Could not unmount disk for mac#
Could not unmount disk install#
Could not unmount disk iso#

Could not unmount disk for mac#

Though Tuxera NTFS for Mac has been upgraded to support macOS 12 Monterey, Big Sur, Catalina, Mojave, and earlier Mac operating systems, its time to replace it with a better tool since it could not mount your drive in read/write mode now. Boot up with a zfs-enabled usb/cd/external hd,and destroy your pool from there. Step 2: Mount Drives on Mac using better NTFS for Mac utility. (2) I could also Verify disk permissions successfully. Finnaly i have 'Was repaired successfully' from it. (1) Repair with Disk Utility - upon the process, two allert messages appear - 'Volume bitmap needs minor repair for underallocation' and 'Volume header needs minor repair'.

If you the involved third-party program can’t be repaired, you can consider uninstalling it and try another software. After i boot it from original MacOs DVD i tried the following.

Could not unmount disk iso#

If none of this works, post back and I'll give you something more advanced to try. Since you haven't accepted the answer I'm asuming it didn't work for you so I'll give you another suggestion to try. Now, you can restart your computer and mount the ISO file to check if it works.

Could not unmount disk install#

If that executes and does not give a cannot unmount error quit terminal and try the install again.Īgain using disk0 or whatever you found above. 4 Ways to Fix Couldnt Unmount Disk/Volume for Repair Error on Mac Click on the Spotlight icon from the menu bar. Type: diskutil erasedisk jhfs+ 'Macintosh HD' disk0 If there were no core storage volumes found in the first place.įrom here identify your internal disk identifier. Type: diskutil cs delete 123ADGF-3953-DSCB43G-0682BIAGĮxecute this, then quit terminal and try to use disk utility again to erase and format like you were trying before. You should see something like 'Logical Volume Group: 123ADGF-3953-DSCB43G-0682BIAG.' Copy that string of random numbers and letters to the clipboard, then. Login to the NAS via the SSH console and enter command lsof grep CACHEDEV1DATA (or other volume. If it displays a bunch of stuff and doesn't say something along the lines of 'no core storage volumes found,' then you have to break up the Core Storage logical volume group first. System can not finish filesystem check because Examination failed (Cannot unmount disk) Because storage pool/volume is occupied by some processes/services and we need to determine what is still accessing the data volumes for us to stop them. Go to recovery or the install image and jump into terminal. Your drive is more than likely fine if SMART is verified, no need to replace.