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Disk Utility

Let’s make 2021 the year of Disk Utility

There’s no more critical app on your Mac, yet Disk Utility has suffered years of neglect – years in which APFS has grown many new features, and all Disk Utility gets is bugs and workaround.

January 1, 2021 Macs, Technology

Give your Mac (imaginary) unlimited storage thanks to Disk Utility’s bug

Disk Utility in Big Sur can turn a 1 TB external disk into 4.5 TB or more of imaginary containers. Sadly it’s just a bug, and here’s how to work around it.

December 26, 2020 Macs, Technology

Last Week on My Mac: Begging from Apple

We don’t know when Apple decided to introduce Big Sur’s SSV, but even now it hasn’t told users it won’t be releasing standalone updates for 11.0.1 or 11.1.

December 20, 2020 Macs, Technology

Getting started with Time Machine to APFS in Big Sur

For many, this could be the best reason for upgrading early. Even when it doesn’t go quite as expected, this really isn’t difficult.

December 8, 2020 Macs, Technology

Wrangling file paths in Catalina and Big Sur

Volume layouts are fairly straightforward until you have two or more bootable systems with Volume Groups. Details and advice for those with macOS 10.15 or 11.

November 9, 2020 Macs, Technology

Inside the file system: 4 Summary and references

Disk structure diagrammed for comparison, from the partition table, to HFS+ and APFS volumes, with further references.

October 10, 2020 Macs, Technology

Inside the file system: 3 APFS containers and volumes

What you need to know about the APFS file system, its containers and volumes, so you can understand errors and how to repair them.

October 8, 2020 Macs, Technology

Inside the file system: 2 HFS+ volumes

What you need to know about the HFS+ file system, so you can understand error reports and how to repair it using Disk Utility and other tools.

October 7, 2020 Macs, Technology

Inside the file system: 1 Disks and partitions

What you need to know about disk formatting using the GUID Partition Table (GPT) to understand its problems and how to repair it.

October 6, 2020 Macs, Technology

What does Disk Utility’s First Aid really check in Catalina?

Apple says that if you run First Aid on a disk, each of its volumes is checked too. Is that really true?

October 3, 2020 Macs, Technology

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