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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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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2answers
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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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1answer
337 views

Missing HDD space after diskutil command

I wanted to merge 2 partitions disk0s2(unused space) and disk0s4(OS volume) My disk looked like this: /dev/disk0 (internal, physical): #: TYPE NAME SIZE ...
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1answer
184 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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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
366 views

Reset and reformat external SSD to APFS

I have got this 256GB external SSD that I had divided in two partitions with 2 bootable versions of macOS: 10.11 in one partition and 10.12 in another. Now I want to just have one APFS partition, but ...
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2answers
150 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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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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1answer
812 views

Reclaim removed APFS partition disk space

I've tried to use a case-sensitive file system, but I had some trouble. So I've split the hard drive into two partitions, added a case-insensitive volume and cloned it. That worked perfectly. Then I ...
2
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1answer
283 views

Can I install both High Sierra and Mavericks on my Mac?

I have a 2013 MacBook Pro with both Mavericks and El Capitan installed (each on their own partition). I now want to use Mavericks and High Sierra, each on their own partition. Since High Sierra uses ...
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1answer
988 views

APFS/High Sierra - tmutil deletelocalsnapshots will not delete snapshots - Error parsing argument

This is kind of an addendum to APFS/High Sierra - `tmutil deletelocalsnapshots` not deleting snapshots as I've discovered a new quirk in tmutil My snapshots all have am or pm appended. I have no idea ...
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How do I create an encrypted APFS volume from the command-line?

I'm trying to automate creating an encrypted APFS image with files in it. What I have so far: >>> hdiutil create -megabytes 1 -layout GPTSPUD -fs apfs -volname encryption encryption.dmg ...
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1answer
135 views

“Free space” partition is unformatable/unerasable/unmergeable from Disk Utiliy

MacBookPro11,3 High Sierra AFPS After having recently reduced the size of APPLESSD AFPS partition there is now a "Free space" partition between the previous and the next one. Unfortunately, it is ...
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1answer
1k views

Missing HDD space after running diskutil commands

I was trying to resize my bootcamp partition and add a new partition as exFat to share between the two... I formatted my bootcamp partition, was unable to figure out how to merge it with my main macOS ...
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1answer
3k views

Can you use APFS on an external drive?

I believe that the answer to this question is "yes you can but you should not." Explanation is below.
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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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1answer
47 views

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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1answer
201 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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1answer
227 views

Lost my APFS partition after using EaseUS partition manager on Bootcamp

I used macOS mojave(APFS partition) and Windows10(Bootcamp). And I tried to expand Bootcamp partition with moving Windows OEM partition by EaseUS partition master in windows. After this, I can’t find ...
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1answer
25 views

Encrypted drive log of mounts/unmounts?

Do encrypted volumes contain any log telling when they were mounted and unmounted? I have several encrypted USB thumb drives and I would like to know whether someone has tried to put them into ...
2
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1answer
91 views

unlock macOS encrypted Volume on linux

How can i unlock a Partition that has been created and encrypted using Apples Disk Utility on a linux machine? There are 2 formats one can encrypt Volumes with Disk Utility : CoreStorage encrypted ...
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1answer
105 views

df with APFS: still working?

Since switching to APFS I noticed that df delivers strange results. For example: $ df -h / Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk1s1 466Gi ...
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325 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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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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How can I create an APFS fusion drive in Mojave using my SSD and HD?

Now that Mojave supports APFS in fusion drives, how can I create a fusion drive from scratch with my SSD and HD? I have a Mac Mini with an 128 GB SSD and a 1TB HD, already updated to Mojave and using ...
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1answer
612 views

Is a firmware update required to read APFS volumes in Startup Manager in not so young Macs?

Last week I plugged an SSD with a bootable APFS volume with macOS into the USB port of a Macbook Pro 2010. It wasn’t seen in startup manager, as I had suspected. This macbook had never been used as ...
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3k views

Can ContainerToInvert file be safely deleted?

After previously upgrading to High Sierra and converting my boot drive to APFS, I recently migrated to a new (larger) SSD boot drive. While setting that up, Disk Utility gave me an error when ...
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443 views

What Would Cause APFS Volumes to Show Up Under the Wrong Disk?

