Force erase disk Mac Terminal

Working with Terminal Start off by running the following command in the command line: Diskutil list This is going to list all the mounted drives on your Mac. Once you have found the proper drive to erase, just copy its identifier so you can use it for the next command To erase a disk from the command line on the Mac, we'll use the familiar diskutil command with the eraseDisk verb and other appropriate flags to specify options for how we want to erase the disk, and to identify which disk is to be erased. The basic syntax for erasing a disk from the command line in macOS is as follows If the former, you'll need to enter recovery mode (by holding Command+R during the boot sequence) and use Disk Utility to erase the storage device. Whilst in recovery mode, you can also reinstall MacOS

How to Fix "Erase Process Has Failed" on Mac Disk Utility

Force formatting in Mac CODE you need for Terminal: Step 1: diskutil list Step 2: diskutil unmountDisk force Select the disk that has the entire files you need to delete. Click on First Aid to repair the disk; Part 6. Summary. You can empty Trash via terminal on Mac or other several options we have just provided. In case you are caught up with any of the given situations above, you now understand what to do I'm trying to delete all the partitions on my SSD drive and create new GUID (HFS+) partition table. Native Disk Utility is unable to eject disk to re-partition it. From the terminal, which is included in the OS X install, I've ran diskutil and here is the output: diskutil unmountDisk force /dev/disk0...12 also can't unmount disks Macheads101 shows us a simple command to erase your entire hard drive in a MAC OS x terminal. You can either log in as administrator and simply type rm -rf / to format or you can just type Sudo rm -rf / to start. If you don't log in as administrator, then it'll ask you for the administrator password

To find out about it in detail, type man diskutil at the Terminal prompt. Within the man pages, you'll find the explanation for how to securely erase a disk's free space using diskutil :.. The command. sudo diskutil eraseVolume jhfs+ MyVolume disk0s4. should make the partition visible in the Disk Utility application. This command will erase the contents partition 4. You should probably quit the Disk Utility application before entering this command. Once disk0s4 becomes visible in the Disk Utility application, you can remove the. In the sidebar, select the drive you want to erase or reformat. Click the Erase button at the top of the window. Disk Utility presents several tools at the top of the window. Choose a new name and format for your drive, then click Erase diskutil eraseVolume JHFS+ drive /dev/disk0s4 Here, instead of disk0s4, use the correct volume identifier as per the table you saw when you entered the list command. JHFS+ is short for Journaled..

If you are having trouble with the Disk Utility App for erasing or formatting a drive, you can try using the Command Line in Terminal to erase or format a dr.. The entire format of the diskutil command is diskutil erase disk. For instance, to format the disk2 in the HFS+ format, you can just enter the command diskutil eraseDisk HFS+ DISK disk2 and press the return key. Step 5. After that, just wait for the commands to process as your selected disk would be formatted in the supported file system Look for your startup disk in the left panel under Internal. It is named Macintosh HD by default unless you changed it. Click on the Erase button at the top of the Disk Utility window. A dialog box will pop up to inform you that erasing the disk will delete all data stored on it, and cannot be undone If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder. Choose View > Show All Devices. In the sidebar, select the storage device you want to erase, then click the Erase button. Click the Scheme pop-up menu, then choose GUID Partition Map Erase Mac Hard Drive by Using Terminal Back up your hard drive's data before working with Terminal. Use the command version of Disk Utility (diskutil) in Terminal to secure erase Mac hard drive. Steps are as follows

Once the terminal window is opened, enter the keyword sudo rm -R (without the quotes). Make sure you place space before -R and don't press enter as of now. Now, open the Trash folder on your Mac and select all files on it. Drag these files and drop them to the Terminal window Erase your Disk via Terminal If you see that, there is a problem with your Disk Utility application on your Mac, then you must try to do the same thing via Terminal. It is the best and authentic cleaner approach to erase any disk and would help you a lot to meet your requirements easily Erase External Drive Using Terminal. You need to be more cautious while erasing your external drive using Terminal. Because the use of the erase command on a wrong drive can result in a data loss disaster. So, back up your data before executing the command. The Terminal commands to erase an external hard drive is shown next Erase Disk. As the name implies, this does a simple erase of the disk and marks the free space as empty with no file system or partition scheme. $ diskutil eraseDisk free Empty /dev/diskX Re-partitition the Disk. I like to force a rewrite of the partition map to something that macOS is familiar with like a GPT partition and HFS+ file system This article explains how to format a USB drive on Mac using the command-line. Even though using the Disk Utility tool to format your USB drive on Mac is a straightforward procedure, sometimes you might want to use the Terminal.Its use allows you to execute commands that provide the same result without having to rely on software applications

