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- #COULD NOT UNMOUNT DISK APPLE HOW TO#
- #COULD NOT UNMOUNT DISK APPLE FOR WINDOWS 10#
- #COULD NOT UNMOUNT DISK APPLE PORTABLE#
- #COULD NOT UNMOUNT DISK APPLE PASSWORD#
Replace the string of Xs with your own UUID which you noted earlier. UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX none hfs rw,noauto
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Now copy and paste the following line into the document: Press the “A” key to bring up the cursor and, using the “Down Arrow” key and a final press of the “Enter” key, navigate down the document to below the lines marked with the # symbol, and above the lines marked with the ~ symbol.
#COULD NOT UNMOUNT DISK APPLE PASSWORD#
It will return a string titled “Volume UUID”.ģ) Copy this long string and paste it somewhere, then repeat the command for all the other partition names you want, pasting their UUIDs somewhere safe too.ĥ) Enter your administrator password when prompted. An empty editable document will then appear in the Terminal window. Replace “Volume Name” with the name of the partition you want to stop from mounting, making sure to retain the speech marks if your volume name contains spaces or punctuation. At the prompt, paste the command:ĭiskutil info /Volumes/"Volume Name" | grep 'Volume UUID' First, connect the drives and mount the partitions which you do not want to mount automatically in future.Ģ) Next, launch Terminal (found in /Applications/Utilities, or with Spotlight).
#COULD NOT UNMOUNT DISK APPLE HOW TO#
This guide will detail how to ensure only the drives of your choosing mount automatically, leaving the rest unmounted within macOS.ġ) To prevent partitions from mounting automatically we are going to add their UUIDs to a list via Terminal. It also takes time for the drives to mount on every boot and unmount on sleep or shutdown.
![could not unmount disk apple could not unmount disk apple](https://recoverit.wondershare.com/images/article/2020/03/could-not-unmount-disk-7.jpg)
Add to this a couple of external hard drives with partitions for storage, OS installers and Time Machine backups for other computers, and your desktop and Finder sidebar can begin to look a real mess.
#COULD NOT UNMOUNT DISK APPLE FOR WINDOWS 10#
Whilst this behaviour is useful for the novice or for those connecting a single USB stick to copy some files, it can become unwieldy and even annoying if you have many multi-partitioned drives attached to your Mac.įor example, my desktop Hackintosh has three internal drives, each with at least two partitions, and one of these drives is not even needed when booted under macOS – it is for Windows 10 and Linux. Volume UUID: F42D6E05-C72C-386A-86AD-635A818E1FE3Ĭapacity: 339.53 GB (339,526,688,768 bytes)Īvailable: 53.With the exception of partitions in unreadable formats and certain hidden partitions such as EFI and Recovery HD, the default behaviour of macOS is to mount all partitions of a drive on boot-up, login, or on connecting an external drive. Vendor ID: 0x0928 (Oxford Semiconductor Ltd.) This is an example of the data it prints out for a USB drive: 1394A/USB2.0/eSATA combo drive: To try everything, you could do system_profiler (which lists all data) then search for anything following "Mount Point:" and unmount whatever is after that.
#COULD NOT UNMOUNT DISK APPLE PORTABLE#
It's not perfectly portable across different systems to just do USB then FireWire then Thunderbolt because there could be different connections.
![could not unmount disk apple could not unmount disk apple](https://itbookmac.com/images/resolve-a-couldnt-unmount-disk-error-in-disk-utility.jpg)
Once you parse out the mount points, you can unmount those drives. system_profiler -listDataTypes will give you all data types. system_profiler SPUSBDataType will give you all USB devices and their mount points, and system_profiler SPFireWireDataType does the same for FireWire devices. You could try using system_profiler with different data types. Prtl=`diskutil info $ | grep Protocol | cut -d ' ' -f 21`ġ.Is there a way to identify external drive without using diskutil info? The reason is diskutil info starts up sleeping drive, my script is very slow.Ģ.Are there any much more smart way? I have Googled so much, but I can't find a way which I want. My disk list is as follows: $ diskutil listģ: Apple_Boot Recovery HD 650.0 MB disk0s3Ġ: Apple_HFS Macintosh HD *496.3 GB disk1Ģ: Apple_HFS Time Machine 999.9 GB disk2s2Ģ: Microsoft Basic Data USB HD 4 749.9 GB disk3s2Ģ: Microsoft Basic Data Backup 499.9 GB disk4s2Ġ: Apple_partition_scheme *122.9 GB disk8ĭiskutil list | grep -oE 'disks2' | while read i I am trying to write a shell script to unmount/mount all external drive on OS X.