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Time Machine

Which NAS?

Is a NAS system worth considering for your backups? Could one replace your existing Time Capsule? Here’s additional information to help you decide.

March 11, 2022 Macs, Technology

Does removing I/O throttling make backups faster?

Can you get Time Machine to back up faster by turning I/O throttling off? If so, it this something to do only for large backups, or can it be set as the default? Does it also affect other background processes?

February 28, 2022 Macs, Technology

Can you back up iCloud documents?

iCloud Drive just works. Time Machine just works. So Time Machine should back up the contents of your iCloud Drive? Maybe not.

February 21, 2022 Macs, Technology

Last Week on My Mac: Do we have custom access?

Have you found Time Machine docs helpful in solving problems? Do you know what “custom access” means in the Permissions section of Get Info?

February 20, 2022 Macs, Technology

How can you trust a disk to write data?

All disks cache data to be written, which makes benchmarking them tricky. It has more serious consequences which macOS tries to allow for in file systems and backups.

February 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

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

What should you do when your Time Machine backups go awry?

Problems with the file system of Time Machine backups haven’t gone away with APFS. As there’s no way to copy your backup volume, how to tackle such problems?

February 9, 2022 Macs, Technology

Why Time Machine backups can be interminably slow

Is it overhead from sandboxing, the file system, the throttling of I/O, or the limitations of the Efficiency cores? Is there anything a user can do?

January 20, 2022 Macs, Technology

Last Week on My Mac: Has Time Machine slowed?

Since Catalina, reports of Time Machine backups slowing to a crawl have become common, but the reasons are unclear. It’s time for Apple to inform us.

January 9, 2022 Macs, Technology

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