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Questions tagged [disk-utility]

Apple's built-in disk management utility for the mac. Erases, formats, and restores volumes and drives.

2
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1answer
23 views

Clear “Other Volumes” storage in Disk Utility

I have around 7 GB of stuff labeled under Other Volumes in my disk. What is using the storage reported under Other Volumes in Disk Utility and how to remove it? I am running macOS High Sierra.
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1answer
26 views

Empty AssetsV2 folder in Finder

I was doing some snooping around in the Finder on my mac and found that there is an empty folder titled "AssetsV2"(https://i.imgur.com/ohxkTp6.png). Im unsure of the direct path but it's found by ...
1
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1answer
52 views

Deleting the ._* files from a mounted volume kinda screwed some things up

I have a thumb drive that I use frequently, which results in a lot of the ._* files being created, which I periodically delete by executing something like find /Volumes/Secure -name '._*' -exec rm -vf ...
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0answers
19 views

Error: -69877: Couldn't open device for disk previously in a RAID0

After one disk was out of work I deleted a RAID0 but one of the two remaining disks that I want to reuse cannot be accessed nor formatted as I get Error: -69877: Couldn't open device. The disk is ...
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2answers
28 views

Change Partition size on internal AFPS drive

A month or so ago, I added a new partition to my 500 GB SSD drive so I could have MacOS Mojave on a separate partition. After adding the new partition, I was left with two logical volumes that were ...
0
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1answer
17 views

I created free space and I don't know to recover it

So I followed this answer here Merge partitions with Macintosh HD And I ended formatting my old bootcamp partition into free space. But now I am unable to see the free space anywhere. When I go to ...
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0answers
34 views

Partition lost it's configurations after formatting a different partition on the same drive

A volume on my internal disk is showing "Owners Disabled" in Disk Utility app. I am not able to either mount the volume, or recover data from the volume. Can someone help me to change ownership ...
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0answers
25 views

Extend main APFS partition fails with “target disk is too small for this operation”

Trying to add existing free space to an existing APFS partition but I'm getting error: Error: -69771: The target disk is too small for this operation I do have free space: I'm using this command: ...
0
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1answer
18 views

Can't extend APFS after erasing old partition as free space [duplicate]

My problem is very similar to this one: Extend main APFS partition fails with "target disk is too small for this operation" I erased an unused 80 GB partition as free space, and I would ...
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0answers
21 views

How to fix APFS warning: invalid crypto_id?

This morning when I ran Disk Utility’s First Aid while booted from the Recovery Partition on my MacBook Pro mid-2015, I saw a number of warnings that looked like this: warning: fe_val: object (oid ...
0
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1answer
62 views

VM volume showing up in /Volumes

I notice that if i run a first-aid scan in the Disk Utility app on what's known as "Container disk1", it shows a mounted volume called "VM". To my understanding, VM stands for "VirtualMemory" and its ...
0
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0answers
23 views

Remove all partitions and volumes

Trying to merge all my partitions and volumes so I only have the one big one like you would on a fresh macbook pro. I managed to merge a few partitions that were around that I made when I first tried ...
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0answers
40 views

MacBook Pro stuck on Update Needed login screen with progress bar

I have a 2011 MacBook Pro running macOS High Sierra. I recently installed an 8 GB RAM module and when I restarted, I was greeted by the Update Needed login screen. I restarted with Cmd + r and found ...
2
votes
1answer
19 views

How to get synthesized disk root device from shell?

I have quite a few volumes (over 10) on a machine and I need to ascertain the parent volume of synthesized volumes for APFS drives. If you execute diskutil list you get a list of volumes, but this ...
1
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1answer
53 views

Unknown partitions in diskutil

When I run the command diskutil list, I get the following output: I was shocked to see that there was a partition on my internal drive called Linux Filesystem. I would appreciate it if someone could ...
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0answers
17 views

How to build/format macOS fusion drive from scratch, which will allow macOS High Sierra Install?

