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I’m having boot issues and attempting to follow the instructions outlined in the accepted answer here: OS volume shows as type 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF'

I’ve been able to remove volume 2 with gpt, but attempting to re-add the volume with correct type results in an error: gpt add: disk0: error: no space available on device

Am I using the command incorrectly? What should I do to properly re-add the volume? Is rebooting at this point going to cause any problems?

Original question: No bootable device - High Sierra

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Scottmeup
  • 2,605
  • The partition 2 all ready exist. You have first to delete it before re-create. –  Nov 29 '21 at 22:33
  • @Jean_JD I ran ‘gpt remove -i 2 disk0’ and the result is what can be seen in the 2nd photo: MBR part 255 photo 1 is from before the volume was removed – Scottmeup Nov 29 '21 at 22:42
  • @DavidAnderson I don’t feel that the language chosen in the above comment is necessary, conducive to a civil discussion or in line with stack exchanges guidelines. I have read your answer, it seemed to leave the task of deciding what kind of MBR I have in my hands. As I have no prior knowledge of this or knowledge of how to determine this fact I proceeded on the basis that your linked duplicate answer was appropriate. If that was not your intent I welcome you to to clarify your response. – Scottmeup Nov 30 '21 at 00:24
  • I believe the accepted procedure is edit the original question, then ask for the question to be reopened. Or, I think the question ends up a queue where the question gets reviewed. Posting a new question can result in the new question being closed. A lot of these FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF type questions have be asked before. Usually someone who is asking a new question has not researched the existing answers enough. – David Anderson Nov 30 '21 at 01:15
  • @DavidAnderson I'm not sure what to tell you, the duplicate notification box on the original question literally says Your post has been associated with a similar question. If this question doesn’t resolve your question, ask a new one. If those instructions are contrary to accepted procedure I don't feel that it's productive to have them listed: I can say for a fact that at least one person has followed them. – Scottmeup Nov 30 '21 at 22:04
  • Here is what I am seeing. Can you post an image of what you are seeing? I would like to check this with a moderator. (Maybe this is a question for meta. Probably a duplicate.) I was going to flag your new question for closure at the 24 hour mark. (Which was a little while ago.) Would you not rather concentrate on finding an answer, rather that bickering over the mechanics of the procedures? – David Anderson Nov 30 '21 at 22:50
  • Rather that adding a new answer to another posted FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF type question, a new answer was posted to OS volume shows as type 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF', which should fix the problem stated in this question. – David Anderson Dec 01 '21 at 03:20

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