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First Aid

Disk Utility and Time Machine in Ventura

Has Ventura brought any relief from Disk Utility’s inability to run First Aid on Time Machine’s backups, and what about changes in Time Machine itself?

November 9, 2022 Macs, Technology

Last Week on My Mac: Snapshot hostages

How to repair a snapshot with an error when it’s one of your backups on a hard disk? Currently this seems impossible, putting all those backups at risk.

November 21, 2021 Macs, Technology

Disk Utility still can’t check and repair APFS volumes and containers

T T Read More

Don’t waste time trying to discover which files are still open when you want to check or repair an APFS disk and Disk Utility throws an error. Here’s the solution.

November 19, 2021 Macs, Technology

How should you check an APFS backup store?

When your backups are stored on hard disks, even though they may use APFS, it’s important to check they’re sound. How to do better than Disk Utility.

November 18, 2021 Macs, Technology

Is APFS doing its job? Big Sur edition

APFS is almost 4 years old, and set out to solve the problem of accumulation of minor errors which has plagued HFS+. Has it?

March 1, 2021 Macs, Technology

Checking disks on an M1 Mac

Although generally reliable in normal macOS and in Recovery, First Aid sometimes runs into problems with external bootable disks.

February 25, 2021 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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