Overview
You can resize Mac disk partition without being dependent on the inbuilt utilities. There are various inbuilt features to work on the Mac HFS partition. The Disk Utility feature allows you to resize the Mac partition to manage your data. Such options are not feasible all the time, especially when the data integrity is the main concern. These are the add-on features provided by Mac to ease the task of users. However, they might not be able to provide all the features or might not work the way the user wants it to be. In order to overcome such limitations, there are various professional tools than can be looked for.
Stellar Partition Manager is a highly professional tool to efficiently manage partitions on Mac hard drives. You can perform various partitioning operations on the Mac hard drive including the boot volume without causing any data loss.
- Jul 05, 2017 Partition Your Mac. You’ll now need to resize your Mac OS X system partition to make room for your Linux distribution of choice. From within Mac OS X, press Command + Space, type Disk Utility, and press Enter to open the Disk Utility. Select your Mac’s hard drive in the list on the left and select Partition on the right.
- If you are going to be restoring Windows on a partition that is smaller than the current partition, you need to shrink the filesystem first. If not, skip to step 7. To shrink the NTFS filesystem, control-click on the bootcamp volume and select Shrink Windows (NTFS) Filesystem.
Nov 10, 2018 Sometimes it may be necessary to shrink your BOOTCAMP Windows partition and allocate the free space back to the Mac OS partition. Below are the steps I have found to work, but there are other solutions out there too. The nice thing about this solution is that it does not require deleting the BOOTCAMP partition. Dec 10, 2019 For more information about using Windows on your Mac, open Boot Camp Assistant and click the Open Boot Camp Help button. If you're using an iMac (Retina 5K, 27-inch, Late 2014) or iMac (27-inch, Late 2013) or iMac (27-inch, Late 2012) with a 3TB hard drive and macOS Mojave or later, learn about an alert you might see during installation. Dec 23, 2018 Boot Camp is an in-built application from Apple Inc. That helps Mac OS users in properly installing Microsoft Windows operating system on the Intel based Mac. Using the help of this multi-boot utility, a Mac user can install and use any Windows op. So, either use your Mac for a few hours doing things other than making a Boot Camp partition, or tell your Mac to never sleep in the Energy Saver control panel and walk away for a while.
Data loss factors
As mentioned before, there are various data loss factors associated while using Disk Utilities to perform Mac partition. This is an inbuilt feature to create new partitions and resize an existing volume on Mac hard drives. Resizing includes increasing and decreasing the partition space. While decreasing the size of any volume, the unused space is set free. However, while increasing the size of the volume you need to have a sufficient space between the volume you are expanding and the next partition present on the hard drive.
Since, the partition on which the operations are performed includes data; any kind of mishandling can lead to data loss. In addition, a user might accidently delete the data while portioning. In either of the cases there is always a risk of data loss involved.
For example, while increasing the size of a volume that requires you to delete the next partition, causes data loss. This is because the Disk Utility does not show the available free spaces on the Mac hard drives and volumes. The deleted partition might have contained the data, which you never wanted to lose. The below figure shows the interface used by Disk Utility to manage the partition.
However, with the Stellar Partition Manager software, you can easily partition the Mac hard drive without causing any data loss. The tool overcomes all the limitations present in Disk Utility while creating partitions. While resizing an existing partition, the software detects all free space available on the hard drive and shows it in the interface. The availability of free space just below the volume you want to expand makes you decide the amount of space that can be used from the next partition.
In addition, if you want to resize Mac Startup hard drive or adjust BootCamp partition on Mac then use the software ‘Create Bootable DMG‘ option to create a bootable media for resizing Mac HD and Windows partition.
Safety with Stellar Partition Manager
The Stellar Partition Manager is an advanced Mac volume manager tool. It allows you to perform basic operations like creating, deleting, resizing, formatting, and hide/reveal on Mac hard drives.
Boot Camp Partition Size
Add Partition
You need to follow the below mentioned steps to add a new partition to the existing list of partitions.
- Launch ‘Stellar Partition Manager’
- Click ‘Continue’ to select the hard drive from the list of displayed hard drives
- On the toolbar, click ‘Add’ to create a new partition
- Type a name of the new partition in the Volume Name Box on the displayed ‘Add New Volume’ dialog box
- Move the slider to set the size of the partition
- Click OK
- Check the Task-to-do list. A new task “new partition” is added
- Before starting the listed task, a warning message is displayed to take the backup
- The middle pane shows a newly added partition
Format a Partition
You need to follow the below mentioned steps to format an existing partition.
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- Launch ‘Stellar Partition Manager’ tool
- Click ‘Continue’
- Select the hard drive that has the partition that needs to be formatted
- Select the partition and click ‘Format’
- A new task is added
- Click to execute the task. This is followed by a warning message that asks for data backup
- Click Continue. The partition is erased along with the content, once the process is complete
Delete a Partition
You can delete a partition by following the below mentioned steps.
- Launch ‘Stellar Partition Manager’ and click Continue.
- Choose the hard drive from which you want to delete the partition.
- Select the partition and click ‘Delete’.
- You can see the task added to the ‘To-do’ list along with other tasks.
- To start the listed task, click the button.
- Continue, if you have created a backup.
- The deleted partition is removed and the deleted space is added to the free space.
Resize Partition
You need to follow the below mentioned steps to resize Mac hard drive partition.
Shrink Mac Partition Boot Camp 2017
- Launch ‘Stellar Partition Manager utility’
- A list of hard drives is displayed in the interface
- Select a hard drive whose size needs to be changed
- Simply use the Drag and Drop feature to modify the partition
Note: Drag the partition edge upward to decrease the size of the partition. This would increase the total available size. In case of increasing the size of the partition, drag the partition edge downward. This would reduce the amount of available free space.
Increase Boot Camp Partition Size
- The task is added to the Tasks to do list
- Execute the added task by clicking the Start icon
- Avoid the warning message if you have already taken the backup
- Click ‘Continue’
- The newly resized partition is added in the main interface