Questions tagged [disk-utility]
Apple's built-in disk management utility for the mac. Erases, formats, and restores volumes and drives.
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Macbook Pro mid-2012 Disk Utility First Aid Results Interpretation Help
My MacBook pro mid-2012 has been acting a little odd lately (freezing, losing track of files). I've run first aid in disk utility multiple times, but always get the same notes which suggests it doesn'...
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Recovering OS X partition after FFFF volume error and gpt add error
I am currently running a 2014 13'' rMBP. I recently tried to delete a Bootcamp partition in Disk Utility. When I tried to reboot my system, it did not boot OS X (Mojave) and instead could only boot to ...
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CoreStorage disk won't unmount
My roll-your-own Fusion drive has become corrupted somehow, and I want to start all over. However, it won't unmount. When I run (from another startup disk, of course)
diskutil cs delete <Logical ...
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How to remove a Windows 7 bootcamp partition from Mojave? [duplicate]
I installed Windows 7 via bootcamp several years ago with much older version of macOS but now when I want to delete it via Boot Camp Assistant, it doesn't recognize my bootcamp to remove and also ...
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Macbook can't boot after a day of installing Mojave on internal SSD. Volume File System shows as “None”
I recently installed Mojave on my Macbook Pro with the Aura OWC 1TB SSD; after installing the firmware update. It worked fine for a day and stopped booting afterwards. I would very much appreciate ...
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Failed paritiong resizing partition in Mojave via Disk Utility (Planning to add it to Bootcamp) [duplicate]
(Using Mojave 10.14.1 on MBP Mid-2012)
I was trying to resize my AFPS partition to add it later to my Bootcamp partition (in Windows) but the operation failed. What I did was to use Disk Utility's ...
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2answers
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Creating an image from a Time Machine backup – “Operation Cancelled”
I want to convert an existing Time Machine backup (on an external HDD, encrypted) to a read-only archival image.
I open Disk Utility and choose File » New Image » Image from Backup, which lets me ...
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Power off block devices
I would like a way to shut down the block devices to do safe removal by turning them off. On Linux there is the UDisks2's udisksctl power-off -b /dev/sdX command. Is there something similar? Or if you ...
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Brand new external hard drive formatted exFAT is mounted read only
I bought a new HDD, formatted as exFAT with mac.
I moved files from my laptop to the HDD (moved, I mean, I also deleted them).
It happened with a directory it got stucked. I quit the process of ...
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1answer
35 views
No install location available in Mac Internet Recovery
I tried to start my Mac & a folder with a question mark appeared.
I researched on Google and discovered it was a problem with the Boot partition. I saw how to fix it. I used Opt ⌥ while booting ...
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Unable to manage my external hard drive
i am experiencing issues with my external hard drive; although it is recognized by my macbook air (2017, MacOs Mojave 10.14.3) i cannot access/modify it, neither with the disk manager app nor with ...
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Extand main APFS partition on MacOS Mojave 10.14.3
As it can be seen from the screenshot below my APPLE SSD is of size 500GBs, but my Apple_APFS Container disk1 is of size 450GBs. There was a Container disk 2 of size 50GBs before but I successfully ...
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Mojave: warning using disk utility: invalid bsd_flags
IMac: Using the disk utility, I get a warning: inode_val: object (oid 0x176461): invalid bsd_flags (0x10)
strong text
I have tried to erase HD and reinstall Mojave twice. In vain. Tried to restore ...
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40 views
Disk Utility First Aid in recovery failed to restore volume to original state
I was trying to repair permissions today on my Mac so I ran the Disk Utility's First Aid on my drive and it said that there was an Invalid Index Key and that my disk was corrupt and I needed to run ...
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Bypassing the Failed Disk “Read Only” Mode
On macOS, if a disk is failing, you will sometimes get the message below. The OS will put the disk into read-only mode. You can get your files off of it but you can't write to it.
My question is, is ...
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Unable to use disk removed from Synology NAS with a Mac - wrong partition size showing
I have 2 x 3TB disks I've removed from a Synology NAS. When I try to mount these disks on OS X, they show as only having a single 800GB partition.
I've tried erasing in the Disk Util app, but it only ...
