Questions tagged [filesystem]

The system used to format and organize files on a disk. This includes directory structure, permissions management, metadata, and more. The current default file system for macOS is APFS (High Sierra and higher) and HFS+ (Sierra or lower).

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Can't Remove “Previous System”

I upgraded Yosemite to Catalina. Deleted "Previous System" folder. When emptying Trash the OS complains "item 'xxx' is in use". Rebooting doesn't help sudo rm -rf doesn't help rm -rf in Recovery ...
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How to mount EXT4 disk on 10.15?

Since I have osxfuse installed it would be nice if I could use it. There are a lot of (heavily) outdated articles here, saying that it is not possible. Is this still the case?
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How do I consolidate my redundant system files?

I have a MacBook Pro (Retina, 15 inches, mid-2015) with a 2.8 GHz Intel quad core i7 processor, running OS Catalina 10.15.3. The following may also be relevant to my issue. When initially setting this ...
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28 views

Pool multiple drives into a single network share in macOS 10.14 or later

I have a mac fileserver with multiple drives that I'd like to combine into a single pool (such that the filesystems appear to be combined together) and then have accessible as a network share, ...
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macOS Catalina on MacBook Pro 15-inch16 GB 2400 MHz DDR4 - Photos won't close files, cannot eject disk

There are a couple of other questions here very similar, but they are not the same. My issue is that the Mac Photos processes, photoanalysisid (primarily) and photolibraryd won't release their open ...
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How to increase max. file descriptors / max. open files in Catalina?

When using SourceTree I run into the following error shortly after using it: It appears that the system has run out of file descriptors as described in this bug report: http://openradar.appspot.com/...
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Could removing corrupted files on the MacBook or Mac's hard drive make the file system's health even worse?

I tried to move some files from the MacBook's SSD to a network drive (by drag and drop) , and the "Copy" window reported the file was corrupted. If I remove the file and empty out the trash can, could ...
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mergerfs or similar on a Mac for combining multiple drives?

I want to setup an old Mac Pro as a media server. In my recent setup, I use mergerfs to combine multiple drives into one which I can share. I would like to do the same on the Mac. I have seen, that ...
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System unresponsive at osxfuse password prompt

I am facing a peculiar problem while mounting a volume using OSXFUSE. I use sudo sshfs -o allow_other,defer_permissions root@xxx.xxx.xxx.xxx:/ /mnt/droplet with my information to connect to the ...
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Using public key with OSXFUSE

I have been allotted a system-generated password (which is impossible to remember) that I cannot change and every time I mount a folder from the remote machine, I have to enter the password for that ...
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Is it possible to share a OSXFUSE volume over SMB?

I've been trying to share an osxfuse volume with SMB but the macOS share options won't let me select the drive to share it, the volume is made with the allow_other command. What sort of works is ...
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IdentityServices : “delete” folder containing 1 new file every 10 seconds

I have a problem with my ~/Library/IdentityServices/delete folder. It contained ~ a million files, that I'm trying to delete. Now I'm realising that it is creating a new file, like, every 10 seconds. ...
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Saving macOS Catalina Screen Recordings Cache to External Drive

Im macOS Catalina, screen recordings are temporarily stored in ~Library/ScreenRecordings before being saved on the target location. However, on systems with minimal available system storage, this can ...
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What are these extra /Zone.Identifier files created during Windows Remote Desktop file transfer?

Steps to Reproduce Installs Windows Remote Desktop client for mac Connect to a Windows 10 server, mounting a local folder over the connection On the remote server, copy a pdf (e.g. my_file.pdf from a ...
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How do I search specified text in files on my Mac that are less than 20kb?

I created an SVG image a few months ago. Recently I found the file is lost, but I don't think I deleted it. I need to know how can I find this file by setting up these filters: only search for ...
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How to get a notification when a file is deleted [duplicate]

I'd like to get some notification when any file in a specific folder is deleted. What might make this easier is my specific issue is with Resilio Sync. Twice now I've had files and folders in a very ...
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Where are iCloud documents stored in the file system? [duplicate]

Where are iCloud documents stored in the file system? Under Finder you can find the iCloud directory, however 'Get Info' gives absolutely no clue as to where these files are located in the file ...
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How to use a 2 TB external hard drive containing existing data as TimeMachine backup storage without losing data already on it?

I have an 2 TB external hard drive. It is formatted as NTFS format, supported by ntfs-3g which is installed using Homebrew. There is already about 500 GB data existing on it that I need to keep. I now ...
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remove time date information from file

I saw the post on how to change time and date using touch or setfile. Is there a way to remove time and date entirely from a file? I tried xattr -c which did not work.
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Tried to fix filesystem type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and failed [duplicate]

Initially, I had dual-booted Ubuntu on my Mac. Several months later, I decided I no longer needed Ubuntu on my Mac so I decided to get rid of it. I attempted to this by using Disk Utility on macOS and ...
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Symlinked Dotfiles Are Not Working

I'm on macOS Catalina and I'm trying to move all my "dotfiles" into a folder, where I can place them under version control, then symlink them back into the home folder. I've created a hidden "....
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My Sublime all of a sudden wont load folders

All of a sudden within the past few days Sublime is sporadically not loading folders, it just stays with the loading icon: I have 10GB left on my mac which is normally plenty. I restarted my computer ...
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Non-Apple-provided files in SIP-protected directories

On my macOS Catalina 10.15.1 system, I think I have some files in SIP-protected directories that were installed by third-party (i.e. non-Apple) software prior to SIP being added to macOS. Is there ...
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Why are my files all now within Volumes?

