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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Managing APFS snapshots without purchasing developer certificate

I want to manually create, delete, and restored to snapshots on my APFS volumes (external, for data use, so not limited by SIP). I'm using snaputil, but maintaining APFS snapshots require two ...
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Manually Decrypt Partially Cloned APFS Volume

I recently attempted to clone a failing external drive to a new external drive. The clone failed part-way into the process. The original drive hardware has now fully failed, so I'm trying to recover ...
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What to do when mounting APFS from thumbdrive suddenly shows error and Disk Utility First Aid unable to fix

Seems like my APFS on my 512G SanDisk USB has gone corrupt. diskutil list /dev/disk0 (internal): #: TYPE NAME SIZE IDENTIFIER 0: ...
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Rearrange APFS Volumes inside APFS Container

Similarly to this question I'd like to restore factory APFS partition container structure after reinstalling macOS Big Sur from bootable USB flash drive, exactly: make Macintosh HD volume disk1s1 (...
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How can I backup just user data to an external drive that anyone can read?

I'm trying to back up a mac for a friend who move and left her 2020 iMac 27 (intel) with me. She is having me send her the data from it and then sell the mac. The 1TB SSD iMac hard drive is in APFS ...
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Retake space from free space partition on Monterey

I have deleted a Bootcamp Partition, something went wrong and I now have 250 GB of "free space". Now I want to retake this space back. I already tried this solution but it didnt work for me. ...
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Fusion Drive - Partition and Excessive Free Space Combined is Greater than Actual Storage Capacity

iMac 2017 1 TB HDD 28 GB SSD Fusion Drive Recently, I decided to do a clean install with diskutil erasedisk, reformatting through disk utility, and resetting the Fusion Drive to wipe everything after ...
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Where are the extra TBs of data coming from when I scan the disk?

I'm not a habitual Mac user. I wanted to get a breakdown of disk usage on a Mac, so having installed ncdu via homebrew ages ago, I did sudo ncdu -x /. Realising it would take forever, I installed ...
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APFS bug?: Faulty 'Disk full' message after spanning APFS container over 2 physical disk-partitions

I used the following command on two physical Samsung SSD's inside my Mac mini 2012 with OCLP and Big Sur. I use it as a server, kids Apple Arcade gamingbox, AppleTV, Photo presenter in 4K (with ...
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Update to Monterey 12.3 fails: A snapshot is currently set to boot that is not the currently booted snapshot

I have restarted the computer several times, but no help. The Disk Utility looks like this I once disabled the SIP following the guide in this Reddit thread, but re-enabled it afterward. And by ...
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APFS partition cannot be read

I have a 6 TB external HDD that cannot be mounted or read after encountering an unexpected power cut off. I think (or want to believe) it is not a hardware damage because at least a few of video files ...
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Format SanDisk Extreme Pro SSD V2 on Mac

Formatting (erasing) SanDisk Extreme Pro 55AF Media works but looks unusual in Disk Utility (image): Erase: SanDisk Extreme Pro 55AF Media Name: SD Format: APFS Scheme: GUID Partition Map Result: ...
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fsroot tree is invalid. All data still on disk but only 10% normally visible

I woke up today to start working on an audio project but upon loading I got some missing files errors. When I went to check, indeed, most of the folders I had shut the computer down with the night ...
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Corrupted macOS startup volume type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF

My iMac was working (moving GB of files), when the electric current was taken by the energy provider close the current for works or any other reason. Now, the entire APFS container containing the ...
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Can't read Time Machine backup with APFS case-sensitive format on Catalina

So I took a Time Machine backup of a Mac running Big Sur, and the backup drive format defaulted to APFS (case-sensitive). Now I am trying to read this backup from another Mac running Catalina (cannot ...
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Time-Machine `tmutil compare` using an APFS backup volume fails

A Time-Machine tmutil compare with HFS backups (e.g. on High Sierra or Catalina) allows evaluating the differences between two backups by doing: cd "${tmutil machinedirectory)" tmutil ...
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APFS Container lost after crash and reboot

My 15" MacBook Pro Late 2016 with a 500GB SSD was occasionally rebooting (but only) during MS-Teams meetings. Anyway, the last crash was destructive and now I get flashing "?" when it ...
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Can I clone an external hard drive bit for bit, incrementally?