Navigate to Applications > Utilities and choose Disk Utility. Select the drive you want to format from the left-hand navigation menu. Click Erase in the bottom right-hand corner. Select a file system to format the drive with Launch Terminal by navigating to Finder > Go > Applications > Utilities. In the Terminal window, type in the following command: diskutil list This will list down all the available disks on your Mac. Look for the disk that you want to force unmount and take note of the number of the drive Deleting APFS Volume via Terminal. To delete a volume or partition on your Mac using commands, follow the instructions here: Go to Apple menu > System Preferences and open the Disk Utility tool. On the left menu, you should see the APFS volume or container for your Mac. Choose that APFS volume or container, then right-click on it. Click Eject To wipe your mechanical drive, open Disk Utility, which you'll find in Applications > Utilities. Connect the drive you want to securely delete, then click it in the sidebar. Make sure you click the drive you want to securely delete: you do not want to erase some other hard drive by mistake! When you're ready, click the Erase button Use Disk Utility to erase your Mac Start up from macOS Recovery: turn on your Mac, then immediately press and hold Command (⌘) and R until you see an Apple logo or other image. If asked, select a user you know the password for, then enter their administrator password. From the utilities window, select Disk Utility and click Continue

How to erase a disk from Terminal in Mac OS X - TarDisk

  1. al.However, this can also be performed using the command-line
  2. Disk Management From the Command-Line, Part 1. Disk Utility within Mac OS X provides a range of disk management tools, from erasing and repartitioning hard disks to restoring images and repairing volumes. It's a simple way of interacting with attached storage on your Mac. Beyond this graphical front-end are some powerful command-line tools that.
  3. The Secure Erase Free Space feature in Disk Utility on your Mac added a layer of privacy and security to file deletion. The feature allowed you to overwrite the free space on a drive to prevent.
  4. On your Mac, go to Applications > Utilities >Disk Utility. Click on the Erase tab (next to First Aid). Select the disk or volume in the list on the left panel. Choose a file system to which you want to format your external drive. Next, click the Security Option s button at the bottom

How to Erase a Disk from Command Line in Mac OS

[Solved] How to Fix Couldn’t Unmount Disk Error on Mac

Part 2: How to Delete Files/Directory Using Terminal How to Delete a File in Terminal. Some users are asking how to remove a file in Terminal or how to force delete a file Mac. It's easy to remove files/folders or remove directory Terminal. Here are the exact steps you should finish. Step 1: Open Terminal Mac. Method 1: open through Finder The first tool, and arguably one of the most important to erase disk in Linux and Mac, is dd, (Windows versions are available, but the use is slightly different). dd command for wiping drive is. 2) In Disk Utility, click on the drive 'Untitled' to select it in the left sidebar, then click the Erase button at the top of the window. Type in the new name for the drive (in this case, 'OWC Mercury Elite Pro mini'), make sure that 'MacOS Extended (Journaled)' is selected as the format, and click Erase (see screenshot below) The flag always appears after the command. For example: rm -i <location>.In this example, rm is the delete command, the -i flag instructs the process to ask for user confirmation, and <location> would be replaced with the file or folder's location on the drive. Flags are case-sensitive. Change Directory: cd Example usage: cd /folder/ Use the cd command to change directories This should force erase the entire physical disk and all its related volumes, then create a single Mac OS Extended (Journaled) volume: 3) Hopefully you can now perform your desired erase, partition, installation or deployment on this drive

In the top-left corner of Disk Utility, click the View dropdown and select Show All Devices. The Mac's startup Fusion Drive should be listed in the Disk Utility sidebar: 1 The disk identifier may be another number. Select Container disk 2 in the sidebar and click the Erase icon in the toolbar 2. Erase Files from Flash Drive on Mac in Disk Utility. Now, we have Mac's Disk Utility which can be used to erase files from a flash drive, effectively. The steps are pretty simple. Here's how to delete files from USB flash drive on Mac, Step 1: So, connect the flash drive to the Mac. Then, run 'Finder' from the Dock Reader Jim Bradley seeks a way to securely wipe the data from his hard drive. He writes: Some time back there was an ad for software that would erase hard disks with the method approved by the U.S.