Today I noticed that in the bottom bar of finder, where it shows my file path, it's showing all my files as being within MacintoshHD/System/Volumes/MacintoshHD: I have this strange file structure in ...
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Does Spotlight index the contents of symlinks?

From what I can tell, Finder searches do not follow symlinks. Is this expected behavior? I can't find it documented anywhere. Background: I've been syncing some PDFs using Dropbox (location A), but ...
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107 views

Files on Desktop are not accessible

[UPDATE] This issue seems to be fixed in 10.15.2. Device, OS version and other background info: MacBook Pro Retina late-2013, Catalina 10.15.1 FileVault is not enabled. iCloud Desktop/Document ...
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114 views

How to read and manipulate ~/Library/Saved Application State/com.apple.finder.savedState/data.data

Due to a bug in MacOS i've identified that this is the file that is being edited when I make a certain change in MacOS finder. "~/Library/Saved Application State/com.apple.finder.savedState/data....
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iMovie file export swaps '/' and ':' in the filename [duplicate]

When I export my iMovie project to an mp4 File > Share > File (iirc) And name it "Tacos w/ John" for example, the file created is "Tacos w: John.mp4" But if I name it "PROJECT: Yi", it saves to "...
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280 views

How to recover apparently missing directory and data from APFS volume? `found zeroed-out block`

TL;DR — My APFS volume appears to be partially corrupted and missing my user directory, /Users/jivan. How can I recover it? The SATA cable in my MacBookPro9,2, which was running Mojave, failed ...
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How can this folder be significantly 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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How to Recover Sparsebundle With Missing File System

I'm trying to recover data from an encrypted sparsebundle on macOS Mojave (10.14.6) that I just discovered became corrupted at some point in the past. It was created several years ago. I have the ...
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How to remove symlinks created after a specific date?

Say I did a ln -s /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/* /usr/local/include/ Now I regret it. How can I delete all these links? The good news is I created them today, so ...
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331 views

Is there a difference between launching an app from /Applications vs /System/Volumes/Data/Applications? [duplicate]

I noticed that since updating to macOS 10.15, I get duplicate search results for some apps (due to the new read-only filesystem). If we take Spotify as an example, is there any difference between ...
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302 views

Can't find where macOS FUSE is on my system to uninstall and update it

I get this error message every time I login (after recently updated to Catalina). The installed version of FUSE is too old for the operating system. Please upgrade your FUSE installation to one ...
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Strange df (disk space) output since macOS Catalina [duplicate]

Why is this: $ df -h / Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk1s5 234Gi 10Gi 15Gi 41% 482117 2448643243 0% / Very different from this: ...
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Rolled back from Catalina back to Mojave but I had two drives one for boot and other for saved files, realised old files are still around

I rolled back from Catalina to Mojave because I was having issues, it was my first time to do so and foolishly didn't use Time Machine. I have two SSDs, one for boot and the other for my files, and ...
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On a MacOS machine, is there any risk or trouble I'll encounter if I put some of my documents into a path that's not under my home ~ directory

I used to store all my files, documents under the ~ path. I am wondering if I put my files out of my own directory, will there be any risk (like losing the files, or messing up my computer)
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How to read Mac OS Extended (Journaled) USB drive if I'm getting: “The disk you inserted was not readable by this computer”?

So, I wanted to do a fresh install of Catalina, and have done a backup on my USB drive. Before transferring the data to USB, I've formatted it as "Mac OS Extended (Journaled)". After I've installed ...
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788 views

What is the difference between Full Disk Access and Files & Folders access in Catalina?

From security preferences pane we see below info: What is restricted internally for each of these? Files and Folders access: Allow the apps below to access files and folders. Full Disk access: ...
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Uninitialized HDD after GPT to MBR conversation, 3 HFS+ Volumes and 1 ExFAT

2 TB External Hard Drive. Error during converting from GPT to MBR and now Disk can't be mounted. 'The disk you inserted was not readable by this computer' appears when HDD is plugging in. Files ...
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Simple tool to recover old version of overwritten file

I accidentally overwrote a small text file. I have no selectable TimeMachine snapshots - the "up" buttons are greyed out (note; tried Ctrl + Shift + C to remount but it makes no difference). Which is ...
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How to prevent Excel files from getting quarantined?

I'm using Excel for Mac, version 16.16.14 (190909). I'm running Catalina 10.15 Beta (19A558d). All files I edit with Excel are recently quarantined (checking with ls -la@): com.apple.quarantine ...
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ReFS (NTFS successor) filesystem support

Wikipedia says of ReFS: Resilient File System (ReFS), codenamed "Protogon", is a Microsoft proprietary file system introduced with Windows Server 2012 with the intent of becoming the "next ...
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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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How to check the type filter in file open dialog?

In windows, we can check the type filter easily: But in MacOS, it seems the file open dialog has no such thing: The reason why I want to check it: sometimes the open button is unclickable, but I don'...
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High Sierra's Finder don't index files in storage unit

Finder (macOS High Sierra) not show any files or folders that I know are there. It occurs only in with units of a storage appliance (Tiger-Box). In previous macOS versions it works fine. I can see all ...
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Symlinks became files, containing relative paths, within an app bundle, why? How to fix?

I discovered an interesting form of corruption within some application bundles which had been stored on a file server for months and years. The application bundles were installers for various macOS ...
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284 views

Unity Case sensitive file system on macOS

I have a NAS which has all of my unity projects on it, I recently bought a MacBook Pro and have connected it to my NAS so my laptop and computer now have their own cloud sorta thing. When I open the ...
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517 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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Two entries with identical name and inode in same directory?

I have just seen the most remarkable thing in a deep corner of my large archive disk: a single directory containing two entries (subdirectories) with the same name and same inode number. % ls -liaF ...

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