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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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Unable to mount AFPS disk cloned with dd (no mountable file systems)?

We have a laptop that won't boot up correctly, however, we're able to get it into target disk mode. I did a diskutil list and I saw there was an [external] disk (which listed a single AFPS partition ,...
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Corrupted APFS partition?

I have Sierra (HFS+) and High Sierra (APFS) on different partitions on my mac. Unfortunately, High sierra won't boot anymore. I have no idea why that happened. Tried to boot using Sierra and checked ...
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Copying files from APFS to Mac OS Extended too slow

I'm using NVME SSD (APFS) as my main boot drive. I also have USB 3 External SSD (Mac OS Extended Journal). I just tried to copy 40GB files from APFS to mac OS Extended and it took 15 mins. It's ...
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49 views

APFS Volume not claiming available APFS Container space

I'm at my wit's end with this, and I can't find anything about it in documentation or questions, so I thought I'd ask one. I had an APFS Fusion Drive that included two drives: (120+500) GB. I cloned (...
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Mac mini (Late 2014) fails to restart on Mojave from external disk

I boot from an external USB SSD, Samsung T3. During a PWR/OFF PWR/ON cycle the machine boots from the correct drive, according to the selected startup drive in System Preferences. However, when ...
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1answer
34 views

Resizing a partition to increase into space before itself

Simple Explanation: Expanded Explanation: All I want to do is delete disk0s9 and have disk0s4 resize and take up the empty space. I want to Delete container disk4 (disk0s9). I don't want the ...
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APFS encryption problem - two external disks stuck at 10%

macOS 10.13.6 (High Sierra) both disks are seagate 4TB (each with less than 1TB used) I foolishly decided to encrypt both my external hard disks (that hold the same data) simultaneously. I worked ...
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42 views

Is it possible to recover a deleted APFS volume?

Nothing’s been changed or formatted. The “container” is not mounted and the volume I accidentally deleted still shows up in the Boot menu at startup. How would I go about recovering this APFS volume?...
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APFS encryption passphrase questions

Out of curiosity, I have a couple of questions regarding APFS passphrases. Using diskutil I found out that each APFS encrypted volume includes several cryptographic users, which at least in my system ...
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And yet another… corrupted partition table

I have an external hard drive that has two partitions and one of them is not being mounted. The one that is not being mounted has data I would like to recover. Right before the problem I had installed ...
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How to fix misnamed filesystem in GPT?

I restructured my drive in Windows messing up my partition table as the software I used did not recognize apfs. In Mac recovery mode disk0s2 is recognised as a Linux Filesystem. It won't let me run ...
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33 views

Should I create APFS encrypted disk image on hard disk drives?

I'm about to create an encrypted sparse disk image on my HFS+ formatted hard drive, but then I wondered if APFS's drawbacks on HDDs will mean anything in this case, since the hardware is anyway on HFS+...
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Can an APFS volume be moved?

I have two APFS volumes on one disk. I wanted to shrink them to make a new volume for Bootcamp, but shrinking each one has left the free space separated. Is there a way to move the second volume ...
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APFS volume won't boot after mouse driver install

iMac recently updated to High Sierra and at same time, boot volume migrated to APFS. Installed compatible driver for my Evoluent mouse (which did ask for a Security 'Allow") and following reboot, Mac ...
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1answer
62 views

How to mount an APFS volume as a user's home directory?

TLDR; I can mount an APFS volume on /Users/foobar, where foobar is not an actual user, but mounting fails when trying to mount to /Users/newuser, when newuser is an actual user. BACKGROUND: I'm ...
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Difficulties Reinstalling Windows on bootcamp with APFS

I installed bootcamp a few years ago and now Windows is pretty hosed so I want to do a fresh install. Apple says to delete the bootcamp partition in bootcamp assistant (BCA), and then redo it. issue ...
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Reclaiming occupied space

A MBPro with a 250GB running the latest Mojave suddenly went from 100GB+ of free space to 5GB and is warning us about running out. Looking at About>Storage>Manage, it seems most of the occupied space ...
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Disk format for HDD with both APFS and HFS+ volumes

For a HDD which will have both HFS+ and APFS volumes, is it better to format the disk itself in Disk Utility (on High Sierra) as APFS or HFS+?
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APFS and HFS+ volumes on the same partition

I wish to have two volumes on a drive (not SSD); one HFS+, one APFS. Would it be better to have these on an HFS+ partition or APFS?
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1answer
217 views

APFS Encrypted vs APFS + FileVault?

