![]() I then unplugged the cable and plugged it back in. I then went to Finder and did an Eject, though I'm sure I could have done that manually. The command First Aid ran is fsck_hfs -fy -x /dev/disk2s2 It runs with a -fy -x rather than just -y. I noticed that First Aid runs fsck but with different options than what was running automatically. Then in the Disk Utility I selected external disk drive and ran First Aid.Īfter First Aid completed, about 2 hours later I was able to Mount the disk through Disk Utility. That stopped the fsck that had made the disk busy. In terminal I ran - ps aux | grep fsck followed by sudo pkill -f fsck The reason it was busy was that fsck ran as soon as I plugged the disk in. I tried the various fixes suggested to do it manually in Terminal. Had the same issue and have been fighting it for days. If you want to preserve the volume as opposed to erase the drive, here are steps. Right-click the Finder icon at the leftmost of the Dock while holding the Option key. (Drive originally formatted/used on an High Sierra Mac.) Also tried an iMac which refused to mount it. To stop Finder from accessing the drive, you need to relaunch it with the steps below. I've done all of the above several times.Īny ideas for untrashing this 2TB Seagate drive? Using a MacBook Pro with High Sierra. When I try to reboot, the desktop icons disappear, the reboot never finishes and I end up forcing a shutdown via the power button. To partition and format the drive with Disk Utility, follow these steps: 1. 'path to folder/file' without the quotes, you can just drag the folder on the terminal window, it will automatically add the path. I have another external drive plugged into my TM disk. resulted in "Unmount of disk2 failed: at least one volume could not be unmounted." Whenever I unmount the second drive, my next TM backup will not complete. the Wipe Disk option, all partitions on the selected drive will be. which resulted in an error that it was already unmounted or "has a partitioning scheme so use 'disk util unmountDisk' instead" This tool can quickly create a Multi bootable USB flash drive containing several. which resulted in an error -69888: Couldn't unmount disk. Sudo diskutil eraseDisk JHFS+ Reformat /dev/disk2 ![]() I had no indication that anything was wrong with the computer - but. As the app ran I was pleased to see that all the tests passed (Processor, RAM, Video RAM, etc.). ![]() I noticed that when I use the Quicklook feature to preview a video in any format, the process keeps active even when the Quicklook window was already closed. Erasing and creating failed could not unmount disk software Erasing and creating failed could not unmount disk mac However the computer failed the last test: Volume Structure. Disk Utility failed to unmount the Data partition and reported the TM partition was OK, but I can't eject either without issues: erasing and creating failed could not unmount disk pdf If I preview any other file like PDF or JPG the disk can be ejected normally. Trying to reformat a drive that was used for an employee's Time Machine and Data storage.
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