Hi Janina,

It's not an apple issue it's a windows issue and has been around for years.

 Windows only allows for up to 4 partitions on a drive.try it and see what 
happens.
I will say this could have changed in the latest release of windows 10 but it 
isn't likely.


-----Original Message-----
From: 'Janina Sajka' via MacVisionaries 
[mailto:macvisionaries@googlegroups.com] 
Sent: Friday, 15 December 2017 8:11 AM
To: macvisionaries@googlegroups.com
Subject: Re: podcast on installing windows with bootcamp accessibly

Simon:

I'm not convinced you're correct about the partitioning limitations for 
Bootcamp, though I suspect you may be correct for previous iterations of os x 
and Windows. Apple was an early adopter of EFI and gpt, whereas Microsoft has 
only recently joined the party leaving mbr behind.

I'm further hesitant because the man page for diskutil appears a bit lax with 
its nomenclature, i.e. I'm still looking for clear definitions of what's a 
disk, what's a partition, what's a container, and what's a volume. The term 
'disk' is for sure not being used consistently in the man page or the output of 
the diskutil tool, e.g. I have one disk on this Airbook, a 500Gb SSD disk. Yet 
the command output I reproduce below talks about "synthesized disks" as well as 
targets with identifiers like disk1, disk2, disk3, and disk4. Not very helpful, 
imo.

Note, please, I'm talking about the command line program disutil, not the 
graphical Disk Utility tool in the Utilities folder. The cli tool provides 
features not available in the gui app, but you have to be very precise in your 
syntax--which is why nomenclature becomes so very important.

On my last attempt to install Windows using Bootcamp, there was but one 
partition showing in the graphical Disk Utility tool, the main Mac agpfs drive. 
I had successfully reduced it to 224Gb, and left the remainder of the SSD 
unpartitioned and unformatted. I did this intentionally. I wanted to see 
whether I could trick Bootcamp into installing itself at the end of partitioned 
space, or whether it would insist at trying to install at the very end of 
available physical space. It turned out to be the latter. The below output 
demonstrates it attempted to create a Bootcamp partition at the end of physical 
space, and then failed because it isn't programmed to cope with unformatted 
physical space, i.e. it needs either apfs or hfs, I suppose.

My next attempt will present Bootcamp with two partitions using all available 
space on the SSD. I'll go ahead and make thos apfs before I run Bootcamp, as 
it's clearly able to work with apfs from my previous experience.

Here's the current status of my SSD according to disktool:

/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         224.0 GB   disk0s2

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +224.0 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Macintosh HD            60.4 GB    disk1s1
   2:                APFS Volume Preboot                 17.9 MB    disk1s2
   3:                APFS Volume Recovery                520.8 MB   disk1s3
   4:                APFS Volume VM                      1.1 GB     disk1s4

/dev/disk3 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            CCCOMA_X64FRE_EN-US... +4.7 GB     disk3

/dev/disk4 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            Boot Camp              +2.8 GB     disk4



