Questions tagged [disk-space]

the amount of space on a computer storage device, such as a hard disk, SSD, or USB flash drive

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macOS installations shows less space than I have

I cleared my system to install the BigSur beta: So I have 62 GB free space. But when Im in the installation process its shows the following: Just 28 GB free space. How can I fix this? when I look up ...
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24 views

Parallels VMs double counted for disk space usage?

My Mac claims to be running out of storage, and when I look at my storage breakdown, this is what I see: However, when I look through the files, this is what I see: Documents appears to only be ...
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Why my apps got deleted - diskspace/memory low?

This sucks - my apps got deleted so when I try to open them, I see this question mark in the icons on the tray. Background apps like docker etc, also are not appearing in the system tray at the top ...
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1answer
73 views

“df -h” is showing about 1/2 “Available” disk that the “Disk Utility” shows for same internal SSD. Which is correct?

In mid-2012, I purchased a MacBook Pro, and replaced the internal HDD with a 256-GB Samsung SSD. I am starting a new project. Making sure I have enough disk space, I get conflicting results for the ...
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1answer
32 views

Why does 'df' not show changes after running CleanMyMac?

I've used CleanMyMac to remove around 40 Gb of files, but a before/after of df -h doesn't show much difference at all: # Before: [Kens-MacBook-Pro:~] % df -h Filesystem Size Used Avail ...
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1answer
37 views

How to free up storage taken by the “On My iPad” app?

I have a 6th generation iPad, iPadOS 13.5 I have used an app called "On My iPad" that came preinstalled to this iPad to copy files to this iPad (like PDFs, movies, etc.). Eventually, I deleted all ...
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1answer
31 views

What is kernel_task reading and writing?

On my machine, kernel_task has a very large number of reads and writes compared to my usage. I spend almost all my time online on google chrome. Over the past month, Activity Monitor shows ...
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0answers
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group.com.apple.notes is taking up huge amounts of disk space

Further to yesterdays question about Apple Notes taking up huge amounts of space on my iPhone, on my Mac the folder group.com.apple.notes\media is taking up 13.1GB. Each folder has a zip file and ...
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1answer
31 views

Disk image creation from folder: error 28 - no space left on device

I wanted to create a full copy of my MacBook Air in a disk image for archive. I can't save the disk from the booted system, so I restarted my Mac in Recovery mode (keys Command and R) on boot. From ...
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1answer
27 views

Deleted Bootcamp partition space is not unavailable anymore

I uninstalled windows 10 I had installed using the bootcamp assistant, after which my MacOS disk size hasn't restored to normal. How do I reclaim the lost space?
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Mac OS available storage rapidly changing, shrinking [duplicate]

I’ve been having an issue where the available storage on my disk lowers by up to several gb in a couple days, or fluctuates seemingly at random. On the latest version of Catalina, and so far I’ve ...
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1answer
50 views

Catalina's usage of 15-plus GB in 'Other Volumes' versus Sierra

I have two Macbook Airs each with an SSD of about 120 GB, with the difference being that one has Sierra and the other has Catalina. The user data are virtually identical (though the one of Catalina ...
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Deleting my mail in Mac, but space is not cleared

Today, I deleted alot of files in Mac Mail but it did not clear any space on my HD. It keeps saying Mail is using 5.36 GB, no matter how much I delete and empty my trash. I have rebooted several times....
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1answer
113 views

fsck_apfs fails with “btn: invalid value” and “Snapshot is invalid.”

I have an old MacBook Air running out of disk space, and DaisyDisk reports that 25 GB are taken by "still hidden". Following their suggestions, I've tried to run Disk Utility First Aid as well as a ...
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Many apps just disappeared from my machine after low storage warnings?

I was using my Mac last night, and at some point I got a warning that my disk had filled up. I checked Macintosh HD, and it reported having over 5GB free, so I ignored the warning. I started to notice ...
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1answer
22 views

How to limit size of Gmail IMAP log files?