When the macOS Utilities window appears, select Disk Utility and click Continue. In Disk Utility, select the disk that contains the file that you want to delete. Then use the First Aid feature of Disk Utility to repair that disk. Then, quit Disk Utility, and restart your Mac and empty the Trash. 3. Where is trash on Mac terminal 2. Reformat the USB Drive. When you open the Disk Utility, the tool will look like below: Select the preferred USB Drive from the menu on the left side of the screen. Click on Erase on the top toolbar. You'll be prompted to select a name for your drive and the desired format

To replace the corrupt partition map simply go to Disk Utility and erase the USB drive with Disk Utility. installing macOS High Sierra on any compatible Mac. Read More Terminal Commands for. The next sections describe numerous methods to repair Mac storage drive without Disk Utility. 1. Use FSCK Command in Terminal to Repair External Hard Drive. When Disk Utility's First Aid can't fix the file system corruption issue on your Mac external hard drive, run the fsck (file system consistency check) command in the macOS Terminal

Format USB Drive on Mac using Terminal on Mac: Through Command. if you won't able to format the drive using Disk Utility Window on Mac, then here is the alternate method to change the format of a Pendrive to exfat. Use Trick to Force Erase USB drive. Carefully follow the stepwise guide and format USB Drive 2. Enter the following command into Terminal: diskutil list. 3. Once you enter in the command, you'll get a list of your connected external hard disks to your Mac. 4. What you need to note down is the specific disk identifier for the external disk you'll be formatting: this can be found in front of the specific disk To create the bootable installer, plug the USB drive into your current Mac. Click the Go menu and select Utilities. Open Disk Utility, select the USB drive, and click the Erase icon. You can name.

In this tutorial, we learn how to eject devices from the use of the terminal for Mac. First, go to the terminal of your computer where you will see a notepad sort of page. Next, type in df and then press return. You will now see a list displaying processes on your computer. On the bottom will be your public zoning device, which is your USB device. Next, type in hdiutil eject -force (the. How to securely erase a hard drive. Even though all new Macs these days come with SSDs, or flash storage (which I'll discuss below), there are still plenty of hard drives in use today. Whether it's a hard drive in an older Mac or an external hard drive, if it is accessible, you can use Disk Utility to securely erase it. Here's how Inside the Disk Utility screen, wait for the drives to load and then select the 'Macintosh HD' drive from the left sidebar. On the right-hand side of this screen, click on the 'Erase' button at the top. When the 'Erase Macintosh HD' dialog pops up, click on the 'Erase Volume Group' My Mac Mini w/ Fusion Drive (that's a hard disk and an SSD pretending to be a single volume for better performance) froze and wouldn't boot. Nothing would make it boot normally again. Recovery mode was OK but couldn't erase the boot volume nor mount it via Disk Utility (I just got Unable to delete the core storage logical volume. Click the Utility menu on the top of the screen and choose Terminal. In the terminal window type resetpassword and then press return. Click on the new window that pops up. Click the Recovery Assistant menu. Click Erase Mac and follow the prompts to erase your Mac

Step2: Then, type diskutil list to get the list of all the disks on Mac. Step3: Now, search for the disk you want to force unmount. Step4: After finding the disk, type sudo diskutil unmountDisk force/dev/diskx line and replace /dev/diskx with /dev/disk1 which is an acceptable disk number Select the External drive or Flash Drive on the left that shows the capacity. Click on the Erase option across the top in the main window. Format an External Disk or Flash Drive for Mac in Maverics. Now type a new name for the Volume and select the format type as Mac OS Extended ( Journaled). Now click the Erase button and confirm again. I boot from the USB flash drive. The 2011 Macbook Pro only has USB 2.0 ports so the macOS High Sierra installer takes longer than expected to load. I run the Disk Utility application, select the internal SSD, and erase the drive, selecting Mac OS Extended (Journaled) as the file system format. Disk Utility barfs and fails

