Questions tagged [apfs]

Apple File System (APFS) is a proprietary file system for macOS, iOS, tvOS and watchOS, developed and deployed by Apple Inc. It aims to fix core problems of HFS+ (also called Mac OS Extended), APFS's predecessor on these operating systems. Apple File System is optimized for flash and solid-state drive storage, with a primary focus on encryption.

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How do APFS and the UNIX filesystem work in tandem on modern MacOS builds?

I am sure everyone here knows that Mac OS made the transition to its own, native filesystem, dubbed "APFS", around the release of iOS 10. However, it is also commonly known that behind the ...
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MacOS Catalina: Extend APFS Volume

Following is the result of diskutil list command: I want to extend disk0s2 to take up available space (29GB) since I have 128GB SSD and I have deleted container disk of size 29GB. I tried with disk ...
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How to load MacOS from an APFS partition using GRUB2?

This is a Apple machine, not a Hackintosh. Before Apple switched to APFS, you could put this inside a menu entry in GRUB: set root=(your OS X partition) chainloader /System/Library/CoreServices/boot....
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Is it possible to create a firmlink on the latest version of macOS Catalina?

synthetic.conf creates empty, mountable directories and symlinks, not firmlinks. While I do know you can create another volume inside the APFS container and use synthetic.conf to provide me with a ...
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Format an APFS hard disk on Windows

I have an internal SSD that was installed on a Mac laptop I owned. I bought a new Windows laptop and I want to install this SSD on it, but the drive is formatted in APFS. I installed Paragon APFS for ...
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Why does an APK file size of 7.6 MB allocate 1.36 GB on an exFAT formatted external hard drive when reverse-engineered?

I have an apk file size of 7.6 MB. When I reverse-engineer this apk file through apktool, which is a reverse engineering tool for apk files, it allocates 1.36 GB on an exFAT formatted external hard ...
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My Apple APFS partition is entirely full, and now I can't delete anything anymore. How do I fix this?

APFS is a copy-on-write filesystem, which means that any modification including deletions require writing new metadata, not just changing existing metadata. The new metadata requires free space. At ...
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Rsync from Mac OS to synology with btrfs having issues with file and directories that contain umlauts and similar characters

I want to copy a folder from my local Mac (Catalina with APFS) to my Synology (btrfs filesystem) on my local network. And all files that have an umlaut in it (ö,ä,ü,....) gets in trouble somehow. ...
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Fake a mount to local folder

Every so often I need to locally debug Groovy scripts that write files to a subfolder in /mnt on the server. Is there a way to fake this mount on my local machine to another folder (in /tmp) so that I ...
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Macbook internal SSD won't mount - missing partitions, EFI partition corrupt?

My mid-2013 Macbook with 512 GB SSD was working fine until yesterday morning. I opened it up and found a blinking folder icon. I've done all the tests and things I can find online and I still can't ...
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How to mount System Volume using APFS snapshot

I am not able to mount System Volume (root) using APFS. I only see my Data Volume. $ mkdir /tmp/snapshotbackup_root $ mount_apfs -s com.apple.TimeMachine.2019-10-29-174444.local / /tmp/...
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Mac Pro 5,1 firmware update for booting APFS

When High Sierra came out, I opted to not update my filesystem version, out of caution. Now that it's been out for a while, and my MacBook Pro has had no issues, I'd like to upgrade my Mac Pro 5,1 to ...
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How to find firmlinks

macOS Catalina introduces "firmlinks" to the APFS filesystem. Is there a way via a CLI tool to determine whether /Users is a firmlink and where it is firmlinking to? I'm looking for something similar ...
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How to create a firm link in latest APFS

I'm running the macOS beta for Catalina (10.15) and I'm trying to find out how to create a firm link. (Not a hard link, soft link, alias or anything like that.) The WWDC keynote mentions a new feature ...
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Determining status of cloned file on APFS

Apple is now using APFS across several product lines, including macOS. This new filesystem has some nice features for minimizing how much actual disk space is consumed, such as sparse file support ...
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Can I expand an APFS volume across multiple drives

I have installed a 2nd SSD in a Mac running Mojave. Is it possible to expand the current active volume across the 2nd SSD? I would rather do this and have a single volume instead of moving home ...
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git-p4 and huge file sizes

I am trying to convert a Perforce(p4) repository to git (preferably to Helix4Git, a git server implementation by perforce). I reduce my problem to a simple use-case in order to find the solution for ...
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How to resolve APFS overallocation error from volume “VM” without reformatting disk

I ran Disk Utility's First Aid on my drive's APFS container. One of the volumes, called "VM", gives the following warning: warning: Overallocation Detected on Main device: (26707978+1) bitmap address ...
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Unlock FileVault encrypted drive knowing only user password

I have an external disk which is clone of a MacBook internal disk. I used it as an external boot disk from time to time. Today when I tried to boot from it on a new MacBook it stopped working and I ...
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Healthy APFS volume trapped by broken container

How do I mount a healthy APFS volume belonging to a broken APFS container? The volume has FileVault enabled. All data sits in a external disk. Update The external USB disk was prepared with ...
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APFS encrypted sparsebundle won't fully compact

I have an APFS encrypted sparsebundle saved on my HD. It is not a time machine backup, rather something I created and maintain manually. On occasion I perform an hdiutil compact to reclaim HD space. ...
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Creating a base image for macOS High Sierra with Apple File System (APFS)

I used to be able to create a single dmg file of a Mac disk drive (contains all partitions including recovery partition) and then deploy it to another Mac as per these instructions: https://support....
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best process after drive upgrade (High Sierra APFS with FileVault encryption)

I am running MacOS 10.13.5 with APFS format SSD and FileVault encryption. I need to upgrade the drive from 1/4 TB to 1/2 TB. I want to avoid having to reinstall all my applications and data after re-...
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rEFInd doesn't start Mac OSX

I had rEFInd running fine previously. Then I updated to Mac OSX Mojave beta. After the update, rEFInd was missing. So I just reinstalled it. However, it didn't work. Went back to 10.13.5 fresh ...
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How do I mount a raw APFS filesystem from the commandline on macOS?

Creating a raw image with an APFS filesystem in it is pretty straight-forward: $ hdiutil create -megabytes 1 -layout NONE -fs apfs -volname unicode unicode.dmg created: /Users/daniel/test/apfs/...
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Installer .pkg from terminal fails to APFS volume

Had a .pkg I've been installing from command line to various systems for ages with no problem, recently noticed it's been failing with the following error message: Cannot install on volume /Volumes/...
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How to mount APFS on Linux or Windows?

Is there any way to mount APFS partition read only or read/write on Linux or Windows?
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APFS broke find command

I just upgraded to APFS on an external drive. Now this is happening: find /Volumes/FDDISK | head /Volumes/FDDISK /Volumes/FDDISK/.HFS+ Private Directory Data /dir_2354142ISK/.HFS+ Private Directory ...