I made a Time Machine backup (otherwise I just updated my existing one) I couldn't find a solution to fix it, so I could only recover the following steps: I wonder if any recovery volume(s) added during High Sierra or Mojave's install prevented APFS partitioning to take effect.Įrror code 49187 appears to be an internal error in the structure of the APFS that occurred during the file system installation. Once I unmounted and erased the entire drive in Recovery Mode, it showed as One Volume. When I looked at my drive initially in Disk Utility, it said that it was shared by 4 volumes although I hadn't partitioned anything myself. I was able to Unmount the APFS drive and actually erase/re-format it with APFS and then create the additional partition. The resolution, fortunately, was at hand. After it failed, it showed used file space of roughly 1gig and 75gig of 'other' (which is actually the size of the partition I attempted to add). There, I started Disk Utility to erase and partition. I first ensured I had a Mojave installer on a USB thumb drive (using DiskMaker X) then rebooted into recovery mode (Cmd-R). I then took the scorched earth approach I was going to re-format entirely. I, too, ensured file encryption and Time Machine were not active (and used tmutil to thin snapshots) but still experienced the same partition error as the OP. I had re-imaged a MacBook Air as a dev machine and forgot that I wanted to partition the drive. Below is some background context from my situation and my resolution at the end. I experienced the same error code, 49187.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |