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External boot from TB drive in Big Sur?
Posted by: steveroberts
Date: March 14, 2022 01:10PM
Hi Folks,

Currently running MacOS 10.14 on my 2017 27" i7 iMac.

I'm contemplating an upgrade to Catalina, then immediately to Big Sur (as I understand that is a way to avoid some upgrade issues).

Presently, I'm booting from SSD via an external Thunderbolt drive.

I heard there may be a problem doing this with BIg Sur. Before taking the leap, I wanted to see if anyone here is booting external TB on similar hardware.

Thanks for any advice or suggestions you can offer.

SR
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Re: External boot from TB drive in Big Sur?
Posted by: MrNoBody
Date: March 14, 2022 01:30PM
cannot verify an Intel Mac. M1 Mini 'Big Sur' boots fine from an 1TB Inland
NVMe SSD in OWC Envoy Express and a Wavlink UTE02.
(now on Monterey; 1TB Sabrent Rocket in the UTE02)



39°36'17"N 75°44'43"W

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The Humpty Dance by The Harris-Brown Hookup
Lets Spend The Night Together by The Fang-Swalwell Gang
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My Old Kentucky Retirement Home by MitchMcC & The Soggy Boxer Boys
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Re: External boot from TB drive in Big Sur?
Posted by: Tiangou
Date: March 14, 2022 01:40PM
Booting from externals seems to work just fine on Intel Macs -- including booting to Big Sur -- with one exception.

I've had some issues with Catalina boot vols on 2012 iMacs that seems to be related to a firmware problem. They sometimes don't see the APFS Catalina boot vol on a restart. Have not had any problem with Macs more recent than that.

I suggest that you make a clone from your present boot drive as a precaution prior to upgrading.

Later, for cloning Big Sur and beyond, see this note:
[bombich.com]







Edited 1 time(s). Last edit at 03/14/2022 01:40PM by Tiangou.
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Re: External boot from TB drive in Big Sur?
Posted by: hal
Date: March 14, 2022 01:52PM
Quote
Tiangou
Later, for cloning Big Sur and beyond, see this note:
[bombich.com]

apple sure is making things hard on Bombich
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Re: External boot from TB drive in Big Sur?
Posted by: Gareth
Date: March 14, 2022 02:12PM
Quote
hal
Quote
Tiangou
Later, for cloning Big Sur and beyond, see this note:
[bombich.com]

apple sure is making things hard on Bombich

Yea, CCC in Monterey was a total fail for me. A clean install, and CCC would only copy about 2.8GB of data. Ended up using Disk Utilities restore function.
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Re: External boot from TB drive in Big Sur?
Posted by: MrNoBody
Date: March 14, 2022 02:13PM
apple sure is making things hard on Bombich

Unintentional victim of making it harder on hackers?



39°36'17"N 75°44'43"W

DuckDuckGo
The search engine that doesn't track you.

DemComm Records 2021 Greatest Hits
includes:
Taxman by Joe & Nancy's Rich Ice Cream Band
The Humpty Dance by The Harris-Brown Hookup
Lets Spend The Night Together by The Fang-Swalwell Gang
Díaz-Canel Is A Friend of Ours by The AOC Squad
My Old Kentucky Retirement Home by MitchMcC & The Soggy Boxer Boys
Burning Down The House by Merrick & The Goons
Back In the USSR by Bernie's Red Square Trio

patriot smiley
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