After using "erase free space," hard drive has almost no available capacity

I decided to clean all the files off my iMac as I wasn't using it as my primary computer anymore. After deleting the files, I used Disk Utility and used "erase free space" with the 7x option. I also emptied the Trash folder.
When I checked the HD, I found:
Capacity: 297.77 GB
Available: 4.68 GB
Used: 293.09 GB
This makes no sense to me, since there is very little on the computer (some applications). Also, before I started, I know there was about 260 GB available.
I'd appreciate some advice on how to "free up" the available space that I know must be there.
Thanks!

Hi, sounds like the secure erase didn't finish maybe & left a big invisible file on there.
How much free space is on the HD, where has all the space gone?
OmniDiskSweeper is likely the easiest/best, and is now free...
http://www.omnigroup.com/applications/omnidisksweeper/download/

Similar Messages

Help using "erase free space" feature in Disk Utility

If I try to "erase free space" on my hard drive, the task never completes, and a temporary file is created, which can be deleted upon restart. If I start up from the Tiger Install DVD to wipe the free hard drive space, will I still have this problem or will it work properly?
G5 Dual 2.3 GHz Mac OS X (10.4.6)

So how much "free space" for a Temp file do you need to even use "Erase Free Space"? I have 111G available (120G drive), and I have 50G "free space", and it uses up all my space for a Temp File, then won't proceed unless I "clear more room on your startup drive". I need over HALF the drive empty to even use "Erase Free Space"? It would be nice if Apple told us before we started the long process.

Time Capsule full after a "Erase Free Space" using Disk Utility

Hello,
I am facing some issues related to my Time Capsule.
Reviewing my past, I had a lot of backups on this, using Time Machine and it always worked pretty well. But after deleting some backups manually to reclaim disk space, this was not exactly freeing it.
Searching in the forum here, I saw that I could mount the backup sparsebundle image and map it into the Disk Utility. This always worked greatly too both for disk checking and reclaiming the space back.
The problem starts on the last Friday when I performed the operation again, but it started using the whole free space that I had and did not give it back.
Studying the case I found that it creates a temporary folder to store the file it creates to write the byte 0 on the disk. This file actually resides in the sparsebundle image and therefore I can see the file with 200GB, for example, in the Finder, this is a split in bands (8MB) just like the backup is. After the disk gets full, the Disk Utility should delete the file properly and give me back the space safely.
Right now my Time Capsule has 0 byte free and I can't do anything on it beyond redo the the Erase Free Space operation. When I do it, it starts writing the temporary file again and the problem repeats itself.
I know that if I backup the data and really erase the disk, I'll get it back, but this is not an option for me because I want a smart solution for this.
The only thing that changed between when it worked and now is the 10.5.6 update that I made and I'd like that it's not the root of the issue.
Is there any suggestion or general stuff I could do to fix it?
Did anybody already face the same issue?
If anyone needs more details to help me out of this, just let me know.
Thanks and regards,
Eduardo

Just another thing to add, I'd like a good solution for this as the redo operation from Disk Utility takes around 2 days and then it just "dies".

Lost free space after an "Erase Free Space" procedure

I just ran the "Erase Free Space" application from the Dick Utility. The erase failed and now I have ZERO free space available. I am now showing that all 111g or used oposed to roughly 50% prior to the Erase Free Space. I have found a few articles trying to explain what to do but, I have been unable to locate the empty temp files that we created during the Erase Free Space, so I have been told. Can anyone help me resolve this solution and restore my free space?
Thank you,
Shannon

WhatSize should be able to find the temporary files
<http://www.id-design.com/software/whatsize/>
You could try the Erase Free Space from Disk Utility on the install DVD. It might delete the files when it finishes.

I cant open Itunes 12.1.2 and use "erase free space"

Hi guys, after updating the new Apple update (10.10.3 and iTunes 12.1.2, I have so many problem to my macbook pro 2014 version. It takes a lot longer to start the computer which is incredibly fast before updating. Plus, I also cant open the iTunes and use the "erase my free space" in Disk Utility due to "cant create temporary file" even when i have like 150 Gbs left. Any helps?

