High Sierra install thumb drive, Dmg

[David Mullin]

where's High Sierra install .dmg i could download, and restore to my thumbdrive.
i have late 2012 Mac mini 2.5 GHz Duo with 8 GB RAM.

[nospam]

In article <dc766e60-4f46-4fcd...@googlegroups.com>,

download the installer from the app store

[David Empson]

David Mullin <ddmull...@gmail.com> wrote:

> where's High Sierra install .dmg i could download, and restore to my
> thumbdrive.

The same place as every previous major OS X or macOS version: App Store.

There is a link to get High Sierra on the Featured page (via an ad
banner at the top and a featured item in the left panel). Getting it
there will download the installer into your Applications folder.

Once you have the installer downloaded, it launches automatically and
pauses on the initial splash screen with a Continue button at the
bottom. At that point, use the Quit command in the usual menu (or
Command-Q).

You can then create a bootable installer on an 8 GB or larger flash
drive.

Apple provides a "creatinstallmedia" command line tool inside the
installer, documented here:

https://support.apple.com/HT201372

There is also at least one third party utility to create a bootable
installer if you can't handle the command line method:

http://diskmakerx.com

(I haven't tried recent versions of DiskMaker X but I have used the
command line method many times.)

> i have late 2012 Mac mini 2.5 GHz Duo with 8 GB RAM.

That model meets the system requirements for High Sierra (you didn't say
which OS version you are currently running, but that model came with
Mountain Lion which is the minimum required to download or install High
Sierra).

--
David Empson
dem...@actrix.gen.nz

[J.Albert]

On 10/6/17 6:41 PM, David Empson wrote:
> There is also at least one third party utility to create a bootable
> installer if you can't handle the command line method:
>
> http://diskmakerx.com

There is also "Install Disk Creator" (free) and a new one
called "Boot Buddy" (also free)...

[Neill Massello]

David Empson <dem...@actrix.gen.nz> wrote:

> You can then create a bootable installer on an 8 GB or larger flash
> drive.

OS X Daily recommends 16GB or larger for 10.13.

<http://osxdaily.com/2017/09/27/create-macos-high-sierra-bootable-installer-usb>

Has anybody had trouble creating a High Sierra installer on an 8GB
drive?

[David Empson]

Apple specifies a drive with at least 12 GB free. That may be why OS X
Daily suggests 16 GB.

https://support.apple.com/HT201372

No idea why Apple specifies 12 GB unless it is for potential future
growth. None I've made have needed more than 6.5 GB so far.

I have a 32 GB USB flash drive on which I have three partitions of
approximately 7 GB each, with installers for El Capitan, Sierra and High
Sierra (plus a 9 GB partition left for general use). I just updated the
High Sierra one to the latest installer with the supplemental update
included.

El Capitan: 6.27 GB used
Sierra: 5.08 GB used
High Sierra: 5.24 GB used

--
David Empson
dem...@actrix.gen.nz

[Andre G. Isaak]

In article <1ndjvw5.2svs57gno7gdN%dem...@actrix.gen.nz>,

dem...@actrix.gen.nz (David Empson) wrote:

> Neill Massello <nmas...@yahoo.com> wrote:
>
> > David Empson <dem...@actrix.gen.nz> wrote:
> >
> > > You can then create a bootable installer on an 8 GB or larger flash
> > > drive.
> >
> > OS X Daily recommends 16GB or larger for 10.13.
> >
> > <http://osxdaily.com/2017/09/27/create-macos-high-sierra-bootable
> > -installer-usb>
> >
> > Has anybody had trouble creating a High Sierra installer on an 8GB
> > drive?
>
> Apple specifies a drive with at least 12 GB free. That may be why OS X
> Daily suggests 16 GB.
>
> https://support.apple.com/HT201372
>
> No idea why Apple specifies 12 GB unless it is for potential future
> growth. None I've made have needed more than 6.5 GB so far.

The High Sierra installer + the minimal system included on the install
USB comes to around 5.3 GB. However, the disk needs space for preparing
the install, for VM page files, etc. I'd be wary of running a modern OS
off of a disk with only 2.6 GB of free space.