I upgraded the SSD in a Mac Mini and I'm reinstalling Mojave via internet recovery. The disk is completely erased right now, and when creating a new partition it asks me if I want to choose APFS or ...
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1answer
43 views

How to remove a container disk and reclaim space with main partition?

I used to have a bootcamp partition but somehow while attempting to remove it its changed into a container disk. (don't know how this happened, I didn't explicitly create a container). diskutil list: ...
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1answer
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I erased an APFS Volume containing a second OSX installation (trying out Mojave) but my Mac keeps trying to boot into it

I added a Second Volume to my Main APFS Container to install and try Mojave (I'm running High Sierra). I decided that Mojave is not for me and I erased the volume from Disk Utility. My Mac still ...
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1answer
105 views

Creating mountable snapshot view in macOS

I'm used to backup my user's home using rsync. However, I now have data (eg, running database) that shouldn't be backed up while being changed, and I'd like to keep the applications changing them ...
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Unable to format internal drive as APFS on 2018 MacBook Pro

I’ve recently ran a semi-routine clean install on my 2018 MacBook Pro. This involves the following steps (in the given order): Creating a USB installer with the latest macOS Mojave 10.14.2. Booting ...
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1answer
73 views

MacOS, how to get folder size (physical size on disk)

Ok so I have a large folder on disk see the image below You can see it says the size of the folder is 8.46GB however this is mostly source code, and I think file system will be using file compression ...
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Resizing APFS partition stuck on “Checking the object map”

I attempted to add a partition to my boot drive in macOS High Sierra. In the process, Disk Utility was going to resize my Container disk1. The boot partition is APFS and is in that container. On the ...
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473 views

How do I split Fusion drive on Mojave / APFS?

I have a 2013 iMac (27" 3.5GHz i7, model id iMac14,2, EMC 2639) that has a Fusion drive. I want to replace the Fusion's internal HDD with an SSD. My understanding is that I should split the Fusion ...
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1answer
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How Do I Create A VirtualBox VM From An Existing macOS Mojave APFS Volume?

I saw a related post but the instructions were specific to VMware Fusion, which I am not using. With Carbon Copy Cloner, I created a bootable backup of the existing macOS Mojave installation that I ...
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1answer
86 views

How can I partition my disk?

I have a macOS Mojave (10.14.2) and I would like create a 20 GB MS-DOS (FAT) partition on my 128 GB APFS disk. But Disk Utility constantly gives me an error: My Time Machine is turned off: My ...
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1answer
206 views

How can I merge primary APFS partition with other empty/free space APFS partition?

I am using MacOS Mojave. Below is the diskutil output There is 150 GB of free Space. After executing the resize command, I am seeing Error 69519. How do I merge the free space with disk0s2? ...
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1k views

Resize APFS partition in Mojave

I'm attempting to resize a partition that's too small for my needs. Here's the output from diskutil list: ~> diskutil list /dev/disk0 (internal): #: TYPE NAME ...
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1answer
303 views

200GB unused, but can't change APFS container size due to minimum requirement

I want to create a partition with a different filesystem but in order to do that I need to resize my APFS container. This container has 292,4 GB used space. Its minimum size is 500,07 GB. This ...
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121 views

External drive APFS encryption secure?