Hey SteelyDanO78249
My iTunes 12.1.2.27 becomes unresponsive on Windows 7 (64bit) whilst just browsing through the software, as I get a message come up saying “iTunes has stopped working” and then closes itself. I personally think that the software is full of errors which need fixing by Apple especially as they still have not grasped the motto “If it aint broke don’t fix it”. Especially as I have done everything like you have done to try to make the faulty software work.
It will be interesting to find out if someone out there has found a fix, but I doubt they have.
All the best, Jolly_Oli

System Won't Reboot Proper After Running "Erase Free Space" in Disk Utility

Thought I'd run it to see what happened.
On an 80gb HD with 35gb free, I was told I was running out of free space partway through the erase, program then quit. Kept system going for about two days without problems, then shut it down for a day. When I rebooted a few hours ago, it seemed to take forever to do so, followed by a dim perpetual blue screen which I couldn't brighten via the keyboard. Waited 20 minutes for screen to resolve into my desktop; alas, no such luck. Rebooted a few times, no change.
17 pB @ 1.33ghz & 1.5gb RAM Mac OS X (10.4.7)

One of the first things I tried: no effect.
Booted on the MacOS X CD and ran disk utility and it found errors, fixed them, rebooted from the hard drive and now I get a perpetual grey screen with the li'l rotater. Zapping doesn't do anything this time either.

Migration Assistant did not transfer my network or computer settings as I expected. Do I have to manually reconfigure all my laptop settings after an erase of the hard drive and reload of the OS?

Snow Leopard (10.6.8) became corrupted resulting in not being able to shut down my 1/2007 Intel Core 2 Duo MacBookPro and not being able to download numerous programs and updates. I backed-up my laptop, took it into the Apple Store where they wiped the hard disc clean and reloaded the OS. They suggested I use Migration Assistant to restore my backed up information to my laptop, but ALL of my settings from Desktop, to the Dock, to Finder, to screen savers, to Safari bookmarks, to all of my Mail inboxes, archives and smart email boxes, and to Documents and all of my files and their organization, to iTunes, to Address Book, to Calendar are GONE.
Do I need to do some more formal kind of a restore from my back-up drive to recover/restore this information and "get my laptop back" or is it all lost?

When a newly installed Mac is started up the first time, Setup Assistant runs for that only time and can migrate everything over, including user accounts. Later on, Migration Assistant can migrate some of the stuff but not all, since the computer already has a config and data on it that MA can't overwrite.
If you reinstall SL again, wiping the HDD, SA will run at first start one more time and can do the full migration from the backup.

Erase Free Space vs Reformat Hard Drive

I am getting ready to sell my computer. In the past I have had troubles when I reformatted my hard and then reinstalled the OS. If I use "Erase Free Space" from the Disk Utility and choose 7 pass overwrite should I be confident that all deleted personal information will be securely removed?
Thanks
12" PowerBook G4 Mac OS X (10.4.8) 768 MB RAM, Superdrive

It would be simpler, not to mention much, much faster, to do an Erase and Install of OS X. If you've had problems with the hard drive in the past, then I suggest doing the following before installing:
Extended Hard Drive Preparation
1. Boot from your OS X Installer Disk. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger.)
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. Otherwise, click on the Partition tab in the DU main window.
3. Set the number of partitions from the dropdown menu (use 1 partition unless you wish to make more.) Set the format type to Mac OS Extended (Journaled, if supported.) Click on the Partition button and wait until the volume(s) mount on the Desktop.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled, if supported.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process will take 30 minutes to an hour or more depending upon the drive size.
After formatting has completed quit DU and return to the installer. Now proceed with the OS X installation. When the installation has completed DO NOT RESTART. Instead simply shut down the computer. When the new owner starts up the computer it will automatically start up in the Setup Assistant as if new out of the box.
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My external hard drive accidentally switched off during Disk Utility's "erase free space" process. I restarted the external hard drive and Disk Utility, but now I get the "couldn't mount disk" error when trying to finish the erase. Please help!

