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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Troubleshooting GUID partition "FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFF" [duplicate]

Running a Mac Pro 2013 with macOS Catalina. Looking to change the GUID type from FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF to 7C3457EF-0000-11AA-AA11-00306543ECAC. I've been browsing through various ...
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Problem rebooting macbook pro

Need some help. I made a partition of my hd (with high sierra), this new partition is an apfs where I installed another OS (Mojave). I had some problems with restarting, so I could have accessed to ...
Luca deluchis's user avatar
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"reflink" filesystem API for macOS?

On linux, we have the call int ioctl(int, FICLONERANGE, struct file_clone_range *); to "reflink" files. APFS also supports COW and thus a similar system call should exist. However, the ...
Ma Joad's user avatar
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How to mount and get full access to an apfs partition from linux

I broke my laptop some how (I think from overheating). I dual-boot linux on a Macbook that has got a T2 chip. I can't boot up MacOS, but for some reason linux does. I've got a couple of files in my ...
sherbit fish's user avatar
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APFS volume not utilizing full container space

So a bit of background: I originally had a couple partitions on my macOS hard drive that I recently removed. I've done this before so pretty simple. I then try to run diskutil apfs resizeContainer ...
Harrison G's user avatar
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Restoring an APFS disk image cloned with (G)DD [duplicate]

Back in August I cloned a 500GB APFS container off a 2TB external HDD consisting of a Time Machine backup of my old macOS install and some APFS scratch space, and formatted that partition on the ...
ShouldBeAtTheBeach's user avatar
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Reinstalling macOS from recovery uses extra space?

When you use the option to reinstall macOS from recovery, it uses an extra 10GB of space. I restored the same data using Migration assistant, but after it shows about 10 GB less space available. ...
stands2reason's user avatar
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How to move free space in front of APFS container?

How does one go about changing the starting position of an APFS partition on a drive? In this situation, I would like the 209.4 GB of free space to end up behind the APFS partition so that I can ...
Windooows's user avatar
3 votes
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Missing free space after Sonoma, and it's not Snapshots!

After upgrading to Sonoma I've been running out of disk space (and application memory) even tho Finder shows 300+GB free. I read about it being a common problem with too much Time Machine snapshots in ...
Henry Mazza's user avatar
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How to mount a bootable APFS snapshot from command line?

First, I have Time Machine enabled and my aim is to make rclone cloud backups of a snapshot of all locally backed up files, excluding system files. It is mainly non-system volumes and $HOME. I am ...
e40's user avatar
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Restoring from APFS Time Machine backup that includes always-connected external drive: Do I need to format the external drive?

I have an APFS (case-sensitive, encrypted) Time Machine backup that includes both my internal SSD (APFS) and a much larger APFS volume on an external SSD. The backup containing both is on a slow but ...
Attila the Fun's user avatar
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How do I install High Sierra on APFS external hard drives?

How do I install High Sierra on APFS external hard drives? I only want to boot High Sierra off the drive on RARE occasions, for testing purposes. I don't care how slow it is, bad performance, etc.. ...
sbimos's user avatar
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APFS how to remove unexpected "volume group" and keep data

I unintentionally created a "Volume Group" when restoring to my boot SSD (did something the wrong way I guess - highly confusing for me) I intended for the structure to be the same as the (...
John's user avatar
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How to access Finder's "Date Added" field from Terminal without MDLS

[MacOS Ventura] I need to move some files off a drive that is nearing its capacity to another drive while preserving the original Date Added in its new location. Since I've noticed that MacOS ...
gone's user avatar
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Recover files from mac in recovery mode - apfs missing

I'm trying to recover files from my mom's mac that is not working. It's a MacBook Pro (Retina, 13-inch, Early 2015). Trying to boot it up results in the folder with a question mark. Trying to boot ...
Paula's user avatar
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Mac won't mount a new disk when formatted to APFS, but will when formatted to Mac OS Extended

I have 2 new Samsung 4TB SSDs. I am trying to format them as APFS as for me speed is of upmost importance. When I do so, initially everything seems fine, however after ejecting the drive it will never ...
paul frith's user avatar
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Deleting APFS volume doesn't free up any space

I had a corrupt APFS volume (caused by bad SATA connection — has since been alleviated) of 150 GB reported by First Aid so I decided to create a new volume and reinstall macOS there. In the end of my ...
Andreas's user avatar
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Can I determine which objects are affected by invalid checksums reported for APFS, as well as the significance of that corruption?

