Questions tagged [disk-utility]

Apple's built-in disk management utility for the mac. Erases, formats, and restores volumes and drives.

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Creating APFS external USB thumb drive with macOS 10.12.6 Sierra

Trying to create an external USB thumb drive to run macOS Monterey from but first needs to be APFS, using macOS 10.12.6 Sierra; I don't have an option from Disk Utility to format with APFS. I followed ...
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MacOs Diskutil cant resize APFS

How i can add free space to Container disk2 (disk0s4)?
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Adding an APFS volume to an existing container

Another question was adequately answered, but it turns out that the new drive referred to can no longer be obtained.  So instead of putting two APFS volumes on a new drive, I am going to reformat the ...
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Putting two APFS volumes on new drive, one for Time Machine

Due to a problem, I want to copy the contents of an external disk with a corruption in one partition.  The corrupted partition is HFS+ and the other is APFS. The APFS partition is a Time Machine ...
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How to merge inaccessible free space into main partition on Mac

I recently installed linux on my Macbook Pro by partitioning my harddrive using Disk Utility. I've since decided to erase Linux and just go back to an unpartitioned Mac installation. However, I ...
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Why is a macbook MSDOS formatted disk not showing up in windows?

I followed this apple documentation to format an external USB harddrive for windows. I used Disk Utility and erased it to be MS-DOS (FAT) with Master Boot Record. I then put it into my windows 10 pc ...
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Can't mount and see Mac partion

In Disk Utility, only one of my disk's partion is shown, and even in the View > Show all devices, I only see this partions' Volumes. While in the Disk Utility > Partion (with the Apple SSD ...
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80 gb missing "free space" after deleting bootcamp - resizing container does not work, Error: -69716 [closed]

(Update to the previously closed question: this is a frequent issue. In a previous post, I was suggested to resize the container. However, this does not address the issue in my case. I have tried ...
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80 gb missing "free space" after deleting bootcamp - resizing container leads to error 69716 [duplicate]

(Update to the previously closed question: this is a frequent issue. In a previous post, I was linked to a similar question which suggested to resize the container. However, this does not address the ...
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Is there a way to repair the FS of an external disk (apfs)?

I have a problem with an external disc I want to mount. In Windows, this shows as a partitioned disk with "unknown" fs-type. In MacOS, I get afps. So I guess mostly everything is ok. Anyhow, ...
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Unable to resize an APFS container partition to make use of free space

I want to know how can I claim my free space to the container disk0s2 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme ...
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How to TurnOn FileVault for (Macintosh HD - Data) while it is already On for (Macintosh HD)

I saw on the Apple documents on their website ( Here: https://support.apple.com/en-us/HT210650 ) that Macintosh HD is read-only volume called maybe "startup disk" for system files and user ...
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Is my Mac 256 GB or 512 GB according to diskutil and “About this Mac” images posted below?

I bought a Mac recently and I am very new to Mac. The seller says its 512 GB but from the screenshots below I don't know if its 512 GB or 256 GB please kindly let me know.
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Incorrect Boot Camp Delete

I tried to remove some space from the Boot Camp partition and return it to the Mac partition using MiniTool Partition Wizard. It required me to restart my Mac to have it work (MiniTool Partition ...
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Superduper crash when copying partition and now my 1TB is showing 1GB it lost the MBR GUID how to recover it?

Superduper crashed and now I cannot use my SSD (1TB) The disk is a Dell 960GB you can see the image what it shows in Disk Utility I already tried this: diskutil info disk14 Device Identifier: ...
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Reinstalling macOS Monterey Error

I'm getting this error when running Recovery/Internet Recovery Mode when trying to reinstall my MacBook Pro 2018 for resale. Installation seems to be going fine, downloads and installs through the ...
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is it possible to build a RAID1 with one disk in Disk Utility and add the second disk later?