It's possible that apple's recommendation might be higher than needed on
systems with a decent amount of RAM, but I personally see no reason to
discount their claim of a 12 GB minimum.

Andre

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[Neill Massello]

Andre G. Isaak <agi...@gm.invalid> wrote:

> It's possible that apple's recommendation might be higher than needed on
> systems with a decent amount of RAM, but I personally see no reason to
> discount their claim of a 12 GB minimum.

In any case, the price difference between 8GB and 16GB USB sticks is now
so small that there's little reason not to go with a 16. I was just
wondering if I could recycle one of the 8GB SanDisk Fit drives that I
keep in a box because they're too small to be portable.

[Lewis]

In message <1ndjvw5.2svs57gno7gdN%dem...@actrix.gen.nz> David Empson <dem...@actrix.gen.nz> wrote:
> Neill Massello <nmas...@yahoo.com> wrote:

>> David Empson <dem...@actrix.gen.nz> wrote:
>>
>> > You can then create a bootable installer on an 8 GB or larger flash
>> > drive.
>>
>> OS X Daily recommends 16GB or larger for 10.13.
>>
>> <http://osxdaily.com/2017/09/27/create-macos-high-sierra-bootable
>> -installer-usb>
>>
>> Has anybody had trouble creating a High Sierra installer on an 8GB
>> drive?

> Apple specifies a drive with at least 12 GB free. That may be why OS X
> Daily suggests 16 GB.

> https://support.apple.com/HT201372

> No idea why Apple specifies 12 GB unless it is for potential future
> growth. None I've made have needed more than 6.5 GB so far.

I think we are talking about two different things.

1) a bootable USB that installs 10.13 = 8GB minimum (according to Apple)

2) a bootable USB that RUNS 10.13 = 12GB minimum, but really 16GB minimum
and really, 32 GB is reasonable.

--
“Life is one damned kitten after another." Mehitabel the Alley Cat”

[Neill Massello]

Lewis <g.k...@gmail.com.dontsendmecopies> wrote:

> I think we are talking about two different things.

Nope. We're talking about bootable installer drives whose purpose is to
install macOS 10.13 on some other drive, not full systems from which you
can surf the web, edit documents, etc. The Apple page that David linked
to says:

"Mount the USB flash drive, external hard drive, secondary internal
partition, or other storage media that will contain the install media.
Make sure that it has at least 12GB of available storage space."

[David Empson]

Apple's page I linked above says:

"Mount the USB flash drive, external hard drive, secondary internal
partition, or other storage media that will contain the install media.
Make sure that it has at least 12GB of available storage space."

They are definitely talking about the drive used for the bootable
installer.

The bootable installer is a copy of the recovery volume plus the install
packages. The recovery volume doesn't use VM and doesn't have any
notable free space (and for HFS+ is not easily expandable), so the
bootable installer (also HFS+) shouldn't need much free space either.

The text on that page has been modified a few times recently. Back in
May it said:

"Mount your USB flash drive or other volume. You could also use a
secondary internal partition that has at least 12GB of available disk
space for the installation files."

https://web.archive.org/web/20170519194155/https://support.apple.com/en-us/HT201372

Last year it didn't mention a capacity at all.

https://web.archive.org/web/20161031123349/https://support.apple.com/en-us/HT201372

I have no problem with using a 16 GB USB flash drive as a bootable
installer. It just doesn't seem to be necessary (yet).

--
David Empson
dem...@actrix.gen.nz

[Lewis]

I wonder when they changed that/ It used to be 4GB a long time ago then
was 8GB when the installer exceeded a DVD image size.

> They are definitely talking about the drive used for the bootable
> installer.

The OP wanted to RUN OS X off a thumb drive though, yes?

> I have no problem with using a 16 GB USB flash drive as a bootable
> installer. It just doesn't seem to be necessary (yet).

Older thumb drives will likely be slower is the only reason I'd go with
something larger and newer. I think the smallest thumb drive I have that
isn't 4-5 years old or more is 32GB.


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