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TOPIC: APFS formatting

APFS formatting 13 Jun 2018 12:09 #9796

I was under the impression that V10 would include the APFS format for the ProToGo.
This is not the case.....
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APFS formatting 13 Jun 2018 12:41 #9797

I am not sure where you got that impression. It is possible that the feature will be added later. Thanks for reporting the issue.

In High Sierra, APFS is optimized only for SSD devices. Full support for hard drives and hybrids is expected in Mojave.
MicroMat Inc
Makers of TechTool
Last Edit: 13 Jun 2018 12:49 by micromattech3.
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APFS formatting 13 Jun 2018 20:40 #9802

your email to me as answer to my question about the absence of APFS formatting :
Hello,

Thanks for the message. Our developers are working on this and could see this included in a future update, but most likely will be an addition for the next version of TechTool Pro.

Let us know if you have any questions.

Thanks,

Micromat Help
This email address is being protected from spambots. You need JavaScript enabled to view it.

That is why I thought APFS would be included, that's why I upgraded to V10.
In your promotion it also looks like APFS is fully supported.
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APFS formatting 13 Jun 2018 21:32 #9803

Thanks for the explanation.

No utility can fully support APFS at the moment, both because APFS is itself a work-in-progress, and Apple has yet to release documentation for it for developers. What is needed is documentation at least as detailed as the one for the HFS+ filesystem:

Technical Note TN1150:
HFS Plus Volume Format
MicroMat Inc
Makers of TechTool
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APFS formatting 15 Dec 2018 03:25 #10476

Any idea when Techtool is going to support Apfs format? my Mac "upgraded" itself to this new format and now Techtool no longer works on it. I was under the impression that 10 supported it. I really don't want to have to completely reformat my computer.
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APFS formatting 15 Dec 2018 04:21 #10477

You should be able to run the Volume Structures test and Volume Rebuild tool, with this limitation: When running Volume Rebuild on APFS volumes, a full directory optimization is not yet available. However, directory errors can be repaired. (TecTool Pro 10.1.2 manual, page 6.7).

The eDrive and Protogo features require extensive modification to be compatible with Mojave (not specifically APFS), due to changes Apple made in the way bootable volumes work, and in the system software tools. Those features will work in TechTool Pro 11, expected later this month.

Directory Backup cannot back up the active startup volume, due to changes Apple made in High Sierra. Running the Surface Scan requires booting from a volume on a device other than the one to be scanned, as does running the File Optimization, due to changes Apple made in security staring in macOS 10.13 High Sierra.

From page 9.4 of the manual:

NOTE Directory backups are not kept for drives encrypted by FileVault 2 for security reasons. Directory Backup is also not available for SSD drives. Data Recovery is not possible for these devices because the TRIM feature overwrites data immediately.

If you are encountering limitations beyond the ones described, please send a message to This email address is being protected from spambots. You need JavaScript enabled to view it. . You will receive a reply by email on Monday. Thank you.
MicroMat Inc
Makers of TechTool
Last Edit: 16 Dec 2018 02:13 by micromattech3.
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The following user(s) said Thank You: KagatoAC

APFS formatting 16 Dec 2018 02:08 #10480

I usually run the Optimization tools on my system every couple of months, but I didn't realize that Apple had instituted the Apfs Format behind the scenes. I'm perfectly fine with waiting till version 11 comes out. If anything I'm annoyed that Apple did this without any warning :)
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APFS formatting 16 Dec 2018 02:16 #10481

You are welcome.

There has been quite a bit of discussion at www.macintouch.com about when installing Mojave results in the reformatting of the startup volume with the APFS format and when it does not, and ways of preventing it. It is a complicated subject, with some instances of conflicting user reports.
MicroMat Inc
Makers of TechTool
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