In a quest to reduce the number of processes running in macOS Tahoe, consider the example of Time Machine backups, which can easily be replaced by 3rd party alternatives.
Time Machine
When I started my Mac up, its external backup storage was present as expected, but couldn’t be opened. It turned out that Time Machine had stopped backing up after 12:35 the previous day, but hadn’t reported the problem.
T2M2 is nearly 9 years old. Here’s a walk through its summary reports on Time Machine backups. and an outline of what you’ll see in its log extracts.
How to exclude folders and files from these services, with new problems apparent in macOS Tahoe over exclusions from Time Machine backups.
A complex set of rules with optional flags determines whether any given xattr is preserved when copying, saving, syncing with a cloud service, backing up, and more. Here they are.
What do you do when you discover your Mac’s Data volume has run out of free space? A guide to working with snapshots, iCloud Drive, and other tricks to salvage your Mac. And how to prevent this from happening again.
Updates to Cirrus (iCloud), Revisionist (versions), Spundle (sparse bundles) and T2M2 (Time Machine)
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.
If you’ve got large files like Virtual Machines or media libraries on the Data volume on your Mac’s internal SSD, use this method to keep the size of its snapshots smaller.
Backups don’t include everything. Here are details of those items excluded from Time Machine backups, and why they’re excluded.
The rules for preserving document versions are based on their being associated with the document’s inode number, and on the same volume. Here are the details and a way to preserve them whatever.
The Eclectic Light Company 