My external Lacie Quadra hard drive accidentally switched off in the middle of "erase free space", and when I switched it back on Disk Utility was hanging. So I Force Quit Disk Utility and restarted it. Now when I try to erase I get
"Secure Disk Erase failed with the error: Couldn’t unmount disk."
But "erase free space" seems to work...
What can I do? I'm erasing as I'm giving the drive to someone else and I wanted to wipe it clean.
Also should I use "erase" or "erase free space" if I want to wipe the drive clean?
Please help!

Sorry I don't really understand.... there are no partitions on the drive. How do I repartition it?
And should I use "erasing free space" or "erase" for wiping clean my drive of everything? Erase seems to be faster last tiem I tried.
Thanks!

HT3680 How to get my free space back after quitting the disk utility's erase free space

Hi,
I started the DU's erase free space--fastest way method. When it almost completed, I had a pop up that said that I need to free up disk space.
So then i was flustered enought to just quit the program because I didnt want to free up disk space and I was frustrated.
Not knowing it would still keep whatever it was that took the remaning disk space on my Mac.
How to I get this removed so I am back to before?

Sorry I don't really understand.... there are no partitions on the drive. How do I repartition it?
And should I use "erasing free space" or "erase" for wiping clean my drive of everything? Erase seems to be faster last tiem I tried.
Thanks!

USB Flash Drive: Trying to recover space from "erase free space" problem. Finder shows no files i

Hi,
I have an 8gb flash usb drive. (recognizes 7.5gb)
I must have stop the operation or use erase free space orsomething stupid. Regardless, i just want to get it back to full capacity of7.5 gb. I think right now its only 6.2 gb. Finder shows no files inside thedrive. Let me know what i need to do. I try looking at different webpages aboutsparseimage file or 00 written in place of my missing 1.3 gb. But i dont knowhow to get it back. I am new to OSX, so please help me with clear instructions.Thanks

You can reformat it. Plug the drive in, launch Disk Utility (in your Alications> Utilities folder). Select the dove, theme erace/reformat it.
Just be carefully you accidentally don't erase any other external drives!

Disk Utility - Erase Free Space - Creating Temporary File Freeze

I used "Erase Free Space" with Disk Utility after trashing several files I no longer wanted on the hard drive or recovered. I used "Zero Out Deleted Files" option. It took over 12 hours before an error message appeared "Your start up disk is almost full. You need to make more space available on your start up disk by deleting files." I thought that was what I was doing. Disk Utility continued but got stuck on "Creating Temporary File." I force quit Disk Utility after several more hours. I had to manually shut down the computer because the restart command wouldn't work. It rebooted and appears to be OK. Evidently, this temporary file consumes significant amounts of disk space. This is an older iMac with 10.4.11 (18 GHz PowerPC G5) - I know, pretty old but I still have OS 9 on it and several files I need to extract before I trash it.
1. Should I do nothing? The iMac seems to be working fine.
2. How do I know if this Temporary File exists and consuming space? Spotlight doesn't find it. Where is it?
3. Is my start up disk in fact almost full? How would I know that?
Thanks!

Then I would not do any secure erasing. It's exceptionally time consuming and unnecessary. Before you take it in for recycling boot it from your OS X installer DVD. Do this:
Drive Partition and Format
1. Boot from your OS X Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Apply button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
A one-pass Zero Data option is all that is required to prevent access to your erased files.

Disk Utility - Erase Free Space - Creating Temporary File Freezes

BDAqua: I tried responding to your reply to my original posting but I get an error message that I was not authorized to reply. I logged out. I can't find the original posting in my Activity so I approached from the link in my e-mail saying you had replied. Now it says the area is restricted. What's up with that?
Rod
Here's the original post:
I used "Erase Free Space" with Disk Utility after trashing several files I no longer wanted on the hard drive or recovered. I used "Zero Out Deleted Files" option. It took over 12 hours before an error message appeared "Your start up disk is almost full. You need to make more space available on your start up disk by deleting files." I thought that was what I was doing. Disk Utility continued but got stuck on "Creating Temporary File." I force quit Disk Utility after several more hours. I had to manually shut down the computer because the restart command wouldn't work. It rebooted and appears to be OK. Evidently, this temporary file consumes significant amounts of disk space. This is an older iMac with 10.4.11 (18 GHz PowerPC G5) - I know, pretty old but I still have OS 9 on it and several files I need to extract before I trash it.
1. Should I do nothing? The iMac seems to be working fine.
2. How do I know if this Temporary File exists and consuming space? Spotlight doesn't find it. Where is it?
3. Is my start up disk in fact almost full? How would I know that?

