- After upgrading to macOS 10.13 High Sierra, you may notice that there is a category named 'Other Volumes in Container' in Storage and 'Other Volume' in Disk Utility on your Mac. And the problem is that when you are getting the warning ' your disk is almost full ' from the Mac, other volumes in container are taking ten or even hundred gigabytes.
- If you choose About This Mac, click on the More Info button, and then click the Storage tab you will indeed see a very general graphical layout of the file allocation for each volume connected to.
- This feature allows space to be shared between volumes in a container, and helps the Mac manage free space on its hard drives more efficiently. However, space sharing also makes some troubles. Since these APFS volumes share the free space, if errors happen to one volume, other volumes will get involved too.
- Users partition their Mac hard drives to avail two main benefits: The data stored on one volume is isolated from the data stored on other volumes and thus partitioning introduces a level of.
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A volume has a file system and a name along with its size. For example, all disk icons that you see on a Mac's desktop are volumes. Also, when you plug in your USB flash drive, it will be treated as a volume. In terms of flexibility, volumes have the edge over partitions.
Disk Utility can find and repair errors related to the formatting and directory structure of a Mac disk. Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely.
Before proceeding, make sure that you have a current backup of your Mac, in case you need to recover damaged files or Disk Utility finds errors that it can't repair.
Open Disk Utility
In general, you can just open Disk Utility from the Utilities folder of your Applications folder. However, if your Mac doesn't start up all the way, or you want to repair the disk your Mac starts up from, open Disk Utility from macOS Recovery:
- Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:
- Apple silicon: Turn on your Mac and continue to press and hold the power button until you see the startup options window. Click the gear icon labeled Options, then click Continue.
- Intel processor: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R.
- You may be asked to select a user you know the password for. Select the user, then click Next and enter their administrator password.
- From the utilities window in macOS Recovery, select Disk Utility and click Continue.
Select your disk in Disk Utility
Choose View > Show All Devices (if available) from the menu bar or toolbar in Disk Utility.
The sidebar in Disk Utility should now show each available disk or other storage device, beginning with your startup disk. And beneath each disk you should see any containers and volumes on that disk. Don't see your disk?
In this example, the startup disk (APPLE HDD) has one container and two volumes (Macintosh HD, Macintosh HD - Data). Your disk might not have a container, and it might have a different number of volumes.
Repair volumes, then containers, then disks
For each disk that you're repairing, start by selecting the last volume on that disk, then click the First Aid button or tab.
In this example, the last volume on the disk is Macintosh HD - Data.
Click Run to begin checking the selected volume for errors.
- If there is no Run button, click the Repair Disk button instead.
- If the button is dimmed and you can't click it, skip this step for the disk, container, or volume you selected.
- If you're asked for a password to unlock the disk, enter your administrator password.
After Disk Utility is done checking the volume, select the next item above it in the sidebar, then run First Aid again. Keep moving up the list, running First Aid for each volume on the disk, then each container on the disk, then finally the disk itself.
In this example, the repair order is Macintosh HD - Data, then Macintosh HD, then Container disk3, then APPLE HDD.
If Disk Utility found errors that it can't repair
If Disk Utility found errors that it could not repair, use Disk Utility to erase (format) your disk.
If your disk doesn't appear in Disk Utility
If Disk Utility can't see your disk, it also can't see any containers or volumes on that disk. In that case, follow these steps:
- Shut down your Mac, then unplug all nonessential devices from your Mac.
- If you're repairing an external drive, make sure that it's connected directly to your Mac using a cable that you know is good. Then turn the drive off and back on.
- If your disk still doesn't appear in Disk Utility, your Mac might need service. If you need help, please contact Apple Support.
Nov 16, 2020 • Filed to: Solve Mac Problems • Proven solutions
If you have tried partitioning a hard drive without any previous experience then you understand that it is a daunting task. Handling the Mac partition manager is not as easy as it sounds. Once you learn the process, it gets pretty easy. The good thing is that you don't need any external or third-party tools for partitioning.
So, in this article, we are going to guide you through partition and un partition on Mac without any hassle.
Part 1. What Does Other Mean in Mac Storage?
Before you step into detail, first you need to understand what exactly the term partitioning means.
By Partitioning your Mac drive, you split the hard drive in two or more separate, usable systems. This feature allows the users to run multiple OS on the same system/device such as Windows and macOS simultaneously. You can even run two versions of macOS on the same system. The partitioning also divides the storage space on the hard drive. And a specific portion goes to each partition. So, if you are running out of storage, it is advised that either you extend the storage or avoid partitioning at all.
Here are some advantages of Partitioning that will convince you that it is beneficial for the users.
- You get to switch between different versions of OS X including Tiger, Leopard, or Snow Leopard at the same time.
- The users can use the Boot Camp Assistant to run Windows OS on the Mac system. This way, you get to save some bucks and efforts to maintain two separate systems for your needs.
- During the startup Volume disk errors, it is needed that the repair program is run from another volume to fix the errors. Partitioning of Mac allows the users to keep a disk where the bootable copy of OS X is stored and it can be used to run Disk Utility.
- You can share your iPhoto Library between two or more user accounts on Mac after partitioning.
- Partitioning also allows Mac users to manage their backups efficiently. You can use Mac Time Machine without using an external hard drive.
If you opt-out for partitioning, make sure that your Mac has enough space otherwise the disk performance would decline and you might experience some working issues in both drives.
Part 2. How to Partition a Hard Drive on Mac?
