mention whether you have changed Ubuntu version,
>or whether anything else changed other than the Mac filesystem.

Same Ubuntu LTS 16.04.3, seemed the best option (not to mention the last LTS 
with Unity :-<)

Mac file system changed to APFS from HFS+, between starting the research to do 
this and finding a soloution that worked, we did have a unsucessful atempt 
earlier on that required the use of a cloaned copy of the old (HFS+) disk to 
recover