How can I have Macintosh-data after a reinstllation

Question

How can I have Macintosh-data after a reinstllation

Hi,

Beofre I got some problem with my MacBook Pro, I could see Macintosh and Macintosh-data.

I suppose, Macintosh contain the OS and the Macintosh-data contain the data.

I formatted my disk and I reinstall Ventura and I am going to upgrade to the newest OS version.

But I observed that I only Have one volume : Macintosh.

I like to spirited the OS and the Data.

How can I have Macintosh-data?

Should I format my Disk, create to volume and install my OS on Macintosh?

What should it be the size of the volume for the OS and how Ventura will know to have the data dissociate from the OS volume.

Or can you explain, what's Macintosh-data?

Many thanks

MacBook Pro 13″, macOS 13.7

Posted on Oct 22, 2024 11:15 AM

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Answer 1

HWTech

Level 9

60,380 points

Oct 22, 2024 12:51 PM in response to pierrot-la-lune

FYI, macOS tries to hide the more complex file system & drive layout structures from the users. macOS tries to make everything look like a simple single "Macintosh HD" volume which has existed for 20 years, but sometimes this complex behind the scenes structure is revealed to the user (usually accidentally).

Here are two Apple articles about the new drive layout introduced in macOS Catalina and updated with more changes starting with Big Sur:

About the read-only system volume in macOS Catalina or later - Apple Support

Signed system volume security - Apple Support

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Answer 2

Oct 22, 2024 11:18 AM in response to pierrot-la-lune

No false, sorry, I opened Disk utilities and I see two volumes Macintosh and Macintosh - Data.

Sorry, I supposed the installer create those two volumes..

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