Use Terminal to Eject a Stuck CD/DVD
LiJung LiJung 3 8 More generally, you can use the mount command to see all the mounted volumes and where they are mounted. AFAIK both external storage devices and. What other subset are you referring to here? Some techniques to try: In general, to find where something is mounted, you can run this command from the terminal: Steven C.
Howell Steven C. Howell 1 6 Benedata Benedata 21 1. How can this command be used to solve the problem described in the question? Subscribe to the OSXDaily newsletter to get more of our great Apple tips, tricks, and important news delivered to your inbox! Enter your email address below:. So I was trying various methods mentioned on this forum https: The HD under the indented section on the left panel would be in grey.
macos - how to cd into a thumb drive from terminal ( Mac OSX ) - Super User
Nothing worked until I tried the most crude method mentioned on the forum as my last resort: Hope this is helpful. Thanks a bunch Xira!!
Your method is the only thing that worked. A friendly interweb hi-five to ya! It seems to unmount a mount my USB3. I would have died if I lost everything on my external hard drive. You saved my HD many times because of this tip alone. Thank you thank you thank you. Hi my external HDD is not getting mounted. This is what the results say:. What am I doing wrong or what is the issue? I need mount disk1s2.
It is an external HDD with an Apple file system. I am trying to retrieve my personal data.
How to Change Volumes in Mac OS X Terminal
It crashed due to the Yosemite upgrade. I have the same problem!!! The SSD is a faint gray color in the disk utility: For the trick with unmounting and remounting a drive, just in case anything were to go wrong in the process, it would be better to replace the inner semicolons with double-ampersands that way, the remount is only attempted if the unmount were successful, and the success message would only be echoed if success actually occurred: How I can unlock my disk please help me out M in very bad situation and my drive is a fusion drive.
My external drive is now greyed out in Disk Utility though the repair function works and says the disk is OK. The disk permissions option is missing. Nothing seems to work. Also, it shows up in my disk utility in grey. Is there a way to at least get the files off of it if it is damaged? Thanks man! This saved my Harddisk it wouldt come up at finder only disk utility.
Now its reconized, going to make a big backup and send it back: Hi, thanks for this! I do not see the external dvd writer listed. I do see it under disc burning and I can see the player with toast but cannot mount anything, data or dvd discs. DU says to repair disk and then try mounting again. This definitely does work, it just takes some time. If the light on your hard drive is blinking or you can hear the motor spinning, that means you Mac is trying to read it.
It may time out, so you have to continue to prompt the disk utility to unmount, even if it says that the disk is already unmounted. Mine finally unmounted after about ten tries. Then I typed the command to mount and it did. You have to be patient and stay at it. Remember that you are working with a machine. I have two simple shell scripts to make this easier because I can never remember the detail: If you want to fully automate the process of ejecting the disk based on a partition name, this should do the trick:.
If you connect a damaged disk, and the light indicates heavy activity but the OS does not immediately complain or appear to mount the disk, it is likely running fsck in the background. However, after a very long time it would sometimes mount the disk in read-only mode, and tell me that the disk could not be repaired and I should copy files I needed as soon as possible. I found that if I killed the fsck process, it would skip right to mounting it as read-only which, if you have a damaged disk, is probably the best you can hope for.
Note the second column a number will be the process ID e. Use that number not to kill the process:.
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Great advice — found the fsck process in Activity Monitor, killed it and very shortly after, the drive mounted. I have tried everything that has been mention on the above comments, and were now trying this but i am not sure what number i sould use? The disk that will not show up is the one reffered to as disk2s2, and i could see the fsck activity as you mentioned.
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When i ran the comando this came up:. I just had the same problem. Tried disk repair, tried First Aid. It would say all good, but the drive would NOT mount. Doing it now. I should also add — DiskWarrior was the first program I tried. Sign in. Browse Search. Ask a question. User profile for user: More Less. Helpful answers Drop Down menu. View answer in context. Loading page content. Reply Helpful Thread reply - more options Link to this Post. Apple ID Speciality level out of ten: I plugged tester when I plugged yesterday I got this message form ttuxera, thanks a lot good day.
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