Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [disk-space]

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

94
votes
15answers
83k views

How can I figure out what's slowly eating my HD space?

Every few days I get notices on my MacBook that it's running or run out of hard drive space. Curiously, restarting the computer will enable me to recover gigabytes of space (this past time, it was ...
103
votes
4answers
70k views

Silencing “Your disk is almost full” notification

After upgrading to macOS Sierra, I'm getting the notification that "Your disk is almost full. Save space by optimizing storage.": The options appear to be to store my files in iCloud, automatically ...
18
votes
2answers
20k views

How to thin your local Time Machine Snapshots on macOS High Sierra

I have noticed that my extra space just suddenly disappears since upgrading to macOS High Sierra. For example, I have 170 GBs free in the morning and then by the afternoon I'm down to 56 GBs. Then ...
19
votes
7answers
45k views

Gigabytes of disk space shown as hidden space in DaisyDisk

My disk space usage doesn't add up. I should have used only about 80 gigabytes, but according to DaisyDisk about 25 gigabytes is taken up by hidden space. The mystery disk space seems to be classified ...
30
votes
12answers
3k views

How can I free up some disk space?

I'm about to run out of disk space, and I know I have a lot of junk on my macbook but I don't know how to find it to figure out how to delete it. Is there an easy command line way through terminal to ...
17
votes
4answers
36k views

Reducing Lion OS Footprint by removing unnecessary files/folders

I am trying to downsize my iMac 640Gb disk to make it fit onto a 120Gb (113Gb usable) SSD. The total size of use files is currently approximately 340Gb, of which my home folder accounts for 265Gb (...
36
votes
8answers
232k views

How can I clean up 'Other' storage on iPhone 3G?

My iPhone 3G is currently showing 3.1GB of 'Other' disk space in iTunes, and this amount seems to be growing by about 0.1GB every couple of days. I can't find any good references for what this space ...
6
votes
1answer
3k views

Large difference in reported free disk space

I have a strange discrepancy in the amount of free disk space that's being reported. The finder says: My iStat Menus says: Which is the same as df -h reports: remco@Prosperpine ~ $ df -h ...
25
votes
7answers
49k views

Disk space not freed up after delete

I had approx 50Gb of Windows VMs on my MacBook Pro internal SSD (128Gb) (OS X 10.7.3). I copied them to an external drive, then deleted them from the internal drive, then emptied the trash. When I ...
15
votes
8answers
154k views

Remove unnecessary backups from TimeMachine to get space

I know that oldest backups are removed automatically when there is no space for new ones on TimeMachine. I use TimeCapsule also for sharing files on WiFi, so I’d like to free some space by removing of ...
5
votes
4answers
24k views

How to check what applications are using the most disk space?

I have 380GB left on my SSD and was wondering how much space my applications are using. Is there a way to check this?
5
votes
1answer
7k views

Is it possible to backup iOS devices to an external drive?

I have a new Mac Pro with a small 256GB SSD. I have a larger 2TB drive that I run backups to. My girlfriend has a MacBook Air with a tiny 128GB SSD. Our problem is our iPhones have 50GB of music, ...
10
votes
1answer
11k views

Xcode free space requirement

I am trying to update Xcode to 8.0. My OS is 10.11.6 El Capitan. However I am getting: We could not complete your update There is not enough disk space available to install the product. I have ...
7
votes
2answers
4k views

Why is it important to keep lots of freespace on OSX? What is the impact?

I have a 500GB drive and have less than 50 GB free. Console is reporting several interesting errors saying I'm too low on space and it's cleaning up "stuff" 1/6/13 4:49:51.475 PM com.apple.mtmd[...
8
votes
9answers
5k views

How do I find how much disk space a program is occupying? [duplicate]

How do I find out how much disk space a program such as Skype occupies? My SSD is getting full, and I want to see what can be deleted.
3
votes
4answers
82k views

MacBook Air: What taking up all my hard drive space [duplicate]

I have a 128gb MacBook Air running Lion. I am constantly having issues with disc space, but have no idea what is consuming it all. When I look at the disc utility break down, it says about 80% of the ...
3
votes
1answer
7k views

iOS 7 upgrade - how much space will I get back?

