Questions tagged [apfs]

A filesystem developed by Apple Inc first introduced in macOS Sierra 10.12 Developer Release and for public use in macOS High Sierra 10.13.

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APFS Partitions corrupted

I recently ran Boot Camp Assistant to remove the Windows partition from my 2017 MacBook Pro, but during the partitioning step I quit Boot Camp Assistant. After restarting the computer the next time, I ...
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Resize APFS partition and move it to another hard drive

I have a 500 GB external USB disk that contains a 465GB "APFS container", with Mac OS X Catalina, bootable (with the trick "Press and hold the Option (Alt) key immediately after turning ...
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How to create an APFS-formated volume on an external drive using Terminal

I want to create a case-sensitive encrypted APFS formatted Volume on my external drive using only the CLI. I had a look at man diskutil already but this doesn't seem to have all the details required. ...
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Insatalling Windows 10 on a Mac SSD formatted as APFS

I'm trying to install Windows10 on my Macbook Air 2012. Boot Camp successfully finishes. When my computer reboots and I try to install using the USB iso, I get an error. Is it because my SSD is ...
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How does Apple perform a lossless in-place conversion from HFS+ to APFS?

Since High Sierra, Apple has allowed users to do an in-place conversion of an existing HFS+ file systems to APFS without losing files. This can happen automatically during an OS upgrade or can be done ...
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Encrypt single file in apfs

APFS supports single-key and multi-key encryption, for the full filesystem and for individual files. Is it possible to encrypt a single file or folder without encrypting the entire drive on macOS High ...
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APFS partition on an external drive stopped working

I have an external drive formatted in APFS. I use it to store some media files and it contains a Time Machine sparse bundle which is encrypted. I can chose to mount or not the sparse bundle. Today I ...
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APFS Container minimum size equal to current size

I've got a newly installed iMac with a fusion drive consisting of the internal SSD and a secondary SSD which I installed instead of the factory HDD. I'm now trying to install bootcamp and getting ...
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Deleting files doesn't clear hard drive space, adds to “hidden space”, “Other” taking up over 600GB of SSD. First Aid causes errors as well

Pretty sure I'm experiencing the effects of a hard drive on its last legs or requiring a fresh install of OSX, but have some roadblocks in my way that are preventing that. Here's my situation. Mid ...
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Should I create APFS volumes or a partition on an external disk?

I have just newly bought an external drive (not SSD), and was planning to create several partitions on it, for example to keep my files separate from Time Machine backups. However, when browsing ...
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Catalina: Purpose of /System/Volumes/Data/Previous Content/?

After the update from Mojave to Catalina I noticed that the used disk space has increased from about 1TB to almost 2TB. And there is hardly any free disk space left. A closer inspection of the file ...
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How to remove a container disk and reclaim space with main partition? (Similar to another question)

So basically im an idiot and dug myself a hole. Im nearly out of this mess but I still have one thing to do. Just need to get the data back that is in these containers. Help is much appreciated. I can ...
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How many files are allowed in a directory practically on Mac OS Extended (Journaled) external disk?

I have an external disk of the format Mac OS Extended (Journaled). When there are many files in a directory, it becomes very slow. What is the practical limit of the number of files in a directory ...
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APFS partition inaccessible

I wonder if someone can help me with my mess. I created hybrid MBR which was working in the beginning, The I decided to delete the Bootcamp partition from the disk utility. This is where the things ...
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MacBook Pro (mid 2012) how to merge Partitions using OS Catalina or Recovery Mode

I would like to merge some partitions done in the past, with the main one in order to increase the space of it. I have a MacBook Pro (13inch mid 2012) with OS Catalina 10.15.4 fully working in ...
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Prevent certain APFS volumes from being deleted in Disk Utility.app

I can open Disk Utility and permanently erase any highlighted, internal APFS disk volume not being used to boot the currently running operating system, just by clicking the delete or - (minus) button, ...
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APFS Fusion Drive with external USB on 2018 Mac Mini

For fun, I've bought a USB thumbdrive from a reputable brand, and was able to build an APFS fusion drive (with the internal SSD as the main, and the USB thumbdrive as the secondary) on my 2018 Mac ...
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Is the firmware update for APFS on an older Mac on disk or NVRAM?