I just erased a newly purchased external USB disk using the Disk Utility program and set it to use the file system APFS Encrypted. I entered a strong password and the whole process took about a minute,...
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ERROR -69620 on APFS encrypted disk

I have an external hard disk encrypted by APFS $ sudo diskutil apfs list APFS Containers (2 found) | +-- Container disk1 ... | | +-- Container ERROR -69808 ====================== APFS ...
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How do I fix hard disk “Error: -69845: File system verify or repair failed”

How can I resolve the Error: -69845: File system verify or repair failed error I'm getting when trying to verify my hard drive? So far these are the steps I've taken: In Terminal I ran: diskutil ...
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APFS Container corrupt after resizing Boot Camp partition from Windows

I have a bad problem. I shrunk my APFS volume from 850 GB to 750 GB so that I can expand my NTFS Boot Camp Volume from 150 GB to 250 GB. After shrinking everything worked fine. Then I started Boot ...
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1answer
600 views

Yet another corrupted partition table on macOS Mojave

I've seen a couple of posts on here addressing similar issues. Since I don't have in-depth understanding of what went wrong I have to describe what happened in my case and hope you'll help me. Thanks. ...
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Mac startup drive vanished after hard reset

The machine in question is a 2015 model 5K iMac running Mojave. It has a fusion drive that had a partition for OS X and a partition for Bootcamp running Windows 7. I went to restart and it seemed to ...
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1answer
56 views

Time Machine snapshots become dataless

Why are my Time Machine local snapshots appearing "healthy" in the Terminal window and then a few hours later, the same snapshots are suffixed with "dataless". Then, no more snapshots are added. I ...
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1answer
77 views

What data repair and recovery options exist for a missing APFS Volume?

I am using an OWC Envoy Pro enclosure with an Apple Samsung SSD out of a 2015 MacBook Air. It's plugged into a 2017 iMac 27". The External SSD) randomly gets ejected and as a result of this random ...
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2answers
427 views

Has Apple finally included APFS support for traditional hard drives in the latest update for macOS 10.13.1?

macOS High Sierra comes with a new file system APFS, now according to official notes APFS for now only supports modern SSDs. My Mac runs on a traditional rotational hard drive and according to Apple ...
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1answer
170 views

Mac randomly crashes, main boot volume disappears

Retina Macbook from 2017 running Mojave here. Every few days, my mac suddenly and randomly freezes (sometimes at times without user input) and crashes. When it tries to boot again, it fails and ...
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302 views

How can I convert a case-sensitive APFS partition into a case-insensitive one?

I want to convert my case-sensitive partition to case-insensitive on MacOS Mojave The only solutions I've found is iPartition (which is discontinued) and ideas on how to do this for HFS. Does ...
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1answer
215 views

135GB of Hidden Space + Snapshot Metadata Tree Invalid error in Disk First Aid

I have a serious problem with "Hidden Space" eating up my hard drive. I'm running High Sierra on a mid-2013 MacBook Air "Core i7" with a 500gb ssd. The last few weeks, something has to been ...
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3answers
935 views

How to delete all local TimeMachine snapshots

I have automatic backup enabled and local TimeMachine snapshots take a large amount of disk space. This space is listed as purgeable in disk info, but cannot be actually used until the system decides ...
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0answers
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How to rebuild a GUID partition table in a APFS file system SSD?

I looked at other answers for similar questions but not one works for me (maybe because the APFS). I have an external 1 TB SSD with two APFS volumes. Somebody plug my hard drive into a Windows 10 PC ...
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1answer
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Is it possible to roll back to the last saved version of a file in mojave?

I am not sure if I read that APFS functionality correctly but I have read that Mojave stores a kind of file time machine and that I could browse previous versions of files on the filesystem. I was ...
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Recovering GPT from a failed Mojave upgrade

Background: My partner decided to upgrade her work iMac to Mojave. Apparently, towards the end of the process, it hung on a black screen, said an error had occurred and would try to recover. It cycled ...
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2answers
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Mojave requires OS reinstall on restart or power on. MACH Reboot type 14 = page fault. Screenshot

SPECS: Computer: MacBook Pro (Retina, 15-inch, Mid 2014) MacBookPro11,3. Memory: 16 GB 1600 MHz DDR3 HD: 1 TB APPLE SSD SM1024F Apple_APFS GRAPHICS: NVIDIA GeForce GT 750M 2048 MB Intel Iris Pro ...
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1answer
78 views

What is the correct way to eject a APFS dmg from the command line?

Create a APFS DMG using Apple's Disk Utility application and call it test_apfs.dmg. One can mount it with: hdiutil attach -plist ~/Desktop/test_apfs.dmg which provides the following output: <?...