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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Should I use APFS for mechanical hard drives (for the startup drive) in Macs?

What's the recommended formatting for a startup HDD Mac drive? I guess HFS+ is a better option as APFS is more suited for SSDs? Any recommendations much welcome.
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MacBook filesystem FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF after deleting linux partition [duplicate]

So I have MacBook Air late 2015. I’ve been using bootcamp for a while. Yesterday I installed rEFInd to use triple boot for Linux. Made partition for Linux. Later I decided to delete this partition ...
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Join two SSD in one APFS volume

I had two physical drives in a Mac mini, now they are SSD as I upgraded the old HDD. Could two SSD be merged into one virtual drive? Would it better to make a volume group as I’m in Catalina macOS? ...
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How to claim free disk space in APFS after deletion of huge amount of files?

Given: Macbook pro 13 Inch with MacOS 10.15.1 (Catalina), 500 GB SSD built in. Hard drive had 34 GB of free disk space according to diskutil and df -h. Wanted: get more free disk space. Problem: not ...
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Dual boot with Windows 10 on 2011 Macbook Pro with APFS

I have been able to successfully dual boot a 2011 Macbook Pro with Windows 10 before when OS X still used the HFS file system, but things have obviously changed with how the system boots with APFS. ...
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macOS Catalina 10.15.1 suffers from extremely high application start up time

After I reboot my computer, it will take a really long time to start up applications (e.g. chrome, pdfexpert) for the first time, maybe about 15~30 seconds. This delay disappears with subsequent re-...
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How to install Ubuntu on original APFS Mac SSD?

I have a 2015 MacBook Pro 12,1 and I replaced the original 128GB SSD with an OWC Aura X2 1TB SSD. I was able to put the original 128GB SSD in an enclosure that they provide. I would like to use this ...
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How can the internal SSD be cloned onto an external 1 TB SSD (for swapping)?

I want to clone my internal 500 GB SSD onto a new 1 TB SSD which is going to replace the internal 500 GB SSD in my MBP. Currently the 500 GB SD is partitioned like the following: /dev/disk0 (...
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How to create a disk image from an APFS volume?

I have an APFS encrypted 1TB SSD that I pulled from my now-dead MacBook Pro. I placed the drive into a USB dock and can mount it fine after entering the disk password. I cannot, however, take an ...
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Conversion journaled to APFS under Mojave

I would like to update from Mojave to Catalina. MAC is late 2012 and OS is Mojave 10.14.2 Update fails because SSD is not APFS. I have read disk can be converted, using Disk Utility in recovery ...
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APFS Physical Store - no volumes

I'm having a nearly identical issue as posted in the thread here: APFS system volume gone after Macbook Air logic board failure - I have an APFS container with no volumes listed. However, in my ...
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APFS Container ERROR -69808

I'm attempting to recover data from an APFS volume. Running diskutil apfs list returns the following: +-- Container ERROR -69808 ====================== APFS Container Reference: disk5 ...
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What is a good replacement for the 'df' command that is broken on macOS Mojave?

The 'df' has been my tool of choice to investigate how much free space I have on my disk. But with APFS, TimeMachine local snapshots and all that, it has become unreliable. I.e. after removing a lot ...
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How do you create an APFS volume inside an ordinary file?

Normally in the Disk Utility you need to select a device. Is it possible to create an AFPS volume as an ordinary file in other filesystem? And if so, how would that be done?
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Can Mojave be installed on separate APFS volume under Catalina?

I am running Catalina as my primary OS but am finding that I'd still like to run some 32-bit apps. Is it possible to create a new AFFS volume, install Mojave and simply run a dual-boot system? Things ...
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Catalina: How do we move the home folder to external HDD with iCloud Drive working?