Simon Fogarty writes:
> Hi Folks,
> 
> Just remember one big issue with multiple installations on a mac HD 
> Mac os x and then adding windows to a boot camp partition This is half 
> of whatyou'll get away with on a device like this Windows will only 
> allow you to have 4 partitions before it gets problematic Those four 
> partitions include the MacOS and windows partitions And I haven't yet 
> seen bootcamp allow you to use  it twice in setting up systems 
> -----Original Message-----
> From: 'Janina Sajka' via MacVisionaries 
> [mailto:macvisionaries@googlegroups.com]
> Sent: Thursday, 14 December 2017 4:55 AM
> To: macvisionaries@googlegroups.com
> Subject: Re: podcast on installing windows with bootcamp accessibly
> 
> I've learned a lot more since last posting on this thread.
> 
> First, in response to Anders, I have been seriously considering a three OS 
> boot environment on my Airbook, OS x; Windows 10; And Linux. There is a boot 
> manager that would accomodate that called rEFInd. I have not gone beyond the 
> exploratory stage with this approach, because I've now abandoned it.
> 
> The reason I've abandoned it is that Windows 10 developer tools provide a 
> very sophisticated Linux environment in the Windows Terminal. In fact one 
> will soon be able to choose one's preferred Linux distribution, or even to 
> have multiple installed Linux distributions, all available for use in the 
> Windows Terminal with screen readers like NVDA or JAWS.
> Here's the Microsoft announcement:
> 
> https://blogs.msdn.microsoft.com/commandline/2017/05/11/new-distros-co
> ming-t
> 
> So, this convinced me that all I needed was a functional Bootcamp 
> installation. Well, almost all. I still need a way to share files between the 
> two boot environments.
> 
> My current solution to sharing is to split my Macintosh drive in three.
> Bootcamp will take care of the second partition for Windows. I'm creating the 
> third one, probably as JHFS, because I believe Bootcamp supports accessing 
> JHFS, whereas APFS is not yet supported.
> 
> Am I wrong about APFS? Anyone know for sure? I'd rather use APFS, frankly.
> 
> This is where I am at the moment, playing with diskutil in an ssh session to 
> the terminal on my Airbook in order to repartition my SSD to taste.
> 
> 
> I've had quite a few false starts, but I'm learning as I go and I am getting 
> there. I expect I'll have a working Botcamp later today.
> 
> 
> Lastly, seems Apple has done something about my earlier complaint. Seems the 
> only reason I have to burn Windows to a USB stick is that my Airbook is too 
> old to support mounting the Windows ISO file for a Bootcamp install. I ran 
> across a Bootcamp page explaining what hardware can, and can't do that. 
> However, once I answered that question, I had no further need for the page, 
> so I didn't bookmark it. Sorry!
> 
> Janina
> 
> 
> 
> 
> Anders Holmberg writes:
> > Hi!
> > I wonder if its more easy to install Linux in a bootcamp partition such as 
> > Debian onto the mac.
> > Has anyone here tried to have both Osx and linux installed so that you can 
> > boot into linux and then shutdown linux and boot back into Hi Sierra for 
> > example.
> > /A
> > 
> > > 8 dec. 2017 kl. 07:16 skrev Simon Fogarty <si...@blinky-net.com>:
> > > 
> > > HiJanina,
> > > 
> > > I don't think so as the installation of windows is actually to a 
> > > new partition which eventually becomes NTFS but starts the process 
> > > as the AFS, then after the partitioning in bootcamp is a GPT 
> > > format, this I don't see as an issue as the ISO file contains the 
> > > required installation files and apple can read from the ISO
> > > 
> > > But yes I do see what you mean, putting things on to a flash drive 
> > > will let the windows installation work directly from that USB 
> > > rather than through the middle man AFS
> > > 
> > > In all honesty the windows installation files can be found in one 
> > > rather simple smallish file
> > > 
> > > -----Original Message-----
> > > From: 'Janina Sajka' via MacVisionaries 
> > > [mailto:macvisionaries@googlegroups.com]
> > > Sent: Friday, 8 December 2017 2:22 PM
> > > To: macvisionaries@googlegroups.com
> > > Subject: Re: podcast on installing windows with bootcamp 
> > > accessibly
> > > 
> > > I guess as I think about this a bit more, I think I understand the issue 
> > > is access to the file system housing the iso image. I suppose Microsoft 
> > > and Apple haven't decided to give Windows mounting access to afs.
> > > 
> > > 
> > > I understand about Windows drivers to run Windows on Apple hardware.
> > > That makes tons of sense. But, why not incloud the ability to mount afs 
> > > in the bundle and install Windows directly from the iso image that's 
> > > required in the Mac partition in the first place? That's the quaintness 
> > > behind this lament!
> > > 
> > > Janina
> > > 
> > > Simon Fogarty writes:
> > >> Hi Janina
> > >> 
> > >> Well in simple terms it's called drivers!
> > >> 
> > >> Windows by default doesn't include the apple device drivers for all 
> > >> apple / mac computers in their ISO files.
> > >> 
> > >> What the installation process does is download to the USB the 
> > >> apple bootcamp device drivers for the installation and then once 
> > >> that is done it starts the full installation,
> > >> 
> > >> There ar some windows installation features but it's mainly the drivers 
> > >> on the usb.
> > >> 
> > >> Once it's created you should have a look at the content.
> > >> 
> > >> -----Original Message-----
> > >> From: 'Janina Sajka' via MacVisionaries 
> > >> [mailto:macvisionaries@googlegroups.com]
> > >> Sent: Thursday, 7 December 2017 8:49 PM
> > >> To: macvisionaries@googlegroups.com
> > >> Subject: Re: podcast on installing windows with bootcamp 
> > >> accessibly
> > >> 
> > >> Strange that bootcamp needs one to create a bootable stick, given how 
> > >> long that process takes.
> > >> 
> > >> It's quite common to install from an iso file, which bootcamp uses to 
> > >> create the USB stick. So, why can't it just install from the iso image 
> > >> like is so common in multiple environments, including with VMware on 
> > >> Mac, just to cite one example.
> > >> 
> > >> Just curious.
> > >> 
> > >> Janina
> > >> 
> > >> Aleeha Dudley writes:
> > >>> Hey all,
> > >>> I know there was a question a while back about this. Here’s a podcast 
> > >>> that shows you how to install Windows 10 with Bootcamp. without sighted 
> > >>> assistance. 
> > >>> The URL is: 
> > >>> https://iaccessibility.net/iacast-democast-14-installing-windows
> > >>> -o
> > >>> n-
> > >>> a-
> > >>> mac-accessibly-with-bootcamp/
> > >>> I hope this helps someone.
> > >>> Aleeha
> > >>> 
> > >>> --
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> > >> 
> > >> Janina Sajka,    Phone:  +1.443.300.2200
> > >>                  sip:jan...@asterisk.rednote.net
> > >>          Email:  jan...@rednote.net
> > >> 
> > >> Linux Foundation Fellow
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> > >> 
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> > > Janina Sajka,     Phone:  +1.443.300.2200
> > >                   sip:jan...@asterisk.rednote.net
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> > > 
> > > Linux Foundation Fellow
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> Janina Sajka, Phone:  +1.443.300.2200
>                       sip:jan...@asterisk.rednote.net
>               Email:  jan...@rednote.net
> 
> Linux Foundation Fellow
> Executive Chair, Accessibility Workgroup:     http://a11y.org
> 
> The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
> Chair, Accessible Platform Architectures      http://www.w3.org/wai/apa
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-- 

Janina Sajka,   Phone:  +1.443.300.2200
                        sip:jan...@asterisk.rednote.net
                Email:  jan...@rednote.net

Linux Foundation Fellow
Executive Chair, Accessibility Workgroup:       http://a11y.org

The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
Chair, Accessible Platform Architectures        http://www.w3.org/wai/apa

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