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APFS Conversion Requires a reformat?

B

blahbrah

macrumors 6502
Original poster
Nov 9, 2006
332
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Hi everyone,
My 2016 MBP has some weird hiccups in it so I want to try doing a clean install of macOS again, but I was wondering if converting to APFS required a complete reinstall of everything. I'm inbetween jobs right now so I have the time to do a clean install of everything, but hopefully by the time High Sierra comes out I'll be too employed to do a clean install.
 
blahbrah said:
Hi everyone,
My 2016 MBP has some weird hiccups in it so I want to try doing a clean install of macOS again, but I was wondering if converting to APFS required a complete reinstall of everything. I'm inbetween jobs right now so I have the time to do a clean install of everything, but hopefully by the time High Sierra comes out I'll be too employed to do a clean install.
Click to expand...
No, a reformat shouldn't be required. I assume there may be bugs in this first preview but I converted 2 different MacBook Airs (2011 and 2012) to APFS without reformatting and without data loss.
 
i had no choose then to reformat my mac mini and now i am left with unable to install the operating system at all tried doing a time machine back up that never worked at all because i have changed the file format

i'am glad i have another machine with no beta on and it working fine with no problems at all
 
No, it doesn't, but honestly, do NOT install it on your production machine. Its extremely raw. Same for iOS/watchOS.
 
leman said:
No, it doesn't, but honestly, do NOT install it on your production machine. Its extremely raw. Same for iOS/watchOS.
Click to expand...

After reading through these threads I wouldn't install this on any machine period. And here I thought the first round of Sierra betas were bad. This is ridiculous. This seems pre-alpha at best. Bugs fine, not show stoppers. jeeze Apple. This doesn't seem at all ready for beta testing yet. Is beta 2 installing any better?
 
xgman said:
After reading through these threads I wouldn't install this on any machine period. And here I thought the first round of Sierra betas were bad. This is ridiculous. This seems pre-alpha at best. Bugs fine, not show stoppers. jeeze Apple. This doesn't seem at all ready for beta testing yet. Is beta 2 installing any better?
Click to expand...

This is literally the first dev preview that was released like 2 days ago. Your expectations might be a bit high here ;)
 
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xgman said:
After reading through these threads I wouldn't install this on any machine period. And here I thought the first round of Sierra betas were bad. This is ridiculous. This seems pre-alpha at best. Bugs fine, not show stoppers. jeeze Apple. This doesn't seem at all ready for beta testing yet. Is beta 2 installing any better?
Click to expand...

It seems to mostly affect those without SSD's. It could be I'm just super lucky though, since I've had zero issues except for maybe some slight hiccups here and there.
 
No issues on 2013 Mac Pro w/ 512GB SSD
No issues with 2016 tbMBP w/ 512GB SSD

I still have several other machines to check but as of now for the most part things are running good.

Both installs gave the option to check whether to convert to AFPS prior to continuing the upgrade to 10.13

I always do upgrades first to test for 1-2 weeks of daily use and then perform a fresh install so that I'm able to test when and if some bugs only show their face during a particular install.
Also I will always do a First Aid in Disk Utility prior to an upgrade and then immediately after an upgrade then a restart.
I've had instances where incorrect permissions on files prior to upgrading led to stranger problems after.
I'd like to see Apple implement this as a step in the installer, like a "Perform First Aid on disk" after that comes back good, proceed to install.
 
leman said:
… first dev preview …
Click to expand...

Not of APFS.

… expectations might be a bit high here ;)
Click to expand...

Yes, and no, and some of what's above may be off-topic from HFS-to-APFS ;)

On one hand: I expect APFS to be reasonably well-developed after nine months or so of public beta testing.

On the other hand: I never really tested it, so I can't complain.
 
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