I updated my Mac Pro to Catalina, I have 2 user accounts set up while one user's home folder is on the internal SSD, and the other user is on a external storage hard drive. For years I had been using ...
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Mojave: Unable to resize APFS container

On my macbook I had wanted to install Ubuntu so a while ago I had created a partition and installed it to half of my drive. I ended up not using the distro and wanted to reclaim the space. I tried ...
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Internal HD not mounted after upgrade: Encrypted: ERROR -69808

I am asking for help on getting back into my MacBook Pro. I finally allowed a software update. I was a bit careless and didn't check what was updating. The account refuses my password, so I hold down ...
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Encrypted APFS drive will not mount, RepairVolume reports disk OK

I had to encrypt an external backup volume while traveling. Unfortunately, now the drive will not mount. It shows up in diskutil and RepairVolume shows the volume being OK. Despite the passphrase ...
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How to recover apparently missing directory and data from APFS volume? `found zeroed-out block`

TL;DR — My APFS volume appears to be partially corrupted and missing my user directory, /Users/jivan. How can I recover it? Update 2019-11-14 I didn't need to discover the IDs of my files in the ...
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Create and encrypt volume group on backup drive

Currently, both Carbon Copy Cloner and SuperDuper! suggest to start from creating backup to unencrypted disk, then boot from encrypted disk and enable FileVault on it. I've ran into couple issues with ...
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How can this folder be significantly larger on disk than the sum of its files?

I'm using an APFS-formatted drive under macOS 10.14, and I have found that various folders on my hard drive read like this when I use Get Info on them: 2,959,512 bytes (4.1 MB on disk) for 19 items ....
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Snapshot hell? Unable to free space on macOS Catalina

Like many others I am unable to clear up space after deleting files. I tried clearing snapshots: # tmutil listlocalsnapshots / Snapshots for volume group containing disk /: # tmutil ...
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APFS partition error

So I've searched for a while and found several answers but I don't want to take a chance with the wrong command and wipe data so I'd like instructions specific to my case please. I resized my ...
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Can't convert to APFS in Mojave

Just bought a mid-2014 MBP from ebay and I tried to update to Catalina but it said I need APFS to do that. I tried disk utility but the option is greyed out. I NEED a way to do it non-destructively. I ...
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Is there a way to create APFS snapshots on external drives?

There are many guides explaining how to create and manage snapshots on APFS via tmutil, but all of these seem to only work within the framework of Time Machine local snapshots. Is there any way to ...
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Diskutil won't resize APFS container Error: -69521

200GB unused, but can't change APFS container size due to minimum requirement I've got this exact same problem here, same error, same message, I tried everything in there already but nothing ...
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Is there a way to force `apfsd` to defragment all the files on a disk?

As I understand, HFS+ and APFS volumes don't need to be defragmented, as files will automatically defragmented by the OS, but I'd like to leave a process running in the background that would do this ...
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Bootable SSD and converting to APFS

I boot my iMac from an external SSD, which is a clone of my main HDD, running Mojave. I had no issues before, recently with the Catalina being released I downloaded the update and when I choose my SSD ...
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What can I do when macOS does not boot an APFS volume anymore and I cannot unlock it?

I have an SSD, which until this morning I booted from through an usb3-to-sata adapter. I shut the computer off, removed the drive and came back to the Macbook hanging on a black screen when trying to ...
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mac merge 2 apfs containers, free container is not first on disk

I got a used macbook pro off of ebay. The previous owner had a recovery image taking up 420G on a separate containers. I am trying to merge the containers, but the system does not like it because ...
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How to get write access to High Sierra (APFS) drive in Read-Only mode on Macbook with faulty AMD GPU

Some background: My 2011 17" MacBook Pro (running High Sierra) has finally succumbed to the Radeon issue and won't boot up. I know this because it would flicker green where there was pixel shading so ...
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Accessing unmountable APFS Volume on a disk image

I have run into trouble with APFS. I have an external hard drive (spinning plates) with two partitions. Some time ago one of these partitions stopped being mounted. Neither Disk Utility nor running ...
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370GB unused but cannot shrink APFS container

200GB unused, but can't change APFS container size due to minimum requirement I would like to shrink my APFS container on the macOS side to 100GB so that I can allocate more storage to Bootcamp. ...
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Why does conversion of non-bootable hfs+ external drive to apfs fail (on macOS Mojave)? com.apple.DiskManagement error -69888