Ventura's disk utility has found unrepairable APFS errors (invalid checksums, bit flips, fsroot tree is invalid) while running First Aid on my Mojave volume. Without knowing more specifically what ...
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recover corrupted Apple_APFS

I have a Time Machine backup stored on a Synology NAS that got corrupted for some reason (probably a power failure). The folder containing the sparsebundle is mounted on the Mac using smbfs. I tried ...
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Repartitioned 1TB APFS SSD to MSDOS 120GB for Linux. Linux installer sees wrong slice names, though cfdisk reports correctly

model: macbook pro (2016) 3.5G Intel 1TB SSD Ventura 13.5 Attempt 1) Resized a 120GB partition for Ubuntu. Big mistake, lost all data. Attempt 2) Reinstalled Ventura 13.5, partitioned 120GB for EXT4 ...
queryman2000's user avatar
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macOS 13.4 and ChromeOS Flex USB

I'm trying to create a Chrome OS Flex USB install drive, to install it via Parallels, on macOS 13.4 (2019 i9 MBP). I'm able to create it both via the Chrome browser extension, and the terminal sudo dd ...
lioman's user avatar
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Fusion Drive using external SSD & HDD

Coworker has an Acasis NVMe enclosure with a 1TB NVMe. Speeds are about 3000MB/s on USB4. The thing is that he has lying around a 8TB HDD 2.5 from an old PC. It would be awesome to use both as “Fusion ...
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Why do APFS containers indicate that they have no free space when each volume is small?

I have an APFS container with the following volumes: Host:~ user$ diskutil apfs list APFS Container (1 found) | +-- Container disk1 1A6DB817-9F40-47C2-9DFF-2E897D65F5C4 ============================...
watkipet's user avatar
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Why do fsck_apfs and tmutil report a different number of snapshots?

I'm running macOS Mojave 10.14.6 on a Mac Pro 5,1 and investigating a Time Machine snapshot issue. When I run tmutil listlocalsnapshots /, it shows 20 of them: Host:~ user$ tmutil listlocalsnapshots / ...
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On Monterey, how to have "/System/Volumes/Data" use more space than its 90 GB quota?

My "/System/Volumes/Data"'s container still have 34.3 GB free space +-- Container disk3 D4363BE0-2F5E-4275-8726-57B5EA22FF63 | ==================================================== | APFS ...
Compl Yue's user avatar
2 votes
1 answer
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Estimate "true" APFS disk usage of folder without counting cloned files multiple times

I would like to compute how much "true" APFS disk space is used by a folder. This folder has many APFS "cloned" versions of the same files. A "true" count of the disk ...
Mike Battaglia's user avatar
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Errors when running Disk Utility on APFS SSD (error: doc-id tree, volume corrupt)

On my Mac running Disk Utility / First aid produces errors that Disk Utility doesn't seem to be able to fix (full log at bottom). First: Checking the fsroot tree. error: doc-id tree: record exists ...
Sebastian's user avatar
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APFS Sparse Bundle Encrypted images on HFS+ HDD

macOS is no longer allowing me to use HFS+ encrypted for external disks. Is it safe to create a 20TB encrypted sparse bundle disk image on a HFS+ formatted mechanical hard drive? If so, can I use APFS ...
Thiago Rossi's user avatar
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How to add/remove a physical disk to an existing apfs container

Here I have a "fusion" apfs container disk5 made from 2 partitions of physical disks. I want to add a new /dev/disk6 (/dev/disk6s2) which is a 8TB disk to be used in logical disk disk5. ...
VinD's user avatar
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Does adding a new APFS container damage data on the volume?

This question sounds very basic, but I have not found the answer. In disk utility I can add a new APFS volumes to an (external) disk. Does this operation affect data already on the disk? I know that ...
Ma Joad's user avatar
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The attached disk cannot be read from this computer. No treatment/recovery. Is there a way to fix an external hard drive without data loss?

Currently I'm using 1TB of SanDisk Proportable SSD. Actually, this SSD had a lot of problems. At first, it was used as exFAT, but an unrecognized situation occurred on the Mac, so it was recovered ...
LEE 's user avatar
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Interrupted a `diskutil resizeContainer diskX 0` attempt to recover unpartitioned space - ended up with a startup snapshot and a Data volume

After I got done test driving Asahi Linux on my M1 Max, I decided to remove it and recover the allocated space, 500 GB (out of a total 2TB). I uninstalled Asahi Linux from my Mac using the commands ...
noon-ng's user avatar
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External APFS ecnrypted volume cannot be mount, error 49218

I accidentally unplugged the cable of an external disk while it was mounted on the system, but not in a copy or read operations. I use APFS encrypted partition on that disk After I reattached it to ...
user3756354's user avatar
1 vote
1 answer
86 views

How to convert multiple partitions to APFS?