I’ve got a pretty interesting APFS problem. There are two volumes on one, internal drive, and two that were cloned from it, on an external. All four volumes show up under the internal drive, even ...
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587 views

Software that is functionally similar to Deep Freeze for MacOS 10.13

Faronics, the developers of Deep Freeze have stated that they have no intention of supporting APFS, and by extension 10.13. I know the Apple Stores used to use Deep Freeze and are now using a utility ...
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1answer
368 views

Cannot create larger partitions with APFS filesystem

I am trying to use Boot Camp Assistant to create a partition for Windows that is 100 GB. However, I am unable to create a partition of that size. Trying to create a 100 GB FAT32 partition (via the ...
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1answer
605 views

How to get synthesized disk root device from shell?

I have quite a few volumes (over 10) on a machine and I need to ascertain the parent volume of synthesized volumes for APFS drives. If you execute diskutil list you get a list of volumes, but this ...
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1answer
448 views

Using Carbon Copy Cloner 4 to create encrypted bootable HFS+ clones from APFS source

Background According to the Carbon Copy Cloner documentation CCC4 cannot clone the Recovery HD from an APFS source to an HFS+ target: Note: CCC v4 requires an HFS+ formatted source for creating ...
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391 views

How to merge APFS volumes because of low perfomance

Recently I bought a used MacBook Pro 15' with a i7 2,3 GHz processor, 16 GB RAM and 512 SSD total. But the machine runs very horribly. It's performance is nothing like you'd expect with this setup. I ...
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1answer
472 views

How does Time Machine restore backups from APFS volumes?

Is Time Machine aware of any of the new APFS features, e.g. sparse files, file cloning etc.? As the Time Machine volume itself is still an HFS plus volume, I would expect some difficulties in mapping ...
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1answer
705 views

How to read/write from/to a NTFS formatted External HDD on MacOS high Sierra?

With the introduction of APFS in MacOS high sierra I am unable to read/write from/to my external HDD which is formatted in NTFS. I need this case because I regularly switch between windows and mac and ...
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1answer
9k views

High Sierra: Can't merge BOOTCAMP partition with APFS container

I feel like this is a known problem on High Sierra, but I can't delete my BOOTCAMP partition to gain "Free Space" and I also can't expand my APFS container that contains my MACINTOSH HD. It's like ...
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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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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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TimeMachine Backup of APFS SSD in Mojave Never Completes

I am trying to setup up TimeMachine to a network attached storage (NAS) drive. My setup is successful, but like many others with an APFS partition (instead of HFS+), TimeMachine never completes the ...
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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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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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594 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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0answers
1k views

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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108 views

Recovering SSD after Ubuntu live USB corrupted partition table?

I'm running a mid-2012 MBP with a WD green SSD inside. I needed to install Ubuntu for university so I tried to do so via a live USB. While doing the installation I accidentally clicked on the option ...
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240 views

Move Volumes between Containers?

So I installed the Mojave beta on a separate container from my High Sierra install, but I really meant to install it in a separate volume. So now I have two containers and my Mojave install has run ...
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856 views

APFS - Other volumes in container problem

I ran into issues with my Macbook Pro running High Sierra 10.13.4. The problem is that Other volumes in container metric are showing over 176 GB of space taken and I am not able to reclaim it back. I ...
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330 views

How to install and migrate to High Sierra on an encrypted FS?

[ I am in the process of migrating an old MacBook Pro to a new one. ] I made a complete 8 GB USB "Install macOS High Sierra". I checked it (Disk Utility) from my running old MacBook Pro. I booted ...
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638 views

SSD + apfs Install option greyed out

I'm sure I've seen this before, but I upgraded an older MBP (2011) to an SSD. I boot to a High Sierra installer that i created and format it to Apfs, but then the drive is greyed out - it states it ...
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1answer
373 views

APFS container size is same after resize

After resizing the APFS container, it is not reflecting the changes but Disk Utility shows that the container is successfully resized. Container size should be 128 GB but it's 78.09 GB. Strange! ...
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1answer
459 views

How many APPLE_APFS partitions is a disk allowed to have?

I am using macOS High Sierra Version 10.13.2. The following two examples indicate that a disk is only allowed one APPLE_APFS partition. The output below from a Terminal application window shows that ...