Here's what I tried to say in my response that I wasn't authorize to make:
I can't seem to reply to your response BD . . . says I'm not authorize . . . so I'll try to reply to my original post.
Thanks BD for your reply. Here's the info on the drive: 1.3 TB capacity with 1,017 GB available. Eventually I will recycle the computer at Best Buy who guarantees the hard drive will be erased. I just want to get all my files off first. I'll just do another Erase Free Space and see, as you suggest, if there are any files to be zeroed out. Maybe there aren't any. I've extracted most of what I want but am debating how to move the entire iPhoto library to an external drive so I can access it from my Mavericks machine. Can I just drag and drop the iPhoto Library, or do I need to export it somehow?

Why can't the Utility function's 'Erase free space' create temporary file

I've been using erase free space without problem for some time.. Then today when I tried to use it, got an error message to say that erase free space won't work because it can't create a temporary file. I have a 320 GB MBP with 88 GB of free space.
I'd love you forever if you can help me get round this issue

Here's what I tried to say in my response that I wasn't authorize to make:
I can't seem to reply to your response BD . . . says I'm not authorize . . . so I'll try to reply to my original post.
Thanks BD for your reply. Here's the info on the drive: 1.3 TB capacity with 1,017 GB available. Eventually I will recycle the computer at Best Buy who guarantees the hard drive will be erased. I just want to get all my files off first. I'll just do another Erase Free Space and see, as you suggest, if there are any files to be zeroed out. Maybe there aren't any. I've extracted most of what I want but am debating how to move the entire iPhoto library to an external drive so I can access it from my Mavericks machine. Can I just drag and drop the iPhoto Library, or do I need to export it somehow?

I need to erase free space on my hard drive. But when I am in disk utility the format and name are pale as is the erase free space button so I cannot erase free space.

My start up disk is full. I have been through my computer and erased a lot of music and video to free some space. I then went to disk utility to erase free space and find that the erase free space button is pale and therefore won't work. Nor can I select or deselect MacOS extended journaled.
Advice please?!