I have an external USB hard drive with many encrypted APFS volumes on it. I have a second identical external USB hard drive. Is there a macOS program that lets me clone the first to the second without ...
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External hard drive fail to mount with APFS error "com.apple.DiskManagement.disenter error 49218"

I can't open my WD external drive after I reboot my mac with Monterey 12.1! I know that so many people had a similar problem so I followed all those solutions, but they are not working for me. I need ...
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Other Volumes in Container taking up 2/3 of hard drive

My Macbook Pro is completely full and after hours of searching for what files might cause this I came across the "Other Volumes in Container" category that's taking up a massive amount of my ...
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How to know what the different `roles` do in `diskutil apfs` shell command

I wish to know what these mean, which one I should use, when specifying the <roles> as shown here. $diskutil apfs addVolume Usage: diskutil apfs addVolume <containerRefDisk> <fs> &...
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How to Time Machine Backup with Mac OS Extended Journaled instead of APFS

I had two SSD's - when I tried to use them for time machine backups, they were automatically formatted as APFS without giving me an option to select Mac OS Extended Journaled. The problem is, there is ...
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Can't format my disk or do any actions

Can someone give me a hand, please? I already tried many solutions, but still can't unmount my drive, since I upgrade to Catalina. Here is a picture of how it looks. I think the problem is the APFS ...
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APFS disk plugged in newer system gives "Incompatible Disk" warning in original OS

If you plug an external macOS system disk using APFS into a newer version of macOS you will get a warning afterwards back in your original macOS saying: "Incompatible Disk. This disk uses ...
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View unmodified bytes of a filename on APFS

How do I view the bytes of a filename as it’s stored an APFS volume (i.e. without going through Unicode normalization)? Context: I migrated an old iTunes library to a new Music.app library, and ran ...
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Increase time/number of APFS local snapshots?

I'm not using Time Machine on my laptop (don't worry, I have an alternative backup strategy in place); but I'm wondering if I could still save APFS localsnapshots. I've created a LaunchAgent that runs ...
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Tried to add a partition to APFS external drive and can no longer access data

I am no longer able to access an external Samsung hard drive in APFS format connected to an M1 MacBook Air. I think it may be because I unsuccessfully tried adding an additional partition to the drive ...
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Failed to remove container disk and reclaim space to main partition

After I removed Boot Camp I found out that the partition space didn't merge back into my main volume, instead it was called "container disk1". There was no option to delete it so I tried to ...
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Looking for the best backup option under circumstances

I know the question of "how should I backup my computer" has been asked and answered but I have some specific nuances and, well, if I knew whether they made a difference I wouldn't be asking....
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Does photorec work on non-encrypted APFS?

I have an Ubuntu live USB with testdisk installed on it. I would like to recover data from the HDD of a Macbook Pro using photorec. The HDD is not encrypted: can photorec recover data from non-...
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How to use gpt to fix corrupted APFS container?

My 1TB SSD failed on me with what appears to be a corrupted APFS container. I found a post here on stackexchange that suggests to remove and create GPT entries but the values in the example are ...
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APFS Container Corrupted - by using testDisk

I have a 1 TB drive on a late 2013 mbp. This week it decided to stop booting - was just hanging on the loading screen. I have booted of an SD card and I could see the drive and browse it as read only....
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Is there APFS system (e.g. API) documentation anywhere? I want to snapshot an external drive

It looks like there must be system calls to create and manage APFS snapshots on external drives. Carbon Copy Cloner uses them in their backup routines https://bombich.com/kb/ccc5/leveraging-snapshots-...
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Slow write speed on APFS external SSD

