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free space

How much free space does an APFS disk need?

It depends whether you’re going to boot macOS from it, on the space required for snapshots, and how large they could become. And there’s more.

May 18, 2022 Macs, Technology

Understanding and managing Time Machine snapshots

Why Time Machine makes snapshots, and how they can grow and apparently consume free space. What you can and should do to manage this.

February 15, 2022 Macs, Technology

Last Week on My Mac: Still struggling with snapshots

One likely cause of vanishing free space are large snapshots. So how can you tell why a snapshot is large, and how can you avoid it?

February 13, 2022 Macs, Technology

Managing snapshots: how to stop them eating free space

T T Read More

Snapshots are of great value, but can grow large if you don’t keep an eye on them. If you find Time Machine or another backup utility is storing large snapshots, here’s what to do.

February 10, 2022 Macs, Technology

Explainer: Disk free space

Confused by this on APFS? So you should be, as it’s complicated by features like snapshots, sparse files, and the file system itself. There’s no single figure.

December 4, 2021 Macs, Technology

How did that update eat so much free disk space?

Have you checked how much free space is on your startup volume after the last update? Do you wonder where it has all gone?

December 16, 2020 Macs, Technology

Fitting a quart into a pint pot with sparse bundles

How to store a 400 GB sparse bundle on a volume which only has 200 GB free space – provided that you don’t actually use the space that isn’t there.

September 21, 2020 Macs, Technology

Where did all that free space go on my APFS disk?

The volume should only be half full, but installers and other software complains there’s insufficient free space. What to do.

April 9, 2020 Macs, Technology

T2M2 now helps track free space on your backup volumes

New version tells you free space available on your backup volumes, as well as checking for errors occurring during backups.

November 20, 2019 Macs, Technology, Updates

Q&A: How to defragment in El Capitan

Should you defragment files, or free space, in El Capitan, or are they even possible now?

January 12, 2016 Macs, Technology

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