I have an external SSD drive which has 4 bootable partitions holding monthly backups. It has a GUID partition map; each partition is MacOS Extended Journaled (HFS+); each is 250GB in size with about ...
aMike's user avatar
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Cannot Access my Files on External APFS SSD in "Other Volumes"

On my external SSD, which is formatted as APFS (Case-sensitive), there are a lot of important personal files (around 219 GB). When I plug the drive into my MacBook Pro (M1 Pro, 2021) and open it in ...
vaely's user avatar
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iMac Late 2012 Unable to boot. Fusion Drive APFS no HFS+

Reference old question: 2013 iMac with APFS Fusion Drive. Fails to boot. How to recover data? I have removed both the SSD drives from the iMac. Purchased a new Mac Mini M2 running macOS Ventura 13.3. ...
Arun's user avatar
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How to correct the GPT of this non-booting fusion drive iMac?

Question renamed from: « Diagnosing what's going wrong with the fusion drive of an iMac 27'' 2019 A2115 EMC 3194 » after the origin of the problem could be located. Having a non-booting iMac using ...
OuzoPower's user avatar
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1 answer
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Is there any way to change location of APFS local snapshots?

I use APFS local snapshots to recover my Mac, but I wonder if there is a possibility to change snapshot location from Mac built-in SSD to USB flash drive or external SSD?
Alexander's user avatar
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External APFS SSD partition stops mounting after a while mount even after erasing/reformatting

I have been trying to use an APFS partitioned Samsung T7 shield 2 TB for a couple of weeks now but keep running into the same issue. After a few days of use, one of my partitions will no longer mount. ...
Mushll's user avatar
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Used iMac just boots to Utilities, can't reinstall OS or sign in under my Apple ID

Trying to update an iMac (2015, I believe?) a friend gave me. They've fully signed out of it, and I have erased the hard drive in disk utilities, but I cannot get it to boot to anything. When I choose ...
Michael's user avatar
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2 answers
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How do I keep a full Time Machine restoration from changing the filesystem type?

I'm stuck on upgrading from Mojave to Catalina. (Yes, I'm late to the party.) My most recent Time Machine backups continue to be from my Mojave system on an HFS+ Mac OS Extended (Journaled) filesystem....
August's user avatar
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Disk Utility reports 'invalid internal_flags' on Mac APFS drive

Why doesn't Apple address the 'invalid internal_flags' warning that shows up after running Disk Utility? Disk Utility doesn't fix the issue, and when I called Apple, they pretty much brushed aside any ...
sum2jar's user avatar
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2 votes
2 answers
337 views

External APFS container with 3 volumes with different look

I have a 2TB external HDD which I have formatted as APFS. I have 3 volumes (MacbookAirOdd, MacbookAirEeven, MacbookAir_Linda) as such: I thought the 3 volumes were all created the same way. The ...
todivefor's user avatar
1 vote
1 answer
756 views

Time Machine backups of Multiple Macs to external drive with APFS: Should I use separate containers, or one container with different volumes?

On an external drive, I have 3 APFS containers each with 1 volume in them respectively. The 3 containers and their respective volumes are used for Time Machine backups from 3 different Macs. The APFS ...
P A N's user avatar
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4 votes
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Can APFS containers be resized while retaining their contents? (Case-sensitive, encrypted)

Can APFS (Case-sensitive, encrypted) containers be resized while retaining their contents (e.g. not having to reformat them) in MacOS? I have an external hard drive with 3 different Time Machine ...
P A N's user avatar
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the unbootable (unbeatable) imac

have an imac that's been dead since an update tried to reformat the internal hybrid/fusion hdd to APFS. the mac can only boot into single user mode. recovery hangs, safe mode hangs, boot disks hang. ...
austin's user avatar
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Is there any way to decrypt a hardware-encrypted internal SSD?

My mid-2019 MacBook Pro has a fault on the mainboard that causes it to crash soon after (sometimes while) it boots. I’m trying to get the data off the internal SSD. When I boot it in target mode (by ...
joriki's user avatar
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Does the Apple File System Reference specify the wrong encryption algorithm?

I’m trying to understand encryption in APFS. The Apple File System Reference (p. 136) states several times (steps 2, 5 and 7) that unwrapping is performed “according to the algorithm described in RFC ...
joriki's user avatar
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Is an APFS formatted drive underpinned by HFS+?

When I formatted my drive with APFS this is the output that Disk Utility delivered. It says right at the beginning Formatting disk7s2 as Mac OS Extended (Journaled) with name External HD. So is an ...
Alex Ixeras's user avatar
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2 votes
1 answer
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How can i give the "free space" on my internal ssd to the APFS container, where macos is installed? [duplicate]

I had Ubuntu installed in dual boot on my macbook pro 2018 with macOS Ventura 13.2.1 . Now I deleted the partition on which Linux was located and saw in Disk Utility that I don't have all of my SSD ...
Consti's user avatar
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