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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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13 views

How can this folder be 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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67 views

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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31 views

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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57 views

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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68 views

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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70 views

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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134 views

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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42 views

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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66 views

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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2k views

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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128 views

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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84 views

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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205 views

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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92 views

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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1answer
40 views

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 ...
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Re-install MacOS (High Sierra) with terminal

This may be a bit of an open-ended question: I am would like to do an OS reinstall of High Sierra, but block it from converting the disk to the APFS format. This would necessitate the use of terminal ...
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161 views

Where can I find the APFS format documentation / volume specification?

One of my favorite Mac apps, DiskWarrior, has been waiting for the APFS format documentation (also called the APFS volume specification) for a while, in order to make a new program version which can ...
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315 views

Is there any way to disable APFS local snapshots?

APFS local snapshots are generally a pain for me, especially on some of my systems with small internal drives. All of my systems have Time Machine backups and the hourly backups it performs are more ...
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96 views

Why is encrypted APFS on SD cards so slow?

When writing any data to SD cards, the operation is usually very slow compared to other kinds of media (up to tens ob MBytes/s). However, when using an encrypted file system on the SD card, such as ...
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42 views

Cloned SSD After prohibition symbol - files lost?

After getting a prohibition symbol about four weeks ago I cloned my internal SSD to an external APFS drive and got the error message "APFS inverter failed to invert the volume - invalid argument". I ...
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1answer
95 views

How to resize (grow) APFS partition that is at the end of the drive?

[new info below post] -- I'm having trouble resizing an APFS partition on the 240Gb SSD in my Mac. I want to make all space available to the system partition "Macintosh SSD". Output of diskutil list: ...
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1answer
81 views

Why Apple partitions the SSD drive this way, and which partition should I removed?

I am planning to reformat both of my drives in my 27 Inch iMac (mid 2011), and I have a question about the way the SSD is partitioned by Apple. Why are there are three tiers in my SSD? I don't want ...
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441 views

Cannot resize APFS partition - “The new size must be different than the existing size”

I have a 1TB SSD on macOS High Sierra 10.13.6 with the following APFS partitions: $ diskutil list /dev/disk0 (internal): #: TYPE NAME SIZE ...
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47 views

How to change the boot order of APFS volumes? [duplicate]

I recently set up a new APFS volume to support dual boot for the macOS Catalina beta alongside my Mojave install. Unfortunately, this new "beta OS" volume seems to have set itself up as the default ...
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2answers
613 views

APFS on external drive missing from Disk Utility

When I use Disk Utility app in macOS Mojave to format an external drive, I do not see the new Apple File System (APFS) offered as a choice of format. Does it matter that my external drive is a ...
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130 views

Unable to open files recovered from ContainerToInvert

It's been a week that I have been trying to recover files from ContainerToInvert after having to recover and delete my main hard drive. Now after using this side: Can ContainerToInvert file be ...
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Can anyone help me figuring out what's wrong with my drive structure?

I've realized something is wrong with my disks/drives/partitions structure when I tried countless installing Windows via Bootcamp but it would always fail. Please take a look at what I have: This is ...
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63 views

Computer Froze, Now Raid over iSCSI (APFS Format) is no longer mountable. GPT/MBR not present

I was exporting video in Premiere and the computer froze so I had to restart. Upon restarting, I noticed the raid drive I connect to over iSCSI was not showing up on my desktop. However, it appeared ...
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755 views

unable to find Paragon NTFS for Western Digital(WD) external drives

I have had Paragon NTFS 15's free version for Western Digital Drives. Just like Seagate offers. Somehow I had to erase my MacBook Pro and the software has been deleted. So now I am unable to find it ...
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Unable to view Trash on APFS-formatted external drive

I am on macOS Mojave running iTunes with its library stored on an external drive. Both my main machine and external drive are formatted in APFS. When I delete a song on iTunes, the file never gets ...
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How to prevent auto mounting of encrypted APFS volumes by diskarbitrationd

running 10.14.5 on a 2019 iMac. diskarbitrationd is responsible for noticing the appearance of new block devices and mounting them. this kind of auto mounting can be prevented by configuring /etc/...
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Question about custom partitions, VeraCrypt and APFS

After a couple of years of delay, I've upgraded to High Sierra. Now, I have an external disk used for backup, with the following layout: /dev/disk6 (external, physical): #: ...
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1answer
60 views

161gb not appearing on diskutil after deleting second OSX partition

I deleted my second OSX partition and I'm missing 161gb of space. It's not appearing on diskutil or Disk Utility. I have to keep the Untitled2 partition because it stores files I need. diskutil list ...
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49 views

How can I prevent files emptied out of the Trash from accumulating in “purgeable space”?

I'm having the same problem as the person who asked this question: I cleared a bunch of files out of my Trash and instead of getting free space on the volume, I got 30 gigs of "purgeable space". ...
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212 views

APFS Container Disk & APFS Container Scheme Mismatch - Cannot Resize

I have an issue where I screwed up my partitions by removing a PC formatted partition, and it did not recombine itself with my overall partition. Issue happened because I got a new SSD, loaded my mac ...
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351 views

MacPro, APFS, Bootcamp Startup Disk

Has anyone used brigadier to get a more recent Mac's bootcamp installer and extract whatever bits allow APFS volumes to show up in the startup disk selector in the bootcamp control panel under windows?...