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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How can I mount a partition to a custom directory only?

I have a PCIe SSD in my 2019 Mac Pro that I am using for running a server. Using vifs in the Terminal app, I've edited /etc/fstab to add this line: UUID=B3CDE3B6-C597-407B-8A43-A2324C50427C /var/my-...
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What is APFS “Disk User” and how to add multiple crypto users via diskutil?

I recently learned that it is possible to encrypt an APFS volume within a container from the CLI using the diskutil command like so: diskutil apfs encrypt -user disk disk3s1 where disk3s1 is the only ...
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Big Sur Filesystem: APFS Snapshot Nested in main HD drive

I am running macOS Big Sur, and noticed my filesystem was behaving differently than I had ever seen. Most notably, the nested hard drives with an APFS Snapshot nested within the main HD. Furthermore, ...
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Catalina system and data volumes with “find”

I sometimes find it useful to be able to search my entire hard disk with the "find" command, but I want to exclude all volumes on external drives. I have a script that I use in lieu of the &...
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Unallocated Space after BootCamp not restored to main HD

I am unable to reclaim 1 TB of Unallocated Space to my main HD. Neither Disk Utility or BC-Assistant succeeds in restoring it to a single partition. The underlying issue (after running sudo diskutil ...
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Delete unrecognized afps local snapshots

When using diskutil list in Recovery, I can see 20 disk images that are certainly localsnapshots from Time Machine. I need to remove these disks so I can use Bootcamp Assistant. I have disabled Time ...
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Merge missing disk partition on a Macbook

I tried to install a Linux distro on a partition in my macbook, but it didn't go well so i want that partition to merge it to my main partition of the OS, but in the disk utility doesn't appear. If i ...
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Expand APFS container using free space located before the container within macOS

I have an SSD (disk0) that contains my macOS Mojave installation. SIP is enabled (and for reasons outside my control, cannot be disabled) so I cannot give the output for gpt -r show disk0 nor can I ...
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Trying to recover APFS (Sorry I know this has been posted about 1x10^x times)

Early 2013 MBPr OSX 10.? APFS (Sorry don't know the exact release, don't boot OSX all that often anymore) - What I broke, also don't see any local recovery. Kali Linux - Bootable via rEFInd Windows 10 ...
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Free disk space under APFS

I upgraded today from Sierra to High Sierra (yes I know it's old but I have audio hardware that won't work on newer systems). As part of the migration, it changes the HFS+ partition to APFS. I have ...
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Why can't I just dd an entire APFS disk?

I've received a new Mac that has come preconfigured with lots of junk. Naturally, my first order of business is to wipe the disk and clean install macOS. But first, I want to create a bit-perfect, ...
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is there a way to disable a drive bay from the command line?

Regarding a previous question I asked a while ago: Macpro 5,1 mid 2010 cannot boot to Mojave from Mountain Lion? I am wondering, is there any sort of default writes or other software solution which ...
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What made my Mac case sensitive?

I posted the following question: Time Machine fails to backup indicating case-sensitivity What made my Mac case sensitive all of a sudden? Should I go restore from my TimeMachine backup during the ...
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In a Macbook, I'm ready to change the boot disk and replace the superdrive with an SSD. How will Migration Asst work? Use APFS?

In a mid-2012 MacBook running Catalina, I'm first going to replace the DVD SuperDrive with an SSD. Boot-up and then make sure the drive is recognized and wifi, Bluetooth, camera, etc. still work. ok. ...
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Workarounds for “cp -p” not preserving nanoseconds on High Sierra with APFS?

I don't know if this affects MacOS versions newer than High Sierra, but it seems that cp -p won't preserve timestamps with nanoseconds resolution. Because of this, the shell can wrongly tell that a ...
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Will enabling FileVault convert my HFS+ disk to APFS?

I have a 2017 5K iMac running Mojave 10.14.6. It has a 2 TB Fusion drive internally formatted as HFS+. FileVault is not enabled, but I wish to do so. Will the disk have its format changed to APFS ...
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Can't delete files from APFS volume — no space left on device

My Late 2012 iMac's APFS Fusion Drive is full (53 KB free) and caused the system to freeze. I've rebooted into Recovery Mode but I cannot remove any files: rm XXX: no space left on device. fsck_apfs ...
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Extra disk with 0 byte of storage showing on mac

I have a 2017 MacBook Pro 15". I recently removed a windows partition. Now the disk utility is showing an HFS+ volume with 0 bytes of storage. I tried to remove it using disk utility, recovery ...
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APFS - Catalina - Increase the size of a container

I have a 4TB external SSD. Running Diskutil I get /dev/disk3 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme ...
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Repair APFS partition with damaged / zeroed-out header

This incident occurred a few months ago, so you will have to forgive my poor memory. Please let me know if anything needs clarification. I had a Dell Latitiude E6410 that I was using as a hackintosh (...
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How can you create a valid/reliable disk image of APFS drives?

