Re: How To Install El Capitan From Sierra?
Re: How To Install El Capitan From Sierra?
- Subject: Re: How To Install El Capitan From Sierra?
- From: John Bishop <email@hidden>
- Date: Wed, 31 May 2017 09:25:24 -0500
- X_cmae_category: , ,
There's this:
"Apple File System is uniquely designed to meet the needs of Apple’s products and ecosystem. Apple File System provides strong encryption, ultra-low latencies and limited memory overhead. It is optimized for Flash/SSD storage and can be used on everything from an Apple Watch to a Mac Pro."
I believe changes have already occurred with iOS 10 (noted by some as long iOS 10 startup and slow initial operation) but backward migration isn't allowed in iOS (except from clean install are restore). If similar changes are / will be supported by Sierra (macOS?), they might be preventing backward migration to prevent trouble with future APFS file system conversion. Just a guess.
If you really, really, really need to go backward, back up, do a clean install of the older OS X, then restore.
> On May 30, 2017, at 2:00 PM, email@hidden wrote:
>
> Date: Tue, 30 May 2017 11:49:54 -0700
> From: Mike Crawford <email@hidden>
> To: list Xcode-users <email@hidden>
> Subject: How To Install El Capitan From Sierra?
> Message-ID:
> <email@hidden>
> Content-Type: text/plain; charset="UTF-8"
>
> I need to run El Capitan to regress a bug.
>
> It's still available from the App Store, but when I press the Download
> button an alert appears that says:
>
> OS X can't be installed on "Sierra" because the version of macOS
> is too new.
>
------------------------------------------------------------------
John Bishop
Mulligan Software
<mailto:email@hidden>
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