Re: Very basic need, very difficult to achieve.
Re: Very basic need, very difficult to achieve.
- Subject: Re: Very basic need, very difficult to achieve.
- From: Quincey Morris <email@hidden>
- Date: Tue, 03 May 2016 17:13:34 -0700
- Feedback-id: 167118m:167118agrif8a:167118sIE-awd1NI:SMTPCORP
On May 3, 2016, at 16:28 , Graham Cox <email@hidden> wrote:
>
> I need to install a 10.9 image on a disk partition for development testing.
>
> How?
I did start a thread about this, which might be the one you are remembering.
You’re fighting a number of road blocks. The important one is that a Mac cannot run a version of OS X that’s older than the one it originally arrived with. (That is, older versions may not have the drivers and other hardware-dependent software needed to operate a newer Mac correctly.)
Secondarily, it does seem that the current (10.11) OS won’t run older installers under any circumstances. At the time this came up, I had a 2011-era iMac, so it should have been able to go back at least a few versions, but it wouldn’t. It’s possible that there might be a way of doing it if you reboot to the recovery partition, and then somehow force a download of the older OS, but I couldn’t find a way to do it.
In the end, I gave up on this and went to virtualization instead. VMWare was what I chose, and it worked great, although it was a bit slow. I also thought there was a way to run virtualization in OS X Server somehow, but I couldn’t find any documentation to support that idea. So, VMWare or Parallels.
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