Background/Context: Friday I picked up a USB 3.0 to Gigabit Ethernet dongle for my wife’s late 2013 MacBook Pro, so the next time I had to debug Comcast ISP Service I could schlep that instead of my ...
0
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1answer
9 views

Hard drive partition cannot be removed

I tried to install windows with bootcamp assistant but an error occurred and the installation failed (I don't remember the error message). Bootcamp assistant then tried to remove the partition it ...
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0answers
13 views

Encrypted Disks don't mount in Disk Utility and Finder on OS X 10.9

I've encrypted several external USB disks, both Time Machine and regular. On my MacBook running OS X 10.12, I plug it in, a dialog pops in the Finder asking for my password, I type the password, and ...
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0answers
12 views

Installing Dell LITEON 512GB m.2 w/adapter in 13" 2015 MacBook Pro w/High Sierra, not showing up?

Bought one of those nifty m.2 adapters on eBay for my 2015 MacBook Pro a1502 so I could save some money on buying an OEM drive by using a cheaper 512GB LITEON nvme SSD. MacBook's firmware is up-to-...
2
votes
1answer
30 views

Please help me fix my partition table - I completely messed it up

I messed this whole thing up in the course of manually removing a boot camp install. I then removed OSX while in recovery mode (yeah...). Disk Utility will not allow me to recover 750gb of free space. ...
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0answers
13 views

Flashing folder icon on startup. SSD 250GB Maxed it. How do I remove some of the data out so I can use my Mac again

I have an external hard drive with Mac OS X installed. I’m able to restart the computer under recovery mode. When running first aid on the internal drive it stalls for a long while. I’m also using AWS ...
1
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1answer
26 views

how to check integrity of recovery partition?

I recently reinstalled Yosemite from the computer's recovery image. I'd like to be able to check the integrity of that image (i.e. shasum /Applications/Install*OS*.app/Contents/SharedSupport/{Base,...
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2answers
46 views

Create disk image which can be read on Windows

I am interested in creating a disk image, using Disk Utility (or any other software) on macOS which can also be read on Windows. Disk Utility provides the ability to create .dmg, .sparseimage, and ....
1
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0answers
20 views

External HD not showing up in Finder

I have an external hard drive, been working perfect as an extra backup. Now all of a sudden I cant see the content in Finder. I can't eject it and it's greyed out in Disk Utility. Any idea what I can ...
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0answers
17 views

External HDD not properly recognized

Today I connected my external HDD (WD elements) to my MBP and it was not recognised properly. The disk has two partitions, one an NTFS partition with some files and the other a Veracrypt partition. ...
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0answers
28 views

Mounting a single partition dd image in macOS?

Using testdisk, I have made what is apparently a dd image of a single HFS+ partition (what was originially /dev/disk1s2, I think). Now I try to mount this image file, but seemingly I cannot - even if ...
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0answers
62 views

SuperDuper - how to restore a backup?

I have working, bootable backup on external drive called "SuperDuper" and my internal drive where I want it restored is "Macintosh HD". I just reinstalled MacOS to make sure it is not a software ...
2
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0answers
22 views

Recovering SSD after Ubuntu live USB corrupted partition table?

I'm running a mid-2012 MBP with a WD green SSD inside. I needed to install Ubuntu for university so I tried to do so via a live USB. While doing the installation I accidentally clicked on the option ...
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0answers
29 views

Increase Disk Partition in APFS for new SSD

I'm having issues resizing my main disk in APFS. Got a new SSD disk which is double in size. I decrypted my harddrive via FileVault. I took an image of my old hard drive onto a external hard disk. ...
0
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0answers
18 views

rEFInd menu not showing

How do I bring up the rEFInd GUI? It was showing before, but now just directly boots into Mac OS. I've not installed Linux yet, but am preparing to do so. After using disk-utility now rEFInd seems ...
0
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0answers
33 views

partition failed with the error: couldn't unmount disk

After having resized the Mac partition through the CLI from: /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme ...
0
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1answer
86 views

Reclaim Free Space Partition in High Sierra

I have tried this post Reclaim deleted partition now Free Space after Yosemite removal but it didn’t work. I was still not able to resize after terminal returns no core storage. OS: High Sierra model:...
2
votes
1answer
327 views

'Other Volumes' storage increases after deleting secondary volumes

Long story short: ive noticed each time i create a secondary volume and removed it after some testing, the storage labeled 'Other Volumes' in the Disk Utility app has increased each time by half a ...
2
votes
1answer
47 views

Can't rezize partition on VMWare Mac

I have a mac running in a virtual machine and I expanded the hard drive in the settings, however when I go to resize the partition in the guest OS, it does not let me. There is only one partition now, ...
1
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1answer
41 views

How to resize Apple partition?