How to erase disk from Terminal in MacBoo - Apple Communit

Click the popup menu next to Format and set the drive format to Mac OS Extended. Click Erase to wipe the drive clean using the above parameters. Click Done after the disk has been successfully formatted. Now open Terminal, which is in the Utilities folder of your Applications folder This will display a list of all your Mac's hard drives. What you need to copy is the Identifier number beside your selected disk. In my case, I want to securely erase the free space on the disk. Formatting a drive will erase all of the data it contains, so make sure you have a backup of the data, if needed, before proceeding. When you're ready, click the Erase button. Disk Utility will create an APFS container, along with a single volume within the container. Adding Containers A drive formatted to use APFS can have multiple containers

DISKPART Fix Error: Can not delete a protected partition

How to Force Mac Disk Utility to Erase disk - macOS High

Once installed, open Disk Drill. Inside, you'll be able to see your hard drives and partitions, as well as a Search for lost data button. Click the Search for lost data button on the drive where data loss has recently occurred. This will begin scanning the disk for recoverable data. Recover Your Files Again, the command line comes to the rescue. You can specify a 34-pass erase using the secureErase command. Without the GUI of OSX protecting you, it's easy to select the wrong disk to erase 1. To begin with, you have to access the Terminal application. 2. Then, input the diskutil list line, which will list out all the disks on the Mac. 3. At this time, you ought to find out the disk that you want to force unmount. 4. Lastly, you should type sudo diskutil unmountDisk force /dev/disk line Open Disk Utility after connecting your external drive. Click Erase, when you are done selecting the external hard drive from the sidebar. Give a name to the drive, then you will set Mac OS Extended as format and GUID Partition Map as a scheme. Hit on Erase to delete and reformat your external hard drive

How to Force Empty Trash on Mac via Terminal? (Trusted Ways

  1. It's Mac's native disk maintenance tool. To format a USB flash drive, simply plug the drive into your Mac, and choose it from Disk Utility's sidebar menu. Then choose the Erase tab from the top bar. A pop-up menu will appear, and you can customize many options here. First is the type of file system that you want to use
  2. Insert the USB drive. Open the Disk Utility app. Select the USB drive and click the Erase button. Choose the Name as Untitled , Format as OS X Extended (Journaled) and select Scheme as GUID Partition Map. This option is used for all Intel-based Mac computers. Click Erase, then click Done
  3. al to the rescue. $ diskutil eraseDisk JHFS+ Name /dev/disk0. #ter
  4. al. With this option, you need to be careful. Entering the wrong command could clear out a lot more than the Trash on a Mac. Open Ter

How to force drop all partitions and erase disk from terminal

  1. al: diskutil repairvolume /Volumes/ [drive identifier]/ and press Return. Just as before, I'll use SD as my drive identifier. If you wish to target a different drive, insert the name of that drive instead of SD
  2. al trick should only be used if the other methods don't work. How to force the trash to empty on a Mac using Ter
  3. Force dismount a stuck volume - Mac OS X Hints. Force dismount a stuck volume. Apr 26, '02 08:30:26AM • Contributed by: Alieno. I found that the command. % hdiutil eject -force device_name. is able to simply force eject a unit witch refuses to unmount due to files still in use. The device_name can be estabilished by consulting the df command
  4. al in Mac OS X diskutil eraseDisk JHFS+ DiskName /dev/DiskNodeID. Formatting a Disk to Mac OS Extended (HFS+) from Ter
  5. al to return to the recovery system. Step 2 - Rebuild a functioning fusion drive. Start diskutil from the recovery tool menu - it should show two drives in red - the normal and the SSD parts of the fusion drive. Click on one of them and diskutil should state that it's a damaged fusion drive and offer to fix it. Click fix
  6. The flag always appears after the command. For example: rm -i <location>.In this example, rm Is the delete command, -i The flag prompts the process to ask the user for confirmation, and <location> Will be replaced with the location of the file or folder on the drive. Flags are sensitive. Change directory: cd Example usage: cd /folder/ use the cd Order to change directories, for example: cd.
  7. Select the volume that you want to erase. Click 'Erase.' Disk Utility will now wipe your hard drive. Once the process is complete, select 'Quit Disk Utility,' to return to the main macOS Utilities window. Installing a fresh copy of macOS via Recovery Mode. For the majority of Mac users, reinstalling macOS means booting into Recovery.

