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A friend of mine lost a ton of data this week after mac os crashed and he restarted it. The only things he had done since getting the computer a week ago were:

A friend of mine lost a ton of data this week after mac os crashed and he restarted it. The only things he had done since getting the computer a week ago were: 1. update to high sierra 2. copy over files from old mac 3. record about 40gb of screen share data using quicktime (which is what he was doing when it crashed) He spent hours on the phone with apple, the tech said he had never seen anything like it and they weren't able to recover his data... but after reading the other horror stories in this thread there seems to be some serious problems with high sierra and/or APFS.

benguild 9y ago
That sounds like a failing or faulty SSD. I had this problem on HFS+ on my fairly new 2011 MacBook Air. Downloaded a ton of data, system became unstable and wouldn’t boot after.
deergomoo 9y ago
I had a kernel panic a few weeks ago that left the OS in a state where it was unable to boot. It seemed to think it was mid-upgrade and was complaining about missing the packages an upgrade would read from. Thankfully macOS has an in-place OS reinstall option and as far as I’ve been able to see all my data is totally fine. But it was bizarre and I’ve never experienced anything like it in a decade of using Macs.
- bonestamp2 9y ago
  Everything running fine now after the OS reinstall?
bartvk 9y ago
Lost a ton of data? Doesn't he use Time Machine?
- bonestamp2 9y ago
  Yes, although he was traveling so he wasn't able to recover until he returned home and even then, there was a gap in his backup (his fault) and his screenshare recording wasn't backed up since it was done while traveling. Thankfully he had already sent his presentation ahead to the conference he was presenting at, so he was at least able to complete that obligation. This is a good lesson for everyone... obviously we all know to backup regularly (let Time Machine do its thing multiple times per day of course); but the lesson for me was when traveling, have everything you need backed up on a USB stick at least.
  - bartvk 9y ago
    Yeah, traveling would get you :( poor guy. Backblaze or something may have helped slightly with that (not the screenshare recording, if it was too big). And yes, a high capacity USB stick. There are very small thumb drives that you can permanently leave in the USB-port of the laptop. Unfortunately I haven't found one like that with a USB-C connector.

benguild 9y ago

That sounds like a failing or faulty SSD. I had this problem on HFS+ on my fairly new 2011 MacBook Air. Downloaded a ton of data, system became unstable and wouldn’t boot after.

deergomoo 9y ago

I had a kernel panic a few weeks ago that left the OS in a state where it was unable to boot. It seemed to think it was mid-upgrade and was complaining about missing the packages an upgrade would read from. Thankfully macOS has an in-place OS reinstall option and as far as I’ve been able to see all my data is totally fine. But it was bizarre and I’ve never experienced anything like it in a decade of using Macs.

bonestamp2 9y ago
Everything running fine now after the OS reinstall?

bartvk 9y ago

Lost a ton of data? Doesn't he use Time Machine?

bonestamp2 9y ago
Yes, although he was traveling so he wasn't able to recover until he returned home and even then, there was a gap in his backup (his fault) and his screenshare recording wasn't backed up since it was done while traveling. Thankfully he had already sent his presentation ahead to the conference he was presenting at, so he was at least able to complete that obligation. This is a good lesson for everyone... obviously we all know to backup regularly (let Time Machine do its thing multiple times per day of course); but the lesson for me was when traveling, have everything you need backed up on a USB stick at least.
- bartvk 9y ago
  Yeah, traveling would get you :( poor guy. Backblaze or something may have helped slightly with that (not the screenshare recording, if it was too big). And yes, a high capacity USB stick. There are very small thumb drives that you can permanently leave in the USB-port of the laptop. Unfortunately I haven't found one like that with a USB-C connector.