Recovering Disk Space
If you have less than 20% disk space then it is time to roll up your sleeves and search for what you can delete and what you can offload to another disk.
If you have less than 10 GB you definitely need to delete or offload some files or purchase a lager disk or SSD (see below). You may want to maintain at least 20 GB of free space so when your disk starts filling again it will have some room before it hits that 10 GB mark again. More headroom is better. If you let the space fall much below 9 GB you might not be able to boot your machine.
Initial easy steps to gain disk space:
- Delete all files in the Downloads folder.
Empty the Trash.
- Start iPhoto.
Empty its trash.
Restart.
- Restart in Safe Mode:
Restart the computer.
As soon as you hear the chime press and hold the right shift key.
Be patient. Hold it down until you see the Apple icon.
Empty the trash.
Restart in normal mode.
- Delete "Recovered Messages", if any.
    Hold the option key down and click "Go" menu in the Finder menu bar.
    Select "Library" from the drop down menu.
    Library > Mail > V2 > Mailboxes
    Delete "Recovered Messages", if any.
- Empty the Trash.
- Restart.
- Re-index your system disk (Macintosh HD):
http://support.apple.com/kb/ht2409
Time Machine Snapshots:
If your disk is 80% full that is normal. Time Machine uses up to 80% of the disk space for local snapshots. To get rid of these snapshots simply plug in your Time Machine backup drive and run a backup. See About Time Machine's 'local snapshots' on Mac notebooks: http://support.apple.com/kb/HT4878 and What are Local Snapshots? http://pondini.org/TM/30.html .
If you are concerned that the “Other” category of disk usage is taking too much space and for information on deleting files then look here: https://discussions.apple.com/docs/DOC-5142
Backup:
Run a Time Machine (or other) backup since you are about to delete and move files and you may need to recover from any inadvertent mistakes or decisions. You will need one external hard drive for your Time Machine (or other) backup and a second if you plan to offload some files. (See suggestions for where to purchase hard drives at the end of this message.)
For more about backups:
Time Machine Basics: http://support.apple.com/kb/ht1427
Most commonly used backup methods:
https://discussions.apple.com/docs/DOC-3045
Methodology to protect your data. Backups vs. Archives. Long-term data protection:
https://discussions.apple.com/docs/DOC-6031
Deleting files:
Then use the free application OmniDiskSweeper http://www.omnigroup.com/more to explore your volume in descending order by size so you can attack the problem from the top down, deleting the largest unwanted files first. Delete with caution and do not delete any system files. Remember to empty the trash after trashing the files.
Additional reference on freeing disk space:
http://pondini.org/OSX/DiskSpace.html
Offloading files:
Consider moving some of the no-often-used large files or directories to an external disk. Use ODS again to find them. As noted above this will be at least your second hard drive. Your first one(s) is/are for your Time Machine (or other) backup(s). Do not offload files onto a Time Machine disk.
Format the second drive as Mac OS Extended (journaled). Using OWS to find large files/folders and copy them from the system drive to the external hard drive and delete them from your internal drive.
Then  > System Preferences > Time Machine > Options… > Remove the offload HD name from the exclusions list.
Now both your system disk and your external offload disk will be backed up onto your Time Machine disk.
From: http://www.thexlab.com/faqs/freeingspace.html
To move your iTunes Music folder to another disk or partition:
To change the location of your iTunes Music folder, carefully follow the instructions in the AppleCare® Knowledge Base document "iTunes for Mac: Moving your iTunes Music folder."Additional information can be found in iTunes Help.
http://webcache.googleusercontent.com/search?q=cache:http://www.thexlab.com/105/ 00000849.html
Laptop users may want to consider having two iTunes libraries: a small library of current favorites on their computer, while their complete library resides on an external hard drive. Utilities like iTunes Library Manager enable you to easily have multiple iTunes libraries you can use with your account. https://www.macupdate.com/app/mac/7689/itunes-library-manager
To move your iPhoto Library folder to another disk or partition:
To move the iPhoto Library folder to a new location, employ the instructions in the AppleCare Knowledge Base document from http://support.apple.com/kb/PH2506 corresponding to the version of iPhoto you are using. Additional information can be found in iPhoto Help.
Laptop users may want to consider having two iPhoto libraries: a small library of current, favorite photographs on their computer, while their complete library, or archives of older photos are saved on an external hard drive. Utilities such as iPhoto Buddy and iPhoto Library Manager enable you to have multiple iPhoto libraries that you can use with your account.
https://www.macupdate.com/app/mac/12175/iphoto-buddy
https://www.macupdate.com/app/mac/7158/iphoto-library-manager
Hardware — Bigger disk/SSD:
If your system has upgradeable storage then if you are still tight on disk space consider larger storage. If you have a disk consider replacing it with a one TB disk. Check out a one terabyte HGST 7K1000 7200 rpm, SATA III drive from OWC http://eshop.macsales.com ($100). If you have an SSD consider increasing its capacity to 240 or 480 GB. A standard 240 GB SSD would cost from $200 to $280. See OWC and Crucial: http://www.crucial.com/ for options. OWC sells 120, 240 and 480 GB SSD upgrades for MacBook Airs. A 240 GB upgrade costs $265.   http://eshop.macsales.com/shop/SSD/OWC/ . If your Mac is under warranty or AppleCare replacing the SSD will void the warranty.
PlotinusVeritas gives some great suggestions for purchasing external hard drives in this thread:
https://discussions.apple.com/thread/5602141?tstart=0

After using "erase free space," hard drive has almost no available capacity

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