The SSD is SanDisk Extreme Pro V2, with original cable, formatted APFS (non-encrypted). OS is 12.0.1. There's 10GB of free space. Write speed used to be close to read speed, about 500MB/s. Now it's ...
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Time Machine Backup fails from new apfs Volume

I had 11.6 Big Sur on an apfs volume, installed 12.0.1 Monterey on a different volume, deleted the first volume Now Time Machine Backup fails: Time Machine could’t complete the backup to “…” An error ...
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Recovery mode not seeing all APFS snapshots

I formatted external hard drive as APFS and installed macOS Catalina to “macOS Catalina” partition, Big Sur to “macOS Big Sur (Intel)” partition and Monterey to “macOS Monterey (Intel)” partition. I ...
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Time Machine without any external disks

So, for various security reasons my company doesn't allow attaching backup drives or doing any external backups -- mostly we have cloud things and use git for backup. But Time Machine lets me use the ...
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MacBook Pro 13" Late 2013 - Cannot reinstall OS after erasing disk

I have a MacBook Pro Late 2013 running Big Sur which I want to sell. Following Apple's guidelines to wipe the drive I erased the main Volume Group in the hopes of reinstalling Big Sur. Ì understand ...
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APFS File Clone doesn't work as expected with Sparse Files

I have a Virtual Machine disk image in the RAW format (.img extension) that was created sparse with dd if=/dev/zero of=disk.img bs=1m count=0 seek=10240. As expected, it starts off using 0 bytes and ...
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Create persistent local APFS snapshots which later get backed up to external TimeMachine volume

My scenario is the following: I have a folder whose contents changes frequently. To be precise, it's my local backup of my Wordpress upload folder wp-content/uploads/ which I rsync in a SSH tunnel ...
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Is it safe to encrypt the VM Volume on recent macOS versions?

Background info: I need my McBook to satisfy a newly-rolled-out policy of having "full disk encryption". The relevant software checks this by seeing if all user-mountable volumes/partitions ...
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SSD APFS Corruption

I'm using a Mac Book Pro mid 2012 running 10.15.7on Samsung EVO 1TB internally. It was not possible to boot the computer last Friday. I tried to boot in recovery mode, the SSD was not identified as a ...
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Mounted encrypted sparsebundle starts giving "Input/Output Error"

I'm having a very strange issue that seems to have started after upgrading to macOS 11.5 Big Sur. I use encrypted sparsebundle disk images to hold sensitive information on my work Mac. I generally ...
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Can I migrate my Time Machine from HFS+ to a new drive with APFS?

I am running Big Sur 11.5.2 I bought a new drive (2 x 4TB RAID1 Array) to use in place of my existing 4TB Time Machine drive. Both are USB. I want to migrate my old Time Machine which is HFS+ to the ...
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Size on disk smaller than actual size

I have Bitwarden on my machine and looked at the reported file size, wich is 423,6MB. The downloaded file is much smaller, also the reported size on disk is much smaller too with 176,5MB I expected ...
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Unable to claim free space for APFS partition Big Sur

I'm trying to add additional space to my macOS Big Sur. I've tried to do complete the process by using diskutil. Although I did not get any errors, I was unable to claim the free space. Subsequently, ...
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Unable to Expand APFS Container [closed]

I'm having a problem similar to this one, where I can't expand an APFS container to fill all available space. Here's my disk layout in Catalina: % sudo diskutil list ...
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How to Delete Partition in terminal

i just want my mac to have one partition so i can use all the full 250GB. Disk utility did not work. Below is partitions and identifiers if anyone could help me with the CMD i need to return ...
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Copy directory recursively without copying the file contents

I'm working on organizing my files and I want to have a clone of my drives so I can deduplicate files. However, I will not be able to connect the drives to my laptop all the time. I know that it is ...
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SSD's "Used" space growing after each Erase / Format & ejecting!

I bought a brand new Samsung T7 SSD, and I used macOS's Disk Utility to format (erase) it in APFS(Encrypted), scheme: GUID Partition Map. Before erasing (brand new), "Used" space was 108,5 ...
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