There are two methods that allow the users to create a partition on Mac. The first method is using Disk Utility and the second one is using Boot Camp. Both these methods work great to partition hard drive on Mac.
Method 1. Disk Utility:
The Disk Utility is used when you wish to partition Mac and wants to install a different version of the same OS. As we all know, Disk Utility can perform various tasks on Mac including repair and partition. The Mac partition Manager is used for this process. Before you initiate the process, it is advised that you create a full backup of your device data in case some fault arises. This way, if anything goes wrong, you will still have a copy of your data files.
Now, follow the steps given below to partition your Mac drive:
- Press Command + Shift + U keys from the keyboard or access the Utilities in the Application folder. Open the Disk Utility application and select the Mac Internal drive.
- You will see two options in the window, i.e. First Aid and Partition. Click on the Partition option and hit the '+' icon.
- A new partition will appear on the screen and you can set the storage space according to your requirements.
- Give a name to the new drive and tap on the Apply button. You might have to click on a lock symbol to finalize the actions.
You can make changes to the drive even after you've created the partition. When the process is finished, the partition will be visible on the main drive. The partition size can also be modified later when required.
Method 2. Boot Camp:
Remember that you cannot partition hard drive on Mac using Disk Utility if you want to install Windows on the other partition. The Boot Camp Assistant is a handy application for partitioning your Mac drive so that you can run and operate macOS and Windows altogether. In the later version of Mac, this application is pre-installed, so you only need to open it and follow the steps below:
- Open Application and go to Utilities. There you will find the Boot Camp Assistant. Double-click on the option to open the Boot Camp and print a copy of the installation and setup guide.
- Click on the Create or Remove a Windows Partition option and Continue with the steps.
- Now, you have to select a hard drive for partition. If you already have multiple drives, you can select any one which you prefer.
- Determine the size of the partition for Windows OS. You can't make a partition smaller than 5 GB and it is recommended that you at least keep 20GB of space for your partitions.
- Click on the Partition button at the bottom of the interface and your new partitions will be ready to use.
Now all there is left to do is to insert the Windows installation disk and you will have multiple OS working on the same Mac system.
By following the same methods you can partition an external hard drive on Mac whenever you want.
Part 3. How to Delete Other Storage on Mac?
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We have learned how to create a partition but knowing how to un partition hard drive on Mac is also crucial. The good thing is that the steps are not much different from the above procedure.
Using Disk Utility:
If you wish to erase or remove the macOS partition, then you'll have to use Disk Utility. You need to follow the steps as:
- Launch Disk Utility and click on the Partition which you want to delete from the volume.
- Here, select 'Go'>' Go to Folder' or you can use 'Shift + Cmd + G' shortcut.
- Switch to the Erase tab and ensure that the Mac OS X Extended is chosen. Tap on the Erase button to delete the partition.
- After that, choose the app folder you want to get rid of it. Next, drag it to trash to delete them from your Mac.
Within a while, the reallocated space will be distributed and you will be able to close Disk Utility.
Using Boot Camp:
As you used Boot Camp Assistant to create the Windows partition, you'll also have to use the same app for removing the partition.
- Boot your Mac into Mac OS X and open the Boot Camp Assistant. As the application interface opens up, you will see the Install or remove the Windows option.
- Continue and choose the Restore Disk to a single Mac OS partition option from the screen. Finalize the changes and hit the Restore button to begin the removal process.
It will take a while to remove the partition and when it is done, you can exit the Boot Camp.
Part 4. How to Recover Lost Data When Partitioning Mac?
The most common reasons why data get lost from a drive are given below:
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- During hard drive partition
- Drive format
- System crash
- Virus attack
Apart from these, there are other reasons too but these are the reasons which mainly affect the Mac hard drive. And as a result, data gets lost from the system. But you don't have to worry about that now as Recoverit is here.
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Recoverit - The Best Software to Recover Word Files:
Whenever you experience a data loss situation, Recoverit Data Recovery Mac will help you to retrieve it. This data recovery software will come in handy even when you've never made a backup of your device. You now know how to partition Mac hard drive and un partition it. But knowing how you can recover the lost or deleted files from the drive is also necessary. Mac os x keyboard shortcut symbols.
How to Recover Lost Word Files on Mac:
Step 1: Select a Location
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Launch the software and select the drive from where the data files are lost. If you don't know which drive to search, tap on the 'I can't find my partition' option, and hit the Start button.
Step 2: Scan the Location
Typically, the software will run an All-Around Recovery scan and search for the lost and deleted files on the entire drive.
Step 3: Preview and Recover
When the scan completes, the files will be listed on the screen. The software will sort out the files according to format to make the search easier. You can select multiple files at a time and have a preview at them.
Part 5. Tips for Deleting Other Files on Mac
Maybe you even know how to un partition a hard drive on Mac; you still have to be careful during carrying out the procedure. So, here are some tips worth keeping mind to make sure that you don't end up with some random error using partitioning or un-partitioning.
- The most important thing that you should do before starting is to create a backup of your Mac data.
- Keep this in mind when you are creating and removing the partition that the partition created by Disk Utility can only be removed by Disk Utility. And the partition created by Boot Camp will only be deleted by Boot Camp Application.
- After you create a partition, you'll also have to install the other version of OS you want to run.
- You can also create a partition on the system using the external drive.
- It is recommended that you keep a standard amount of 50 GB space for the partition.
Conclusion
It can be concluded that creating and removing a Mac drive partition is not that tough. You just have to careful during the process. And in case of a mishap, Recoverit is always here for your help so that you don't have to suffer from data loss situation.