I am fixing an acquaintance's computer that ran out of disk space. Space was so critical that the OS did not launch any apps. I booted in Safe Mode (holding Shift during startup), deleted 1.5 GB of ...
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1answer
3k views

How to disable Spotlight and mds_stores on Mac OS Catalina

EDIT: I appear to have a temporary fix using mdutil - see the end of the post - but I am not sure if it is a permanent fix, so I am still interested in answers. I have an iMac running Mac OS 10.15.4 (...
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1answer
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Disk space available: Finder shows way less than System Information [duplicate]

The Finder currently shows only 81GB available (at the bottom of a folder's window) whereas System Information > Storage shows 455GB available. Why does the Finder show so much less space available? ...
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1answer
842 views

Temporary dyld_shared_cache taking a lot of space

I am developing an application with Flutter and using an iOs simulator (iPhone 8 13.4). I noticed that while I am running my application (I am using VSCode), a lot of space is taken by some files. ...
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1answer
55 views

only 8GB diskspace, iCloud keeps downloading iCloud stuff!!! help!

Macbook: 128GB - 8GB free iCloud: 200GB - 160GB free I have a very frustrating problem. I have a 128GB Macbook so you can imagine how space is an issue. I bought 200GB iCloud storage thinking that ...
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Tracking disk usage [duplicate]

I usually use du to track down where the storage on my Mac has gone. According to System Information, I currently have 223.5 GB of 499.96 GB available. However, when I'm trying to see where the ...
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Find folders with greatest disk I/O or disk changes [duplicate]

I got to this issue by becoming aware that MacOS's time machine is backing up large amounts of data (say usually 1-3GB for each backup, i.e., each hour) while I am not doing anything on the computer. ...
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1answer
27 views

Disk scan shows account Guest uses 74 gigabytes; Can I reclaim space?

The DiskExpert Utility shows 74 GB of disk space allocated to user "Guest", yet Finder only shows less than one GB. Can I reclaim the space, or is DiskExpert "lying"?
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GenuisScan folder takes up 16 GB

I have an older iMac running High Sierra. I just ran GrandPerspective on my nearly full drive to get a visual mapping of my hard drive. It showed several large areas indicating a significant amount of ...
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MacBook says out of space but disk inventory and daisy disk show plenty of space please please help [duplicate]

I have a mid 2011 MacBook air with 128 gb but from every app it says im only using 98 gb while the system has 76.45 gb that its taking that I cannot locate anywhere. I have tried everything I can ...
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146 views

Daisydisk reports more than 40GB “still hidden” space on macOS Catalina

On my Mac running macOS Catalina, I noticed there were much less and less free space during past several weeks in which I had done little file additions or software installations. Scanning with ...
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35 views

Can't remove a hidden bootcamp partition [duplicate]

I had a bootcamp partition that I'd wanted to remove. It seemed like it'd been removed using bootcamp, but it is still taking up a big chunk of space in the System storage, and now I can't find it to ...
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1answer
113 views

Can I safely remove these MOV files from the OSX SSD?

It is my 'Macintosh HD Info': However from time to time I get this 'There is not enough disk space available to install the product.'. So I really want to free up some space. I also use the '...
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70 views

BootCamp The startup disk does not have enough space to be partitioned even if it does

So, I'm trying to install windows 10 through bootcamp and I have this problem: when I check for free space I see this: Even if I free a couple of more gb the error remains the same. I turned of Time ...
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1answer
52 views

What is the difference between this disks (0 and 1) on my Mac?

I want to know how does my Mac use this disks. What is the difference between this disks (0 and 1) on my Mac? And what is the difference between internal and synthesized? I would be appreciated if ...
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Other Volumes issue after a crash/reinstall… Is there any way to recover the data in the Other Volumes?

I had my mac crash last month, and I did a reinstall... But I guess I didn't delete the old volumes first. Now I have most of my internal drive is "Other Volumes". 1) Is there any way to access that ...
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Users Library folder much larger than contents [duplicate]

There are a number of similar questions about folders being larger than contents, however, from what I've seen the most common suggestion is to check the Library folder, which may be hidden. In my ...
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2answers
124 views

What is a good replacement for the 'df' command that is broken on macOS Mojave?

The 'df' has been my tool of choice to investigate how much free space I have on my disk. But with APFS, TimeMachine local snapshots and all that, it has become unreliable. I.e. after removing a lot ...
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524 views

How to safely remove unused Xcode .pkg files from /private/var on Catalina?