I've got an iPhone 5 running iOS6 and I'm considering upgrading to 7.0.6. I see I need 3.9 GB to run the update and I'm pretty sure I'm going to get some of that back, but don't know how much. How ...
3
votes
1answer
636 views

Prevent automatic removal of the Spotlight index due to low disk space

I am guessing that when disk space runs low, it automatically deletes the Spotlight index to make room for virtual memory. Then when space becomes available it reindexes. But I'm not sure about that. ...
0
votes
2answers
501 views

Over 25 gb of Space Disappeared

Here's my problem: over the past couple days I did a really good clean out of my computer and managed to free up several gigabytes of data and was hovering around 233+ gb of free space. Then in the ...
41
votes
7answers
46k views

A modern and faster alternative to Disk Inventory X

Disk Inventory X was kind of nice, but it is painfully slow. Are there any modern and faster alternatives? I only care about the disk space, and not about the file type stats and about the graph ...
65
votes
2answers
203k views

What is Mobile Sync - Backup and why is it taking so much space?

I was checking my directory and found out that the Folder Backup in Library > Application Support > Mobile Sync > Backup, is taking 13GB of my Harddisk ... What is this and why is taking so much space ...
17
votes
5answers
44k views

Can I cancel a download of a Mac Store app?

I just got a really large Mac App Store app, (2GB), but Im having some trouble with my diskspace... Is there a way to completeley cancel the download of the app? I mean not just pause it but cancel ...
13
votes
5answers
82k views

What is filling up my hard drive so fast?

Last night (Because my hard drive was almost full) I freed about 4GB. Then I came back to my Macbook about 3hrs later (I left it idle) and Its was full again. Is something is eating my mac? If I go ...
4
votes
1answer
1k views

Silencing “Your disk is almost full” notification

Since none of the solutions found here Silencing "Your disk is almost full" notification worked for me on Mojave, I simply disabled the deamon. sudo mv /System/Library/PrivateFrameworks/...
13
votes
1answer
21k views

What's the “Private” directory in OS X for? [duplicate]

I was running OmniDiskSweeper today, and I came across something called "Private" using 3.9GB. It is listed directly under the root directory along with Users, Library, System, and Applications, so I ...
13
votes
5answers
27k views

How do I quickly find large files and folders on my mac?

I need to free up space on my Mac and know there are a ton of hidden files that are eating up space (Logic for example downloads a lot of instruments... somewhere). Is there any way I can create an ...
4
votes
1answer
15k views

Can I delete /Library/Updates on EI Capitan

I'm trying reduce my drive space requirement. I discovered /Library/Updates is taking up a lot of space. After a quick Google, I found /Library/Updates is used to store system updates file which have ...
18
votes
5answers
13k views

Why do I get different Available/Used spaces with Disk Info and df?

I have an early '13 MBP running Mavericks. Today, I got a SSD external drive today, and moved my virtual machines and Lightroom catalog files over to it to free up disk space, since 256GB goes fast. ...
11
votes
4answers
25k views

9GB com.apple.coresymbolicationd file in Caches

I'm trying to free up disk space, and I came across this: I've read reports of a 600M file, or a 1GB file but never something like this. Is it safe to delete or does rebooting frequently help clear ...
8
votes
3answers
2k views

MacOS Sierra - Cannot find what is using all disk space

My Macbook Pro has run out of disk space, and I cannot find out why. I have minimal Applications and user data. Output from df -h Filesystem Size Used Avail Capacity iused ifree %iused ...
6
votes
2answers
9k views

How do I tell iTunes not to back up apps?

I found that the apps I have stored in iTunes take up more than 10GB of space on my computer. Since I have a 128GB SSD I'd like to tell iTunes not to backup apps. I can download them again for free, ...
5
votes
1answer
971 views

What's the easiest way to free up disk space on my iMac with a huge photo library?

