- Mac external drives show read onlu how to#
- Mac external drives show read onlu mac os x#
- Mac external drives show read onlu full#
- Mac external drives show read onlu series#
Mac external drives show read onlu how to#
How to Unmount & Remount a Drive / Volume in a Single Command
Mac external drives show read onlu mac os x#
This obviously mounts the drive again, and it will also make the mounted volume visible again in the Mac OS X Finder and to GUI-based apps in the various Open or Save dialog boxes. Using the same examples as elsewhere, here is what the command and the output will look like: To mount (or remount) a drive, we’ll use the same diskutil command with a new flag and inputs like so:
Mac external drives show read onlu full#
That output is obviously much shorter than the full output of diskutil list which we showed above.įor this example, the drive “OSXDaily” is still located at /dev/disk1s2 and that’s what we’ll mount. We’ll do this by using grep to shorten the output of the diskutil command like so: This time around we’ll shorten it a bit because we’ll assume we know the name of the drive to mount, thus we only need to locate the identifier. If you already know where the volume is located, you can ignore part 1 and jump straight to part 2, but let’s cover retrieving the volume identifier anyway. The command sequence is very similar locate the volume, then mount the drive. If you can unmount a drive, of course you can mount or remount one too. How to Mount a Drive from the Command Line on Mac You’ll notice the drive is no longer accessible in Finder, but it will still be visible through diskutil from the command line, or the more familiar Disk Utility app in Mac OS X’s GUI. This will report back the named volume and location has been unmounted, like so: Still using the diskutil command, we’ll point it at the drive in question to unmount. It’s probably worth mentioning that drives will always be located in /dev/ and thus /dev/ will always be prefixed to the identifier.
Mac external drives show read onlu series#
Note the identifier for that drive is “disk1s2” and we’ll carry that to the next series of commands to unmount and remount it. The output will look something like this:Ģ: Apple_HFS Macintosh HD 120.5 GB disk0s2ģ: Apple_Boot Recovery HD 650.0 MB disk0s3įor the sake of this example, we’ll focus on the attached drive named “OSXDaily”, which happens to be an external USB thumb drive that appears last in the list. We are doing this so we can get the drive identifier, which is typically something like disk1s2, or disk2s2, etc This will provide a list of all drives that are attached to the Mac, that are either mounted and unmounted, and all of their respective partitions.
The first thing you’ll need to do is list the connected drives. To do this you’ll need another volume attached or connected to the Mac in some form or another, then launch Terminal to get started (sits in /Applications/Utilities/). How to Unmount a Drive from Command Line on Mac This is infinitely useful for troubleshooting situations, for scripting and automation, and it’s a great trick for those of us who just like to tinker around in Terminal. By using the command line to remount the drive, the entire process can be completed remotely if necessary through SSH, and without ever having to physically disconnect a drive from the Mac. This trick works with external USB disks, hard drives, Firewire, Thunderbolt, DVD’s, CD’s, network drives, even USB thumb drives, literally any volume that can be mounted and accessed through the incredibly helpful diskutil command. But what if you want to be able to mount, unmount, and remount drives from the command line? That’s exactly what we’ll cover here. Along the same lines, if you want to remount a drive you can usually just physically unplug the drive and plug it back again. For many users, the easiest way to unmount a drive in Mac is to either just drag a volume into the Trash, use the eject keys, disconnect the drive, or use one of the force eject methods.
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