The attempted conversion is failing. Does anyone know why? Disk Utility.app error: Converting “mySSD” to APFS Converting HFS Volume to an APFS Container which will export one APFS Volume The target ...
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new SSD - APFS not in list of options for format

I just put a new SSD in my 2011 Macbook Pro. I booted into Internet Recovery (CMD+R), ran Disk Utility and followed the instructions to go to 'erase' and format as APFS. Unfortunately, the 'Format' ...
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Mojave guest OS on Yosemite Host via Parallels Desktop 10

I can't get to the welcome choose your country screen when installing Mojave virtualised via Parallels Desktop 10 on my Yosemite system (MBP Retina 2015). I downloaded the 6GB Mojave '.app' file as ...
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Is APFS an appropriate format for flash drives (“thumb drives”)?

When using Disk Utility to format a cheap slow thumb-drive (USB flash drive), is Apple File System (APFS) now the appropriate Format to choose over the Mac OS Extended (Journaled) that previously was ...
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How to set a different encrypted boot volume without unlocking?

I have two MacOS installs as part of a dual-boot configuration on my MBP. Both happen to be Mojave 10.14. They are installed on two encrypted APFS volumes in the same APFS container. I want to be ...
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Unlocking APFS volume window doesn't accept input

After upgrading macOS to from 10.11 El Capitan to 10.14 Mojave and with that got the main disk converted to APFS (and also encrypted), the computer cannot be booted. Boot screen shows a white ...
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What's /System/Volumes/Data?

New mac user here (Linux background). I'm running macOS Catalina (Beta5). I've noticed there are 5 volumes in my main disk container. One is mounted at /, that I understand, it's the system, another ...
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How to fix a Damaged APFS disk?

I have an issue with a 1TB 850 Evo, serving as an external disk in a SATA enclosure. I would Really like to recover the data I have on it so any help would be greatly appreciated. The disk has been ...
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APFS system volume gone after Macbook Air logic board failure

I only have partial information, and do not 100% know the exact OSx version or how full the drive was, but I think it was pretty topped out. No recent backups, important data, and I have already put ...
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Very slow write performance 30min+ for 2GB - APFS?

Yesterday I have been working with Docker on my MacBook Pro 2012 which runs Mojave and the internal drive has been automatically converted to APFS (seems to be so for startvolumes since Mojave). It ...
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APFS encrypted volume, how to get actual free disk space

I have a APFS volume running macOS Mojava. When I right click on the volume and click Get Info it shows: Which in iteslf is confusing because available says 73.99 GB, but used shows all the disk is ...
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Can I make snapshots of an APFS non-bootable volume?

I have a Samsung FIT external drive with two partitions. One is ExFAT for interchange with Linux Systems. The other partition is APFS (Encrypted). I would like to backup the APFS volume using ...
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How to Mount extended case-sensitive journaled volume on APFS directory, permanently if possible

Source: /dev/disk0s3 UUID=894D79A6-40BD-306A9784-BEBAB444B1A hfs, local, journaled case-sensitive Destination: /dev/disk1s1 UUID=F692F645-EE36-3CD6-AC09-BCD8FFCC6F3C apfs, local, journaled ...
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Why is my iMac able to write to an NTFS external drive but not my MacBook Pro

My iMac (standalone desktop running Mojave) which is formatted as APFS is able to read and write to my Seagate external drive (which is formatted as NTFS). Yet my MacBook Pro (which was formatted as ...
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Is there a way to go back to a previous state of an APFS Partition on an external drive?

My question sums it up. I would like to go back in time on a partition on an external drive which is formatted on APFS. Decrypting a VirtualBox image, VBox crashed (as it does all the time in Mojave) ...
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How to use `tmutil compare snapshot_path`?

man tmutil shows compare [-@acdefglmnstuEUX] [-D depth] [-I name] [snapshot_path | path1 path2] If a snapshot path is provided as the sole argument, tmutil will compare the computer to the ...