This is a hybrid hardware/software question with a few more factors than the typical "freeing disk space" question. I have an older iMac with (I think) about a 250 GB hard drive. It's been running ...
5
votes
2answers
3k views

Disk space disappears to 0, then after a while I have free space

I've been having this problem for quite a while and it happens occasionally and when it does it get very frustrating and I'm just trying to pin point what is causing it. When it happens, the disk ...
2
votes
2answers
14k views

Apple Hardware Disk Utility Unallocated Space on my Hard Drive

While trying to get Boot Camp set up on my MacBook Pro 15 inch Retina 2015 it asked me to partition my hard drive. Doing so I partitioned my 1 TB hard drive so that it dedicated 750 gb to mac and 250 ...
6
votes
3answers
9k views

How can I get “Automatically fill free space with songs” to reserve more space than a half gig

On my iPhone 3GS (32GB) I want to keep more than .48GB free space when I tell iTunes to "Automatically fill free space with songs" for doing things like taking pictures/recording videos. I don't want ...
5
votes
2answers
5k views

How to empty MobileBackups.trash content

I noticed that OSX reports a wrong disk space amount, reporting that "Other" space is near to 170Gb. Digging into the issue here "Huge inconsistency in disk space measurement, missing 50% of the disk"...
5
votes
3answers
7k views

Why do I have 8.3 GB mail on my hard drive even when using gmail?

I am short of space on my 128 GB SSD so I've been using Grand Inspector to see what has been using up all this space. I found that in Library/mail/v2 there is 8.2 GB of email. What is this and how ...
4
votes
2answers
2k views

JDiskReport is damaged, can't be opened

I have tried downloading and running JDiskReport 1.4 a few times now, and after unzipping it and clicking on the executable I get the message: "JDiskReport" is damaged and can't be opened. You ...
3
votes
2answers
11k views

Deleting files doesn't free up space [duplicate]

I moved away (to an external drive) about 30 GB of files from a drive (startup disk) that had 60 GB of free space. After the move it still shows only 60 GB of free space, not 90, as I would expect. ...
3
votes
2answers
6k views

Huge inconsistency in disk space measurement, missing 50% of the disk

I own a MacBook Pro 13 Retina, OSX reports disk usage as 450Gb, but utilities such as DiskInventoryX tells a different story reporting 226Gb as used disk space: How can I convince OSX to give me back ...
2
votes
1answer
313 views

FileVault sparsefile uses double of actual allocated disk space

I just noticed that for some reason disk usage (du) reports that FileVault in my home directory would use its allocated disk space twice: [/Users]% sudo du -h -d 1 . 184G ./.moo 170G ./moo 204K ...
2
votes
2answers
1k views

How can I safely eliminate duplicate apps from my iPhone?

I have just had my iPhone replaced under warranty, and when restoring it from backup much of my preexisting free space vanished. What I've found, after some shell hacking, is that I appear to have ...
2
votes
0answers
270 views

Missing hard disk space

I'm trying to figure out where my missing hard disk space is going. I'm using du and df from the command line and there seems to be a clear discrepancy. So here's the du output: $ sudo du -h -d 1 / ...
1
vote
1answer
438 views

Finder not showing correct free space?

I have a software called Daisy Disk and it says I only have 70 GB left in my drive. However in Finder I see 131 GB available. How is this 60 GB difference possible?
1
vote
1answer
7k views

Trying to Free Up Space - Can I Delete Library Cache? [duplicate]

I'm trying to figure out how to free up some space on my MacBook. I downloaded Disk Inventory X, and in looking at the storage breakdown it provides, I see that my Library folder is 119.4 GB. Library >...
1
vote
2answers
2k views

OS X 10.11.6 Missing over 200GB of disk space

I have a problem with disk space - all programs report that I used up 470GB out of 512GB, but all my files take about 245GB. Storage tab in "About this Mac" reports this space as "other". Where is the ...
1
vote
2answers
612 views

Why Mac OS X requires any amount of free disk space?

I understand the OS needs some free disk space for running. So does windows or any *nix. But OS X is regarded as a very polished system and my question here is more like, shouldn't it already reserve ...
1
vote
1answer
678 views

Mysterious hard disk space vanishing?

I'm running Snow Leopard on a Late 2009 unibody MacBook. At the moment I was trying to do some late spring cleaning, and clearing up some HDD space. Now here's the weird part: My User's folder shows ...
0
votes
1answer
194 views

Finder and About this mac shows different free space sizes?

Which one shows the correct value and how can I make room for ghost application allocated space?
0
votes
1answer
347 views

I have deleted a bunch of music from iTunes on my Macbook Pro, but am not gaining any free space

I am trying to clear off a lot of extra space on my hard drive. I started with about 90 gigs of music today when I had about 45 gigs of space left available. I just deleted almost 40 gigs worth of ...