Apple made it simpler to resize partitions–logical divisions of a storage gadget into separate mountable volumes with completely different properties–a number of releases of macOS in the past. A Macworld reader resized their most important quantity to 369GB to arrange a Boot Camp partition, however then realized it was too small. They puzzled how you can repair this.
In the best circumstance, you possibly can merely observe these steps with out having to again up the complete drive, erase and reformat it, and add new partitions.
At all times again up your drive earlier than trying to resize partitions in case one thing goes improper, otherwise you by chance click on to proceed on a damaging operation.
- Launch Disk Utility.
- Choose the disk (not the quantity) within the left-hand lists of disks.
- Click on the Partitions button.
- Now you can delete different partitions (choose and click on the – button), and sort within the new measurement of your most important partition in its Dimension discipline.
- Warning! Click on Apply to proceed, and Disk Utility will warn you whether or not will probably be a damaging operation, deleting the partition’s information and re-creating, or not. If it’s non-destructive, proceed.
I haven’t discovered an entire consistency during which drives have non-destructive resizable partitions or not. You’ll be able to learn numerous element about macOS drive partitioning, and nonetheless discover {that a} quantity that meets all of the parameters for resizing with out erasing, and nonetheless be advised by Disk Utility that the partition will likely be erased.
Disk Utility enables you to resize partitions, however it may be arduous to foretell whether or not it will require erasing the partition or not till you click on Apply.
Foundry
If it’s essential erase to repartition, you need to make a full clone of the drive, then boot from macOS Restoration and use Disk Utility in that mode to repartition, which is able to maintain macOS Restoration intact if it’s a startup quantity. You’ll be able to then additionally restore your partition from a clone utilizing Disk Utility as effectively.
Additionally learn: How to partition a Mac hard drive or SSD, or create a APFS volume and Best disk partition software for Mac.
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