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Manually mount a RAID 1 set - 2 of 2 drives are Online but Disk Utility cannot mount, set name is not displayed
Overview: WD My Book Thunderbolt with 2x WD 4TB drives (factory-fitted), connected to 2014 iMac (macOS Sierra 10.12.6) via Thunderbolt 2 port. Drives are configured as RAID 1. Both drives are listed ...
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How do I copy files from macbook to external harddrive using single user mode?
My MacBook pro shut down due to an error, and now I can't log in again. I've tried creating an image using Disk Utility but it fails every time. I have my hard drive connected to my MacBook but when I ...
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Macbook Pro (encrypted disk) hangs during login after some “low hdd space near-crash”
My macbook almost crashed when it was low on HDD space. I emptied about 10% of HDD, but still there were some glitches (some apps couldn't start up and so on), so I restarted the laptop. Restart didn'...
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Creating a bootable USB
I am trying to restore a dead windows machine, all I have access to currently is an old mac. I am trying to accomplish this by downloading the Win 10 1809 iso and creating a bootable USB stick with it....
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diskutil mac error 69519
I needed to delete my bootcamp partition but bootcamp wouldn't let me, so I deleted the partition and also the recovery partition of windows from diskutil. The problem is when I try to add the free ...
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1answer
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Tried to fix filesystem type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and probably made it worse
I have a MacBook Air 11 inch which I recently tried to install Linux on with a swap partition and a root partition. In my stupidity I used the “disks” program under “try ubuntu now” to delete the ...
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GUID Partition Attribute not working on MacOS
I'm trying to prevent automount on a device. The device contains only one FAT32 GPT partition.
I have set the GUID Partition attribute to 63 using gdisk (i.e. do not automount). I have also tried ...
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Macbook Pro 2012 MD101 cannot bootup, cannot reinstall OSX
Problem Description
About 5 years ago, I upgraded the original HDD to SSD (Samsung 840 evo), everything was ok until last November.
After a trip to an examination (4 hours drive, 2 hours out, 2 ...
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can't shrink the system partition in order to clone and swap disk
I wanted to swap my 1TB old iMac HDD to a 1TB SSD but apparently it's not that easy with diskutil under mojave recovery system.
From a disk to disk it's impossible since the disc is complaining to not ...
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2answers
25 views
Can't mount writable images in Disk Utility
I'm trying to add a file to an ISO then reburn it. In Disk Utility, I mount the original ISO, choose "Create From ..." to create a new image file with "read/write" access and save it. When I mount ...
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1answer
35 views
The startup disk cannot be partitioned or restored to a single partition. Windows 10 and Mojave iMac Fusion Drive
The startup disk cannot be partitioned or restored to a single partition.
The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp ...
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FusionDrive not mounting because the GUID Partition is messed up after removing one physical drive
so I got a really delicate situation going on. I exchanged my mechanical HDD with a SSD and turned the 1TB HDD into a external USB device. So far so good, everything works like a charm. Yesterday I ...
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How can I merge two APFS partitions on the same drive? [duplicate]
I have a 140GB partition I would like to merge into an existing partition. Both are APFS formatted. How can I merge these two containers ?
Container Disk2 is my MacMini OS Mojave 115.9GB
Container ...
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How do I clone from a Mac OS Extended (Journaled) spinning hard drive to a new SSD on 10.13.6
I have a MacBook Pro (13-inch, Mid 2010) with a 500GB spinning hard disk boot drive with High Sierra 10.13.6. Disk Utility reports the drive as "SATA Internal Physical Volume - Mac OS Extended (...
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Mac OS running slow after Mojave install and disk appears to be corrupt
I currently have upgrade OS Mojave on my laptop, imac at home and imac at work. Don't ask me why I did all at once, other than not thinking straight.
After the install performance has dropped on all ...
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Not able to access data/partition on HDD after removing it from iMac
hope I'm right here. I'm quite lost as of now.
tl;dr
Can't properly access data from an 3 TB HDD I removed from my dead iMac and hooked up via USB (2.0) to the new one.
Recovery software tells me, ...
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Resize system partition?
I found some questions like that here but it doesn't help me. I use Paragon hard disk manager & disk utility to resize it and have screenshot like below.
But I can't add free space to main osx ...
