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T2M2

Updates to Cirrus (iCloud), Revisionist (versions), Spundle (sparse bundles) and T2M2 (Time Machine)

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Four updates to popular tools, aimed mainly at compatibility with Tahoe, covering iCloud Drive tests, tools for document versions, creating sparse bundles, and checking your Time Machine backups are working properly.

June 27, 2025 Macs, Technology, Updates

Understand and check Time Machine backups to APFS

From dispatch of a new automatic backup, through computing which items need to be backed up, cleaning up snapshots and old backups, to success at the end.

October 3, 2024 Macs, Technology

How big a backup store do you need?

How large should the drive be to store all your backups for the next couple of years? Here’s how to work that out for Time Machine and other apps.

July 26, 2024 Macs, Technology

When do you need to read the log?

Reading the log in macOS isn’t easy, but here ten systems where it’s the only way to discover and address problems, and a bonus 11th.

April 24, 2024 Macs, Technology

T2M2 should now work better with macOS 11-13 and daily backups

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You can disable its checks of scheduling, and it better analyses Speed in Big Sur, and backups in macOS 11-14.

January 23, 2024 Macs, Technology, Updates

Time Machine in Sonoma: Rotating backups and NAS

Analysis of T2M2’s report from rotating Time Machine backups, including the first full backup made to a NAS.

January 17, 2024 Macs, Technology

Time Machine in Sonoma: detection and diagnosis with T2M2

How to read T2M2’s report on your Time Machine backups, interpret the results, and discover where any problems are occurring.

January 10, 2024 Macs, Technology

Last Week on My Mac: Catching up with Time Machine

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T2M2 is nearly 7 years old, and has already found at least two bugs in Time Machine. Here’s why it’s so hard to get it to work perfectly with each version of macOS.

January 7, 2024 Macs, Technology

Time Machine in Sonoma: How to check backing up

How to use the Time Machine log extract in Mints to check whether its backups are working normally, and what are expected errors.

November 8, 2023 Macs, Technology

How does Time Machine make a backup?

Detailed account from the decision to start making an automatic backup to its final reporting and completion, for Ventura 13.2.1 to local storage.

March 1, 2023 Macs, Technology

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