This would indicate that in order to fix this problem, you will want to remove one of these volumes. For example, your two data volumes may have the same size. Now, it appears that, for whatever reason, there is a redundancy. At that time, some users reported having disk volumes like: Starting with macOS Catalina, system files have been separated out into their own disk volume, Macintosh HD, while user data resides in Macintosh HD – Data.Ī similar problem with extra volumes or volumes that couldn’t be unlocked has come up before, when users were upgrading to Catalina. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.If everything is as it should be, you should see a volume named Macintosh HD and one named Macintosh HD – Data (assuming you haven’t made changes in the past to your disk’s name or structure). If you have any idea to get the HDD working or even safe the files, I would be really grateful.Īlmost forgot about this from Disk Utility:ĭisk Utility can’t repair this disk. This was the try: $ sudo diskutil eraseDisk JHFS+ DISK_VOLUME disk1īut it didn't work as well. Than for each disk: $sudo diskutil unmount force disk1snīecause I wasn't able to do anything with my external HDD I made a desperate attempt to erase everything on it, including unbackuped files, cause this used to be the backup plan. Gave this: Forced unmount of disk1 failed: at least one volume could not be unmounted If I open it in disk util I sometimes see an actual name of a partition, but most likely it's not the real name.Ģ: Apple_HFS Macintosh HD 140.0 GB disk0s2ģ: Apple_Boot Recovery HD 650.0 MB disk0s3Ĥ: Microsoft Basic Data BOOTCAMP 110.1 GB disk0s4Īnd then to unmount this: $sudo diskutil unmountDisk force disk1 My 1TB LaCie Rugged THB decided it was a good idea to stop working all of a sudden.
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