How to Erase your hard drive from the Mac OS X terminal

-r: Recursive delete-f: Force delete a directory-v: Verbose output; Delete a non-empty directory in Linux terminal. In case if you don't have the permission to delete the folder run rm command as a root user. Otherwise, you will see permission denied message on the screen. Therefore to avoid that prefix sudo at the beginning of the rm command Hello, Ive been erasing freespace on my Macbook Pro 2015 retina SSD drive every month using a secure pass35 wipe using this terminal command line Press J to jump to the feed. Press question mark to learn the rest of the keyboard shortcut When your hard drive starts to fail, Disk Utility offers some useful disk repair tools. But if they don't get it done for you, you might want to turn to one of the big guns: fsck. fsck , which stands for File System Consistency Check, is a command-line tool that reviews and repairs the underlying structure of a hard drive To fully clean up your drive, you can use another Terminal command to securely erase all its free space. (This feature used to be available in Disk Utility, but Apple removed it.). The command is as follows: diskutil secureErase freespace LEVEL /Volumes/DRIVE. Replace DRIVE with the name of your drive, and LEVEL to a number from 0 to 4

Step 3: Wipe Hard Drive using Wipe Command. 1. Open Terminal, go to Application -> Accessories -> Terminal. 2. Enter the below command in Terminal: sudo fdisk -l. 3. Terminal window will show a list of hard drives. Identify the right hard drive by checking the drive format like NTFS or FAT32 and Hard Drive size From the diskpart prompt, type list disk and press Enter. A list of disks will appear in a text format. You will return to the diskpart prompt. Step one verified that Disk 1 is the 3TB drive. Warning: Diskpart Erase/Clean will permanently erase/destroy all data on the selected drive. Please be certain that you are erasing the correct disk Force delete the file. If all else fails, another terminal command can force file deletion. Enter sudo rm -r [path to the file]. In most cases, this command will delete the file once granted administrator permission with the password

Disk Utility Tip: Fix &#39;Couldn’t Unmount Disk&#39; ErrorsHow to Format USB Drive on Mac: MacBook Pro/ MacBook Air

The first step, is to verify that your Mac is definitely lacking a Recovery partition. You can perform this check, using the Terminal application: Open a new Finder window. Navigate to Applications > Utilities and then launch the Terminal app. Copy/paste the following into the Terminal: diskutil lis Mac users having already deleted files and needing to ensure those deleted files are unrecoverable can take the extra step of securely erasing free disk space. To securely erase free disk space.

Securely erase free space from Terminal - Macworl

disk utility - How to remove a partition with terminal

Open Applications → Utilities → Disk Utility and then Erase (format) the USB flash drive into Mac OS X Extended(Journaled) format. Rename the USB flash drive to Sierra. (Note: the drive name should be the same within the corresponding command, if you change the drive letter name, you must make sure that the name. On several occasions, I've helped clients back up their files with the intention of performing a full erase and reinstall of the Mac OS. The client leaves me with their computer, then I realized FileVault 2 is enabled and I am unable to erase the Drive in Disk Utility because I am required to enter the user's credentials By default, Disk Utility in Mac OS X will erase and format a disk as a Mac OS Extended Journaled (HFS+) format with a Globally Unique Identifier Partition Scheme A.K.A GUID or GPT. This is used for bootable or non-bootable disks (external storage) to be used with Mac OS X, or as external non bootable storage for other systems with HFS+ drivers Next, boot your Mac using this USB drive as it will allow you to access and work with the older version of Disk Utility. To get started with the previous version, follow the steps below: Step 1. Choose your Mac's system drive, usually named Macintosh HD, then click Erase. Select the Format option Mac Extended (Journaled) or APFS. Click Erase, confirm the action if prompted, and wait until.

Can't erase or reformat a drive in macOS Disk Utility? 3

Securely Delete Files Using an Encrypted Disk Image. A lot of software for the Mac is distributed in disk images or .dmg files. Disk images are also a convenient way to package up and securely. How to delete a hard-drive partition on a Mac. With your partition selected, click the Erase button at the top of Disk Utility. This will bring up a window with an Erase button Use Terminal to Execute Commands. Your Mac comes with an app called Terminal under Applications > Utilities. This is how you execute commands on your Mac using the command line. Launch Terminal by finding it in the Utilities folder or by searching for it using Spotlight, and then familiarize yourself with the interface Click on the Apple icon in the top menu bar. Click About This Mac. In the window that pops up, click on Storage to bring up the storage pane. Click the Manage button. From here, you should see a number of options that could help clear out the storage space on your Mac. That includes storing files and photos in iCloud, optimizing storage by. How to delete local snapshots on your computer running Mac OS X or MacOS High Sierra? Mac computers have a built-in backup solution called Time Machine. Like most of Apple's developed apps, Time Machine is easy to use, and allows users to restore important files and system settings in the event of a Mac problem or system failure