How to resize for Linux? /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *250.1 GB disk0 1: ...
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0answers
19 views

External hard drive partitions showing as 2 different disks, can't merge or repartition

I have a My Passport Ultra 1TB external drive with two 500GB Mac OS Extended (Journaled) partitions. I would like to merge these partitions back into a single full 1TB drive. Disk Utility displays the ...
1
vote
1answer
28 views

Using hard disk after a S.M.A.R.T. error

Good day everyone. I had an hard drive and start giving a S.M.A.R.T error and I've immediately replaced it. Now if I try to format it in exFAT, all goes right, (also checkdisk). Here is the result ...
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0answers
24 views

How to mount disc from RAID 1 OS 10.11.6?

My NAS RAID 1 disappear :/ Crappy Unitek Y-3357 I think that one drive is healthy but ...is there any way to mount the disc and recover data ?
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0answers
23 views

External HD appears in System Information but not Disk Utility

It appears as connected under by USB in System Information, but doesn't appear in Finder or Disk Utility. Drive will light and spin, so I don't think its a connection problem. Using MacOS 10.13.5 on ...
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0answers
54 views

2011 iMac Internal HDD with Invalid PEOF causing startup hang: can I save data

iMac mid-2011 27in running High Sierra. Two things happened recently, a storm and a software upgrade 10.13.5. The next morning, computer constantly freezing, on restart startup hangs when the ...
0
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1answer
221 views

Cannot resize APFS partition

The drive is encrypted with fileVault. When i'm trying to grow Macintosh HD to fill Free Space i'm getting with diskutil apfs resizeContainer disk1 197g I'm getting: .... .... APFS Container Resize ...
0
votes
1answer
31 views

Can't boot to bootcamp windows anymore

I think I made a big mistake: I wanted to boot to ubuntu from my usbstick, therefore I used the ppa mactel-boot and I could boot into ubuntu (this tutorial: https://medium.com/@mmiglier/ubuntu-...
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0answers
43 views

How can I *unlock* a CoreStorage volume that is not recognized?

I have a 4TB Seagate Expansion Portable Drive with <1 TB data. It's HFS+, GUID Partition, encrypted with File Vault. It was unplugged without disconnecting, and now the disk image does not mount. ...
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0answers
36 views

Apple BootCamp improper use

I tried to create a bootcamp partition for using windows alongside OSX. For the record, I have MacBook Pro (Retina, 13-inch, Early 2015). I downloaded windows 10 64 bit image from microsoft directly ,...
2
votes
1answer
32 views

Confusing Diskutil List result?

I have a macbook pro with a 250 GB SSD in it. The diskutil list command gives a confusing result for me. It somehow shows a 98 GB disk. Does anyone know what this is? The result is pasted below. (also ...
2
votes
2answers
263 views

Cannot partition internal SSD High Sierra

I wanted to install MacOS Mojave on a new partition just to check it out. But I cant partition my internal drive using disk utility. I'm running High Sierra 10.13.5. I've included a screenshot of disk ...
1
vote
1answer
54 views

Reclaim lost disk space after deleting partition

I tried to install Windows 10 to my iMac 10.13.4, through Boot Camp Assistant, but I failed to complete the process... The BOOTCAMP partition was created though and I wanted to delete it. I realised ...
2
votes
0answers
85 views

time machine runs very slowly, then stops

I've been using Time Machine with my MacBook Pro without issues for some time, however, I’m now having a problem that I haven’t had before: when connecting the external hard drive on which backups are ...
0
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2answers
74 views

VMWare Fusion OS X 10.13.5 GUID partition

I'm using VMWare Fusion 8.5.10, and OS X 10.13.5 as client. In VMWare I shutdown the vm first, then I increased the size of the virtual hard disk. Now in OS X I use Disk Utility to increase the size ...
0
votes
1answer
680 views

Bootcamp Windows 10 Fails to Start After Interrupted macOS Update

I recently installed the macOS Mojave developer beta on my MacBook Pro. Everything worked fine and I could start both macOS and Windows. Today, when updating to the beta 2, however, the installation ...