3

This is a making of my own stupidity. As I mess around with my dev environment a lot I occasionally wipeout my laptop to restart with a cleaner env. This time I think I accidentally removed one too many partitions and didn't bother with making a backup ( :S ). I tried following the answer for this similar question https://apple.stackexchange.com/questions/250427/cant-reinstall-mac-os-x-el-capitan-because-the-only-partition-is-a-locked-os-x to no avail as the images will show below. In addition to those, things like gpt create -f disk0 returns unable to open device 'disk0' : Resource busy.

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1

It uh..fixed itself... Previous restarts had the same results as above. But another restart did the trick to allow disk unmounting :S

  • If it's fixed, mark this as the answer – DanHolli Nov 15 '17 at 6:01
  • Can't, need to wait a total of 2 days before I can mark it – Brian Zhang Nov 16 '17 at 13:26

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