I am currently using a single disk (disk 1) for my Time Machine backups. I want to migrate this to a two-disk RAID1 volume. I already have a second disk (disk 2) that is identical to my Time Machine ...
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Not able to boot into MacBook Air (2017)

I have a macbook Air 128 GB (2017) model. It was working fine, until I decided to reset it. I restarted and went into recovery mode, into Disk Utility and erased the “Macintosh HD” volume group. After ...
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External SSD displaying as RECOVERY

I have a 2TB SSD Crucial X6 drive attached to my MacMini. It has all of my DAW stuff on it. I had 2 partitions for both Windows and Mac (50/50 split). It worked fine for a while - but recently when I ...
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Used Disk Utility to Format a Flash Drive as exFAT but Returns as NTFS

I format a flash drive as exFAT on macOS (M1 Pro) but after the format, diskutil list shows the partition as NTFS and it also shows up as NTFS on OpenBSD and Linux. This is strange and I’m not sure ...
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How recover boot drive? Mount the macOS drive [duplicate]

I have problem. MacBook Pro 15 2010 A1286 with two OSes on-board: Win7 on BootCamp and macOS. The second drive (which is installed instead of the DVD) is turned off when macOS worked. The plume fell ...
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MacOS Disk Utility not showing all the space

I had two disk paritions, (disk0s2 and disk0s4 that are roughly 300GB and 200GB respectively). I wanted to merge the smaller one with the larger one. I ran, in the following order: diskutil ...
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Can't get rid of a disk partition on mac

I have a base model MacBook Pro with M1 and 256gib of storage. I tried macOS Ventura and it was fine, but I didn't like it much so I reverted to Monterey by adding a partition and installing it here. ...
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Can I delete this extra Macintosh HD - Data partition?

I had Boot Camp set up on my late 2013 MacBook Pro. I was trying to remove Boot Camp and Windows to free up space, but Boot Camp told me I needed to run First Aid. I ran First Aid but now my ...
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Disable "The disk you attached was not readable by this computer" for disk

When I enter a USB drive that is encrypted with veracrypt, I get an error message: The disk you attached was not readable by this computer Eject - Ignore - Initialize Which I select "Ignore&...
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Mac OS JBOD Array - incorrect total size

I've got a Mac Mini with a bunch of external hard drives configured as a single JBOD array. I recently got a new drive and tried to expand the array by clicking the "+" in the lower portion ...
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How can I listen for when a disk image is ejected on OS X?

I am looking for a way to determine whether or not a volume was recently ejected on OS X. Specifically when a DMG volume is unmounted/ejected but I don't understand enough about the system to know ...
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500 GB disk, 250 GB free space - Can't partition disk to add data

I have an issue on my Macbook. I have had a dual boot with Windows (through Bootcamp) and removed this partition later as I didn’t need Windows anymore, I did this through the Bootcamp tool. Though, ...
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APFS container/partition accidentally deleted with command "deleteContainer"

I accidentally place the command "diskutil apfs deleteContainer disk0" in recovery mode and crash my os. I am wondering is the operation fully wipe out the partition, or I can somehow ...
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Does macOS's newer "Erase All Content and Settings" feature yield different results than reformatting the startup drive?

According to Apple, "macOS Monterey includes Erase All Content and Settings, a way to quickly and securely erase all of your settings, data, and apps, while maintaining the operating system ...
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Cannot mount √ - Data volume in Catalina

My mac mini 2012 suddenly couldn't boot this morning. It looks like the main volume (with everything) is unmounted, for some reason. When I try to mount it in Recovery Mode, I get a com.apple....
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Make APFS external Hard Drive without EFI

Is there any option to do a reset of an external hard drive without losing space on the hard drive? I want to use APFS Format and the only way to do it is with Terminal: Locate hard drive with : ...
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Trying to install a new macOS but it says I need Wi-Fi to continue but I have no option to add Wi-Fi

So I’m trying to reinstall macOS onto my Macbook Air and it’s telling me that I need to add Wi-Fi to continue. The only thing is it doesn’t give me the option to add my Wi-Fi. How can I resolve this ...
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2 votes
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Monterey retake space from free space partition