My 2008 MacPro3,1 is getting long in the tooth and one of the few things left I can do for it before retiring it is to set APFS as the system drive so that I can attempt to run Mojave on it. However, ...
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Under Catalina, should I use HFS+ or APFS when symlinking media folders to external drive

As I'm planning to install an SSD into my iMac with smaller capacity than the internal Fusion Drive its replacing, I will need to symlink my Movies, Music and Pictures folders to an external mains ...
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Cannot enter password to unlock encrypted APFS volume (field is somehow disabled)

When I plug in my external hard drive, I cannot enter my password (the field is somehow disabled). The volume in question is of type APFS (Encrypted). What can I do? $ sudo fsck_apfs -n /dev/disk3 ...
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fsck_apfs fails with “btn: invalid value” and “Snapshot is invalid.”

I have an old MacBook Air running out of disk space, and DaisyDisk reports that 25 GB are taken by "still hidden". Following their suggestions, I've tried to run Disk Utility First Aid as well as a ...
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Partition type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and drive unreachable [duplicate]

I had Ubuntu dual booted on my 2015 MacBook Pro. I tried to remove the Ubuntu partition using Disk Utility, then when I attempted to delete the Linux partitons, it is completely gone out of sight. I ...
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How to undelete files removed with rm -rf on an APFS SSD disk?

Is there any way to restore files removed with rm -rf on an APFS formatted SSD?
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Reorganise APFS container disks

I have an internal SSD with 500 GB. Currently it is divided into two container disks, each with the size of 250 GB: For some reason, I had originally allocated the first one as a backup, which I no ...
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How can I convert the Macintosh HD volume from read only to write access? [duplicate]

I am running macOS Catalina and I am fully aware that system files are read only. I would like to change this without deleting system data or reverting back to Mojave. I need to write to the /bin ...
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Macbook Pro unable to boot and other strange internal drive behaviour

I don't know how/why this happened, but my Macbook Pro 13" (Retina, Mid 2014) running macOS Mojave will no longer boot from the internal drive. When I boot into internet recovery, sometimes the ...
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Is Disk Partitioning User Data Sensible in Catalina?

I'm a first time mac owner (coming from Linux and Windows) and so far I'm enjoying myself. =) Big fan of the Unix roots in a polished package. I typically partition my system's "disk" drive to ...
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How to merge an HFS+ partition into my APFS partition

I want to merge an empty HFS+ partition with my Mac's APFS partition. My Disk Utility interface looks like this : How can I do this ?
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update unsupported mac with OS X lion to APFS 10.15

Please confirm if one can help me update unsupported mac book late 2008 HFS+ to APFS Last 2008 current OS X Lion Mac book 5.1 Omt; Cpre 2 Duo processor 2 GHZ 1 processor 2 cores L2 cache 3mb Mem ...
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MAC UNABLE TO FORMAT TO APFS [duplicate]

I hate to spam and reopen old issues but this is urgent!! I am experiencing an identical problem to the one in: Unable to format internal drive as APFS on 2018 MacBook Pro My internal drive can ...
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Unmounted Macintosh HD - Data partition / fsroot tree is invalid

MBP late 2012, SSD encrypted AFPS macos 10.15.3 I can pass the first filevault password for Macintosh HD but then classic macos kernel panic screen because the the data partition cannot mount.
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Are time machine directory exclusions recursive?

In macOS 10.15.3, using Time Machine Preferences GUI I have excluded /usr and /System from backups. In the terminal I get: % tmutil isexcluded /usr/ [Excluded] /usr % tmutil isexcluded /...
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MacOS Cannot format to APFS

I am experiencing an identical problem to the one in: Unable to format internal drive as APFS on 2018 MacBook Pro However this thread in unanswered and unresolved My internal drive can format to ...
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Macbook Pro 2015 barfed during Boot Camp partitioning, rebooted to uninitialized APFS drive

I was trying to run Boot Camp to have access to the windows Steam library. Boot Camp kept failing and it would then hang on "error: please wait while we reset the partitions to the usual configuration,...
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Why can't I create a .ssh directory on macOS 10.15.4?