Last year before Catalina was released, I tried to perform a disk image of my boot drive of Mojave (macOS 10.14) on a new computer before updating and customizing it. I have done this for years to ...
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MacBook-pro Internal PCIe Samsung 512g SSD no longer recognized on MBP (mid 2015 15" A1398) after crash and hard reset

Short version: Need help finding, diagnosing and fixing the internal factory installed Samsung SSD that has vanished after hard reset. Trying to retrieve data or avoid data loss with whatever options ...
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Time Machine orphaned snapshots

For the last few days no Time Machine backups have reached completion, either to a Time Capsule or to an external disk. The former starts backing up, shows some progress (a certain amount of GB copied)...
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APFS Containers - Encapsulation and Safety

I'm eager to use Containers not Volumes on APFS to add beta versions of macOS to my dev machine. I want as much separation and encapsulation as possible because I don't want the OS's to interfere with ...
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Corrupt internal APFS Catalina disks can’t boot & be removed

Internal disk (disk0 & disk1 APFS) and internal PCIe (disk2 & disk3 APFS) are corrupted. Currently booting from an external usb thumb drive (disk4 & disk5 APFS) and I can’t seem to erase/...
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Is there a downside on using APFS on a conventional HDD when using macOS 10.13 or later?

I'm using Superduper to make a copy of my system disk to an external conventional harddisk (HDD, not SSD). Superduper wants to convert the disk to APFS. Until now I've used HFS+. Is there a downside ...
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Cannot expand APFS container: “The target disk is too small for this operation”

I have two partitions on my main drive, and I deleted the first one. Here's what I have: root@Joys-MacBook-Pro /p/v/root# diskutil list /dev/disk0 (internal): #: TYPE NAME ...
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Mounts showing up in Finder even with 'nomount' option in /etc/fstab

I have an APFS volume I mount in my home directory for some extra apps, and when I mounted it with nobrowse in /etc/fstab, it seemed to work fine. However, after enabling Time Machine, the nobrowse ...
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Duplicate the volume where macOS is installed and make it bootable

I use my computer for work in software development. I have a new client that wants to install some special security software on my mac but I don't want to get that installed on my main operating ...
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dd from dvd to apfs on Catalina is writing very slow

I did dd if=/dev/disk2 of="disk 1".iso bs=1m where disk2 is a DVD video. After about 30 minutes, dd spewed out the usual message of 7662+1 records in 7662+1 records out 8034680832 bytes ...
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APFS vs Mac OS Extended (Journaled) for Time Machine Backup on external HDD

Which one between APFS and Mac OS Extended (Journaled) performs better as partition store type for Time Machine backup in an external HDD (Magnetic Storage over USB connectivity)?
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APFS vs Mac OS Extended (Journaled) for external HDD

Which one between APFS and Mac OS Extended (Journaled) works better as partition store type for an external HDD (Magnetic Storage) that will be accessed over USB from macOS only?
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Install backup of my old Mac on my new one

I got a new MacBook Pro with Catalina on it. I made a APFS formatted Copy of my old Mac and want to install it on a separate Partition on my new MacBook Pro so that when I start the new MacBook I can ...
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APFS Partition Encryption Just… Disappeared?

When I installed my new hard drive (Samsung 860 EVO 500GB SSD) in September on my mid 2012 13-inch Macbook Pro (running Mojave), I also set up a partition to store sensitive files. The partition is ...
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Is it safe to close laptop while “Shrinking APFS Data Structures”?

I just learned that the "shrinking APFS data structures" phase of creating a partition on a mac can take many hours, often overnight and I need to go from one place to another but I started ...
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Can't delete files on sparse bundle apfs volume (“rm failed - no space left on device”)

I have a sparse bundle with an apfs volume on it. I recently filled it up with an rsync operation. Since then I cannot delete files anymore; the rm complains that the disk is full. The same happens if ...
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Bootcamp failing with “cannot create partion” and corrupting APFS container

My issue is similar to this one, Bootcamp says Disk Could Not Be Partitioned on Catalina Version 10.15.2 I'm on a 2019 iMac i9 27" with a 3TB Fusion that's been formatted with Catalina and APFS ...
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Copy apfs system partition to another mac

I have a MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports) that has broken keyboard and battery, so I will need to send it to Apple Store for service. I have another MacBook Pro with similar specs ...
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Finding Volume Label and Understanding the APFS Partition

I would like to understand the Format Partition APFS on Linux Side. I made this question https://unix.stackexchange.com/questions/597308 I have a USB External SSD with 4 disk partitions. The file ...
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Can I force merge a Catalina “- Data” and system Volume?

We're all familiar with the "Macintosh HD" and "Macintosh HD - Data" layout. I don't know what my customer did but he has both Volumes intact but the firmlinks are gone. They are ...
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Big Sur beta on external disk vs internal disk?

I've read this question: Remove macOS from a APFS container? and this question: APFS - Is it possible to install 2 macOS versions inside one APFS container? It seems there is a little bit more mess to ...
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Cannot resize APFS container even though there is a free space directly after it - diskutil error: -69743

I upgraded to a larger SSD (120 GB to 250 GB), and copied my existing mac SSD to a larger one with dd (clonezilla live usb). It is a hackintosh with a latest OpenCore 0.5.9. However, I cannot resize ...
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Cannot resize APFS container after updating to Big Sur

I've installed Big Sur beta 2 and tried to use Boot Camp Assistant but I got the error "disk could not be partitioned". Also tried to partition manually but "a problem occurred while ...
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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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