I have tried the method from this page but I cannot manage to reclaim the free space. Output of diskutil list: diskutil list /dev/disk0 (internal, physical): #: TYPE NAME ...
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Can't resize APFS container of SSD disc to install Windows

I'm trying to resize a AFPS container to install Windows with Bootcamp but it keeps freeze on resizing. It's a 2012 MBP 13'' with Catalina (10.15.7) and with a replaced internal Disc replaced for a ...
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macOS partition is showing as unknown area after installing Ubuntu

I tried to install Ubuntu alongside macOS. At some point, I lost the ability to load macOS from the boot menu. The container appears as unknown in Disk Utility: I really need your help, as there is ...
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San Disk Extreme 1TB SSD (1050Mb/s) taking up 10 times more storage than actual size

Just got a Sand Disk Extreme SSD, intially this 14gb filled the SSD to full, formatted it on windows with default allocation size and exFat format, still did the same. Then formatted it on MacOS and ...
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External Hard drive not showing up in Disk Utility

I recovered a 160Gb hard drive (WD Scorpio Blue) from an Apple TV 1st generation. I thought I could use it for storage. But when I plug it in with an adapter, I don't see the drive show up in Disk ...
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Why will an APFS fail to mount, but HFS+ on same disk mounts successfully?

I got a new Western Digital 4TB MyBook a year ago that I was using as a Time Machine drive for my laptop. Just today, it suddenly failed to mount. I ran Disk Utility/First Aid on the drive which ...
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Merge Unallocated Space with a macOS Extended (Journaled) Partition via Terminal

I have a 2 TB external hard drive and it contains an exFAT partition named "2 TB HDD" of 1.5 TB and a macOS Extended (Journaled) partition named "Time Machine" of 500 GB. I noticed ...
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Used MacBook Pro - Can't wipe drive and install clean version of MacOS

Bought a used MCP mid-2015. I am a novice, so my apologies up front. The seller previously upgraded from a 256 GB SSD to a 1 TB SSD. Seller did the upgrade himself and has been using it for some ...
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Missing 100GB when trying to install Linux

Also does anyone know if it's safe to delete the disk0s5, disk0s1 and disk0s3? Edit: oh yeah and here's the error i got when trying to install it again: and the log: https://www.mediafire.com/file/...
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How can I determine why macOS reports that system data increased by over 50 Gb overnight?

I recently had some trouble with System data growing large, up to 150 Gb, for unclear reasons on macOS Monterey, macOS 12.0 Beta. Yesterday I found out that it was due to time machine snapshots. I ...
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M1 Mac, how do I delete those partitions? [duplicate]

I was trying install linux, but an error occurred and I'm stuck with those partitions. The container disk4 one has a valid [-] button, but if I try to delete it, this happens. The other 2 partitions ...
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Unable to see Macintosh HD, error 69770 on Running First Aid

I have deleted Linux partition from my drive and now I cannot see it, only empty drive. After typing diskutil list: /dev/disk0 (internal, physical): #: TYPE NAME ...
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MAC Other Volume Issue

I am new to MAC and having issue with my Mac. I am getting "no disk space left". I hardly have some GB of data on my MAC, rest is occupied by other volumes. I don't know what's occupying the ...
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Create temporary partition or volumes

I'm on macOS Catalina. I have a single 1TB volume. I am trying to test an application which will write data to preconfigured volumes, and it does some logic based on how much free space is available ...
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Selecting correct installation disk

I'm trying to install a piece of software (specifically JMP Pro 16) onto my Macbook Air running OS Monterey. When I get to the "Destination Select" screen of the install process, it gives me ...
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Is it possible to mount an encrypted disk image so that only current user is able to access it?

I use VeraCrypt to mount an encrypted volume. When the volume is mounted, other admin users are not able to access it: admin1 % admin1 % su - admin2 admin2 % ls /Users/admin1/veracrypt_mounted admin2 %...
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Cannot re-allocate free space to main disk

I have a Boot Camp partition that I wanted to make smaller, so I would have more space on my main macOS container. I followed this tutorial, but I'm struggling with the last step. I successfully used ...
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