I'm running into a strange problem trying to set up ssh. I'm more used to Linux than macOS. Can someone explain to me what's going on here? user@nothing ~ % mkdir ~/.ssh mkdir: /Users/user: No such ...
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Does “Erase all content and settings” help with potential Data partition file system issues?

Recently I have become concerned about the fact that there is no way of checking the filesystem integrity on the iOS platform short of rooting the device and running a manual fsck. If I were to handle ...
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Displaying difference between APFS snapshots

Problem APFS is amazing... and infuriating with its lack of tools available. What I'm trying to do is simply an equivalent of btrfs send --no-data -p /snapshots/parent /snapshots/child My ...
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fix: mismatch between extentref entry reference count

My MacBookPro 2019 (Catalina 10.15.4) recently started to show weird issues in disk utility: When validating the internal startup disk (SSD) it fails various times with: mismatch between extentref ...
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My MacBook Pro won’t let me erase my disk

I'm trying to delete all the data off my MacBook Pro. I pressed command+r, went to disk utilities, selected my disk in the slot to the left, went to the erase tab. The "erase" button is faded so I can'...
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Resize APFS (encrypted) container

I am having trouble "attributing" some free space I have available on the Files partition to the volume which contains system files: an APFS encrypted container. I would like to do this because I am ...
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Damaged partition table on Catalina prevents Mac from starting

After deleting a partition with Ubuntu on it from my Mac, I’m unable to boot the OS because of what looks like a damaged partition table. I started the system in the Recovery Mode and tried to use the ...
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Shell commands to determine if file is held on an APFS volume

In a shell script, I need to determine if a file is held on an AFPS volume. What is the easiest way to do that?
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Help me recover 2 deleted partitions: APFS and exFAT

Apology for poor English. I messed up big time this time. Backstory I have one Samsung 860 EVO 500GB 2.5" SATA SSD that contains 3 partitions in the following order: EFI (FAT32) APFS exFAT The ...
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Enlarging APFS OS Volume - Unknown partition scheme

I have my OSX install on a seperate AFPS partion, my home folder on another (HFS). In order to enlarge it I deleted a Linux partition following it, and now I get an error that it is not an AFPS device ...
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What is the difference between APFS Local Snapshots and Time Machine Snapshots?

I have an external disk always backing up my system, since Time Machine was launched. Not the same disk all these years. Catalina introduce this thing called APFS local snapshot that wastes disk ...
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Disk Utility fails with OSStatus error 22 during cloning/recovery operation

Background: I need to upgrade the drive in my Macbook Pro. Following are some of its specs: MacBook Pro (17-inch, Late 2011) OS: High Sierra, v 10.13.6 HDD: 500 GB SSD, w/ Macintosh HD & ...
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External APFS drive won't mount - invalid o_subtype

Having the unfortunate experience of a potentially corrupted USB drive that won't mount: /dev/disk3 (synthesized): #: TYPE NAME SIZE IDENTIFIER 0: ...
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Is there any way of setting the default mount point for an APFS volume? (10.14/Mojave)

I can create an APFS volume in 10.14/Mojave, with a command like % sudo diskutil apfs addVolume disk1 APFSX Stuff -mountpoint /stuff The intention is to create a case-sensitive volume, and have it ...
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Files corrupted after converting HFS+ volume to encrypted APFS

Recently I attempted to convert a (non-boot) hard drive I use for backups from HFS+ to APFS (encrypted). I started by converting the drive to APFS (not encrypted): diskutil apfs convert /Volumes/...
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APFS: Snapshot is invalid

Running fsck_apfs reports an error checking my main disk: root@bix ~ # fsck_apfs -n -l /dev/disk1s1 ** Checking the container superblock. ** Checking the EFI jumpstart record. ** Checking the space ...

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