EDIT: I have solved the problem (the main cause of it, at least). The issue seemed to stem from rouge XCode installation files that were cached in private/var/folders/gh/... during several failed ...
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1answer
27 views

How to deduplicate iMovie files in “Original Media”?

With each project, iMovie imports videos, images, and audio into an iMovie Library.imovielibrary. I want my originals in a separate folder, along with other originals that I didn't import into iMovie ...
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13 views

Is there a way to run Clusters App (transparent disk compression) on a modern MacBook?

In the past I've been using: http://clustersapp.com/ I'm on 10.14 Mojave and probably soon on Catalina. Just wondering if you know how to allow this program to run again? In the toolbar menu it's ...
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1answer
750 views

How can I free up space to reinstall macOS (Catalina)?

Ok, I’m in a bit of a pickle here. I wanted to install the latest macOS 10.15.1 update today and was initially told that I needed to “free up more space”, since the upgrade expects about 19 GB of free ...
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2answers
217 views

More than 120 GB Hidden space in Mojave

My mac is eating up all free space and I have no clue where it's coming from. I have used tools like DaisyDisk or OmniDiskSweeper to find any folder/files which might be taking this space, but there ...
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16 views

df result obviously wrong

I just deleted a large (50 Gb) file and have emptied the recycle bin but df -h still reports my disk as only having 31Gi available. As the result from df is effectively instantaneous it must be using ...
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0answers
994 views

Snapshot hell? Unable to free space on macOS Catalina

Like many others I am unable to clear up space after deleting files. I tried clearing snapshots: # tmutil listlocalsnapshots / Snapshots for volume group containing disk /: # tmutil ...
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1answer
55 views

Large amount of disk used by “System”. Time machine not to blame. What's taking up so much space?

So, I found a number of threads related to System files on Macs taking up to much space, and it seems for most people they are related to Time Machine snap shots. However, when I run sudo tmutil ...
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1answer
2k views

How much space do I need to make a bootable Catalina volume on my Mojave Mac?

I'm thinking of installing Catalina on a Volume to test and wondered how much space this new OS will take up on my Mac. I'm planning on using APFS Volume so both my main Macintosh HD and User data ...
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1answer
230 views

Cannot partition my Disk: Free space in disk utility much smaller than actual free space

MacOS Mojave 10.14.6 Processor: 2.8 GHt Intel Core i7 Memory 16 GB I want to partition my Disk because I want to try to install Linux-Ubuntu. For this I'm following this tutorial. In Disk utility I ...
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1answer
174 views

APFS encrypted volume, how to get actual free disk space

I have a APFS volume running macOS Mojava. When I right click on the volume and click Get Info it shows: Which in iteslf is confusing because available says 73.99 GB, but used shows all the disk is ...
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24 views

macOS Mojave - The great disappearing disk space mystery [duplicate]

I have a 512GB SSD in my Mac. When cleanly installed from a TimeMachine backup, it shows as being about 120GB. Over time, the disk usage steadily increases. Today About My Mac Storage shows just 44GB ...
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1answer
59 views

Disk usage: How to only show max depth folders?

I want to use the du command so I can find the folders on my system that are bigger than a certain size. The problem with du are the results I get. For example, I get all theses folders as results: ...
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170 views

Disk utility free space doesn't match Apple > About this Mac > Storage [duplicate]

There's a difference of almost 6.14GB regarding how much free space both methods report. What's going on here? How much free space I actually have? (The mounted image is very small, non worries ...
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What else except media and apps is using space on the Apple Watch?

Something unknown is using most of the space on my Apple Watch: The listed apps/media account for at most 1GB, yet more than 3.5 are “in use”. What could it be and how can I reclaim some space?
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2answers
4k views

How do I clear disk space on Mac OS Catalina?

diskutil shows Container Total Space: 250.1 GB (250135076864 Bytes) (exactly 488545072 512-Byte-Units) Container Free Space: 10.1 GB (10112528384 Bytes) (exactly 19751032 512-Byte-Units) ...
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8answers
26k views

Something taking up 90GB of storage in MacOS Catalina 10.15 Beta

After installing MacOS Catalina 10.15 Beta (19A471t) there is something taking up 90GB of my Disk. I tried scanning with Daisy Disk but wasn't able to identify what those files are. How can I find ...

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