yatesey1994 Posted November 17, 2016 Share Posted November 17, 2016 I'm having a similar problem on mac. I just keep getting "FAIL: There appears to a drive present with the label UNRAID but it's not installed on the first partition" I've included a screenshot and any help would be amazing. William Quote Link to comment
eschultz Posted November 17, 2016 Share Posted November 17, 2016 Please (re)attach your unRAID flash back up to you Mac, open Terminal, run 'diskutil list' and copy the output from that command here so I can review. Quote Link to comment
vinay Posted December 2, 2016 Share Posted December 2, 2016 Facing the same issue.. /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *500.3 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_CoreStorage Macintosh HD 499.4 GB disk0s2 3: Apple_Boot Recovery HD 650.1 MB disk0s3 /dev/disk1 (internal, virtual): #: TYPE NAME SIZE IDENTIFIER 0: Macintosh HD +499.1 GB disk1 Logical Volume on disk0s2 D418545C-099C-4C74-8A33-427978F51DC6 Unlocked Encrypted /dev/disk2 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *15.8 GB disk2 1: EFI EFI 209.7 MB disk2s1 2: Microsoft Basic Data UNRAID 15.6 GB disk2s2 Quote Link to comment
kode54 Posted December 2, 2016 Share Posted December 2, 2016 You need to recreate the partition table for the USB drive to MBR, not GPT. You'll also lose all the data on the drive in the process, so you'll have to copy the archive contents over again. Quote Link to comment
vinay Posted December 2, 2016 Share Posted December 2, 2016 Thanks kode54.. New to mac here.. I have no clue between them.. Quote Link to comment
squidboy Posted January 7, 2017 Share Posted January 7, 2017 From what I can tell, Disk Utility will not re-format some USB drives so that you can set the partition table to MBR. Offhand I don't know what the issue is but it's pretty explicit about it when you click Partition. I had to try another USB drive and that one allowed me to switch from Guid Partition Map to MBR when using the Erase command. Just wanted to post this so if you're failing to get the right option, you don't keep scratching your head - try another USB drive. I'm on Sierra so I have the latest DU. I don't know if possibly a third-party disk tool could get around this those "locked down" USB drives. Quote Link to comment
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