Apple made it simpler to resize partitions–logical divisions of a storage machine into separate mountable volumes with totally different properties–a number of releases of macOS in the past. A Macworld reader resized their fundamental quantity to 369GB to arrange a Boot Camp partition, however then realized it was too small. They puzzled the right way to repair this.
In the correct circumstance, you’ll be able to merely observe these steps with out having to again up your 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 unsuitable, otherwise you by accident click on to proceed on a damaging operation.
- Launch Disk Utility.
- Choose the disk (not the amount) 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 kind within the new dimension of your fundamental partition in its Measurement subject.
- 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 knowledge and re-creating, or not. If it’s non-destructive, proceed.
I haven’t discovered an entire consistency by which drives have non-destructive resizable partitions or not. You possibly can learn plenty of 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 can be erased.
Disk Utility allows you to resize partitions, however it may be onerous to foretell whether or not this can require erasing the partition or not till you click on Apply.
Foundry
If you might want to 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 can maintain macOS Restoration intact if it’s a startup quantity. You possibly can then additionally restore your partition from a clone utilizing Disk Utility as nicely.
Additionally learn: Find out how to partition a Mac onerous drive or SSD, or create a APFS quantity and Finest disk partition software program for Mac.
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