Delete a Partition in macOS Using Terminal When Disk

Permanently Erase or Wipe Data on Mac, DoYourData Super Erase for Mac is powerful Mac data erase software that can permanently and completely erase files, folders and data on a Mac hard drive or storage device. It will destroy/wipe the selected data and overwrite the disk space with zeros/ones or random bits Next, select the Disk Utility and choose the drive under the Internal option. Step #5. Next up, click Erase and then give a suitable name to the drive. Step #6. Make sure the Format is Mac OS Extended (Journaled) and the Scheme is GUID Partition Map. After that, click on Erase and hit Done. Step #7. Up next, click on Disk Utility and choose. To securely wipe a disk with diskpart in Windows 10, do the following. Open an elevated command prompt. Type the following: diskpart. Type the following in diskpart's prompt: list disk. It will show a table with all your disks. Note the number of the required drive. In my case, it is Disk 1

How to Erase or Format a Mac Hard Drive via Command Lin

Format the USB flash drive using these steps: Plug the USB flash drive into your Mac. Launch the Disk Utility application. On the left-hand pane, select the USB drive (not the partition under it, if any). Click on the Erase tab (or button at the top). Input a name like Sierra (this name will be overwritten later) As I explained in the above article, you can't yet resize or delete APFS containers from Disk Utility. You have to use diskutil from the Terminal. Check this article and see if it helps Step 5: Erase your startup drive . Time to say goodbye to your old macOS. Erase your startup drive fearlessly — you have your most important files securely backed up. Here are the three steps: Shut down your Mac and hold down Command + R to enter the Recovery Mode; Access Disk Utility and select your main startup drive; Click Erase in the. Try then to erase, Mac OS Extended (Journaled) format, with Fastest Security Optiion, I get Disk Erase Failed with the error: Unable to write to the last block of the device. With any of the Security zero overwrite functions, the result is Secure Disk Erase failed with the error: Securely erasing data to prevent recovery failed

2011 iMac replaced hard drive now unable to mount | Apple

Complete Guide to Fix Erase Process Has Failed on Ma

Be sure you've selected your WD Elements drive at the right level in the Disk Utility screen. See Step 3 and picture above. If you're still having a problem with the erase on your Mac then watch this video. The text is a little small but the video is incredibly useful. The instructions you type into your Mac's Terminal window are. 3. Next, paste the copied code in Terminal on your Mac. Make sure to change Drive to the name of your USB drive. Then, hit the Return key. 4. If asked, enter your system password and hit Return. Terminal may warn you that your external USB drive will be erased. You need to type Y and hit Return to proceed. 5 3. When you see a list of recovery utilities, click Utilities from the top menu and select Terminal from the drop-down menu. 4. Type resetpassword in Terminal, then press Return. 5. Click the Reset Password window, choose Recovery Assistant, and then click Erase Mac. 6. Click Erase to confirm your operation and then your M1 Mac will restart. Step 1: Get your disk/usb flash connected to MAC. Step 2: Start terminal in mac. Step 3: Start disk utility. Step 4: Type ' diskutil list '. Step 5: Type ' diskutil verifyDisk /dev/disk2 ' when disk2 is the one that you need to repair. Repair usb drive mac command line Part 2. How to Delete Other Volumes in Container on Mac? Let's begin with the most straightforward. You can remove APFS volume with simple steps for Macintosh HD and an external drive. Invoke Disk Utility to delete an APFS volume. Head to Application> Utilities > Disk Utility and pinpoint the APFS volume that you wish to delete

How To Wipe A MacBook & Reset It To Factory Setting

4: Install Mojave 10.14 on your startup disk drive. Make sure you backup your Mac to keep your important files, before taking next step, that erase your Mac's Startup drive. To erase your Mac's main drive: Go to System Preferences; Сlick Startup disk and choose the installer you just created Add, delete, or erase APFS volumes in Disk Utility on Mac . with the device name of your destination volume, i.e. /dev/disk2 [SOLVED] Copy of . macOS that supports APFS file system viz. Sierra, High Sierra, Mojave, Catalina and Big Sur has an excellent feature to add new volumes to an existing APFS