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TIL: Apple Broke Time Machine Again on Tahoe

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Re: TIL: Apple Broke Time Machine Again on Tahoe

#91

What is Apple’s QA process? Do they rely on some random set of manual tests that may or may not get run each release? There have been so many things that seem like one of the most valuable companies in the world would include in tests, but yet break or remain broken. As an experiment, open Console and filter just errors and faults. Dozens to hundreds of “errors” will scroll by representing the normal operation of the…

They didn’t have qa for MacOS when I might have known someone who could speak on that. Was a shocker then, but no surprise now.

Re: TIL: Apple Broke Time Machine Again on Tahoe

#92

What is Apple’s QA process? Do they rely on some random set of manual tests that may or may not get run each release? There have been so many things that seem like one of the most valuable companies in the world would include in tests, but yet break or remain broken. As an experiment, open Console and filter just errors and faults. Dozens to hundreds of “errors” will scroll by representing the normal operation of the…

[deleted]

Re: TIL: Apple Broke Time Machine Again on Tahoe

#93

What is Apple’s QA process? Do they rely on some random set of manual tests that may or may not get run each release? There have been so many things that seem like one of the most valuable companies in the world would include in tests, but yet break or remain broken. As an experiment, open Console and filter just errors and faults. Dozens to hundreds of “errors” will scroll by representing the normal operation of the…

> What is Apple’s QA process? "Does this increase iCloud subscriptions or not?"

Ding ding ding we have a winner!

Re: TIL: Apple Broke Time Machine Again on Tahoe

#94
post #3

macOS yearly updates haven't been great since they started but Tahoe is a new low. Apple really needs to turn things around.

Sometime around High Sierra, I changed my habit such that I don't upgrade to the next major release until August. By then, it's been patched a half dozen times or so. Yes, I'm basically a year behind all the time, but I don't need the new features.

Since Yosemite (which was really bad for me) I typically stay with a major version 2-3 years.

Yosemite > El Capitan > High Sierra > Big Sur > Ventura > Sequoia

I won't be installing Tahoe for the time being. Hoping macOS 27 will be an improvement.

Re: TIL: Apple Broke Time Machine Again on Tahoe

#95
post #58

Time Machine is held in high regard for some reason (maybe the fancy scrolling interface when you look for files to restore?) but it's not really useable. It pretends that backups-over-the-network are a possibility but its completely unstable over the network and invariably decides the backup is corrupt after a few months and then tells you you have to start from scratch.

When backing up to a local system it is extremely useable and reliable. It creates separate snapshot volumes for each backup and can be navigated in the Finder interface or using the fancy space interface. Also, backups over the network are possible and have worked well for me for a few years.

It's reliable except when it's not. I'm using Mojave, and currently fighting a bug where a local snapshot gets stuck. When I list the local snapshots, I see the old one, then a gap of several days, and then additional snapshots.

From what I can tell, this snapshot is preventing space reclamation. The last month or so, I've constantly run out of disk space even when not doing anything special. As in actually run out of disk space — apps start to become unresponsive or crash, and I get warning boxes about low disk space. When you run low, the OS is supposed to reclaim the space used by snapshots, but I guess it doesn't happen,

The stuck snapshot can't be deleted with tmutil. I get a generic "failed to delete" error. The snapshot is actually mounted by the backup daemon, but unmount also fails. The only solution I've found is to reboot. Then I get 200-300GB back and the cycle starts again, with snapshots getting stuck again.

I'm considering updating to Tahoe just because there's a chance they fixed it in that release.

Re: TIL: Apple Broke Time Machine Again on Tahoe

#97
Somewhat related but I was disappointed to learn that Time Machine would no longer support Time Capsule post Tahoe, which I suppose is fair 8 years post discontinuation, but also unfortunate considering AFAICT the only real potential issue would be HDD degradation over the years? At the least, there have been plenty of system alerts noting this fact, but still annoying to have to buy something else. I know both AirPort and Time Capsule were an infinitesimally small part of their business...but they absolutely rocked when they were launched.

Re: TIL: Apple Broke Time Machine Again on Tahoe

#98
post #71

I never trusted Time Machine, my primary line of defense is rsync to a server running ZFS with hourly snapshots, and weekly rotations of offsite drives. For bootable backups, Carbon Copy Cloner.

+1 for Carbon Copy Cloner. Rock-solid reliable and well-supported.

https://bombich.com

Re: TIL: Apple Broke Time Machine Again on Tahoe

#100

What is Apple’s QA process? Do they rely on some random set of manual tests that may or may not get run each release? There have been so many things that seem like one of the most valuable companies in the world would include in tests, but yet break or remain broken. As an experiment, open Console and filter just errors and faults. Dozens to hundreds of “errors” will scroll by representing the normal operation of the…

A colleague joined the team for one of the most visible features in MacOS a few years ago and told me they had no automated testing.
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