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Will a Disk Wipe Be Logged?
Currently I'm running Mac OS Yosemite. I've booted into the recovery partition and I'm using disk utility to perform operations on my main partition. My questions are:
If I erase other partitions ...
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Problem when extending windows partition using Disk Utility
I tried to partitioning the macOS partition to have some space to extend the Windows partition using Windows OS. When trying to switch back to Windows OS, I could not find it. Even when restarting and ...
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1answer
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How can I repair my Mac so Time Machine backup will work?
I'm trying to backup my computer for the first time running Yosemite OS. The time machine fails, despite trying with two different external USB 3 drives with this error partway into the Time Machine ...
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1answer
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`diskutil list` shows type Windows_NTFS, but `Disk Utility.app` shows type ExFAT. So What is the type?
I just bought a new external ssd drive (connected to USB3 port of Macbookpro). and then run
$ diskutil list /dev/disk1
/dev/disk1 (external, physical):
#: TYPE NAME ...
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1answer
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Timemachine backups to Encrypted APFS partition. Checkbox turn off encryption
I am trying to use a newly created APFS encrypted case sensitive APFS partition with Time Machine backups. If I do not check the box encrypt backups, it prompts for the password to turn off encryption....
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External hard drive APFS marked as read only, after repair does not mount at boot time
I have an external 2TB hard drive formatted with APFS connected to my 2017 iMac 27" running Mojave/10.14. Until yesterday, this external disk would be mounted during boot time and everything worked ...
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1answer
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Unable to partition internal Toshiba drive for OS X re-installation,
Trying to resurrect an older MBP and I'm at my wit's end on how to go about it. Hoping you all might be able to shed a helpful light on things.
The MBP in question is circa 2012 and immediately boots ...
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39 views
Core Storage Missing
I was trying to install Windows via BootCamp. But it showed an error and Bootcamp started to restore the partitions it created. But the process never finished so I had to quit BootCamp. I found out ...
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1answer
276 views
Installing Ubuntu on Mac with macOS Mojave
I tried to follow steps in the article Installing Ubuntu on Mac with macOS and Windows already installed.
But I have a different file system. And cannot resize with diskutil.
diskutil resizevolume ...
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macOS Mojave will not let me purge “purgeablefile” [duplicate]
I have a 1 TB drive. From Disk Utility, it shows 927.6 used, and 66.93 free, with a purgeable space of 424.15 GB I have followed several different documents floating around the Internet to turn off ...
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Is it possible to copy the remaining files of a (possibly corrupted) hard drive to an external hard drive?
Let me explain. After trying to update my Mac Sierra (it was a 2013 Macbook Air model) to Mac High Sierra, the update failed ("MacOS could not be installed on your computer"), and I was unable to ...
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removing write up protection from micro sd card
My micro sd card suddenly got locked and i don't know how to remove the write up protection using my macbook air nor the disk utility. How do I remove the digital write up protection from my card ...
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1answer
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Adobe applications - Case-sensitive volumes not supported Mojave
I am trying to install the adobe creative cloud apps. when the setup launched it shows this error :
Case-sensitive drives not supported
I created a partition with the format APFS but nothing. ...
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1answer
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did the following steps now disk is not recognized!
So I did this for a flashdrive and it worked perfectly then I tried it for an external harddrive and it will not work. After entering:
sudo mount -w -t msdos /dev/disk3s1 /Volumes/MIXTAPE
I get this ...
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Deleted High Sierra partition still shows on boot up and I still cant reclaim the deleted storage
I installed high sierra on a separate 100gb partition and then deleted it demo disk utility on recovery mode. When i boot my mac and hold option it still shows the high sierra partition but when I ...
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The startup disk cannot be partitioned or restored to a single partition. Windows 10 and Mojave 10.14
I installed windows 10 through bootcamp and I want to remove the partition. However, upon opening up bootcamp assistant it said that the startup disk cannot be partitioned or restored to a single ...
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Create a partition that both Windows and macOS Sierra can access via Disk Utility
After I installed macOS Sierra I decided I wanted to also have Windows for gaming. I installed Windows 8.1 via Boot Camp Assistant and gave it about 110 GB of space.
After some time I realized that ...
