Erased free disk space what does it do thats diff from normal trash?

Hi guys
what does erase fre disc do that is diff from normal trash deletion?
thanks so much.
CarolineUK
Black MacBook LION, MBP Snow Leopard, iBook G4 Tiger, Quicksilver PPC Tiger

For one it has nothing to do with Trash. It does as it says: erases all the free space on the hard drive. It's a security precaution, nothing more.

Similar Messages

Erase free disk space: 1 time or 7 times?

hey guys,
if I erase free disk space (with disk utility), should I do 1 cycle or 7? Why would there be a difference? In the first cycle, all data will be overwritten with zeros, right? (This does suggest a cycle is not 100% accurate, and you therefore need more cycles?)
And if I do 7 times a single cycle, is that the same as doing one time 7 consecutive cycles?
Thanks for making this clearer... (obviously this is not very urgent, I'm just wondering)

And if I do 7 times a single cycle, is that the same as doing one time 7 consecutive cycles?
No. A single pass just writes zeroes. Do it seven times, and it writes zeros seven times. The multi-pass command uses different bit patterns for each pass. One pass is sufficient, though. A modern drive packs the bits so close together that recovery of any data after a singe overwrite of zeroes is very unlikely. If somebody is that determined to get your data, they will go after you, not the disc. Use the Dictionary widget to look up the second definition of "rendition".

Erase Free Disk Space

I erased free disk space on my computer. Now my disk is almost full. How can I get the space back free and clear?

Are you saying that erasing increased the volume of data on the disc ??
I suggest you grab a utility like WhatSize or DiscInventoryX and they will show you what files are using space and what can be deleted.

Error message need to free disk space-how do I do that?

I am getting an error message when I try to burn a dvd. "Not enough free disk space for encoding the remaining assets" How do I free the space?

By deleting or temporarily removing items (non system / not DVD related) from your HD.
Take a look here: http://support.apple.com/kb/HT1583
Regards.

Issue 2: Not enough free disk space

Well, now that I'm here, I will try to figure out all my problems.
Ignoring the fact that my MacBook won't turn on, once it goes back to normal, I hope I can solve another thing. Two or three times, while I've been working in heavey Word documents in my Macbook, a message box appears when I click on save or when it tries to do "Autorecovery". It says there's not enough free disk space for me to save that file. What I do every time is I select all, then copy and then quit word. I open it again, paste and save. Everything is fine, but I'd really like to know *** is wrong since I do have a lot of free disk space and this doesn't happen unless it's a heavy file in word. Should I get rid of some apps? Unused files? I don't have that many... I think my Macbook is acting weird since I've almost got nothing stored in it but files, pictures and songs. Any ideas on how to prevent this from happening again?

Get Info on your hard drive or open a finder window and see how much space is available on your drive - that's at the bottom. Music, pictures, movies use more disk space than most files. You might have enough space sometimes because various programs - like Safari - cache material and the caches can get large. Some caches empty themselves and others need to be emptied; you can empty the Safari cache from one of the menus.

Free disk space decreasing

since installing lion i have noticed a lost of free disk space on the build in harddrive even if i save as little as possible on it. i havea 1TB external hd....any ideas why??

You can also make use of inotify to see disk activities. Install inotify-tools, then run:
inotifywait -m -e modify -e create ~/
Monitor for a while, while the free disk space is descreasing.
If that didn't find anything, add --recursive to the command but it can take a while to set up. See the inotifywait(1) man page for details.
My guess is some log files too, e.g. ~/.xsession-errors.
Last edited by lolilolicon (2011-09-21 16:31:00)

Update download trouble: App Store says, in error, "-not enough free disk space"

I wonder if anyone can help me troubleshoot this... I am unable to download some updates as from the App Store, and instead get an error message that suggests I don't have enough free disk space despite there being over 100GB free.
More detail: after installing Mavericks successfully, I started updating a few applications. While downloading iMovie and iPhoto there was an error - can't recall what the pop-up said, but I think it was a fairly general kind of error message. When I then tried to download them again, the App Store gave me an error message about free disk space, so I deleted a bunch of files and tried again. Same result, same error message ("Your hard disk does not have enough free space"). I checked on free space, however, and at this point I had over 100GB of free space.
I tried deleting the com.apple.storeagent folder in my Library/Caches folder, then trying again. but it made no difference. I've restarted, repaired permissions, verified the disk, restarted again, and I'm still seeing the error.
One odd feature of this problem: in the App Store purchases tab (see screengrab below), the icons for both iMovie and iPhoto are missing/broken, which might just point the way to what is going wrong.
System details:
IMac 27", 2009
2.8GHz i7
12GB RAM
Running OS X 10.9
Couple of screengrabs to illustrate:

From the menu bar, select
 ▹ System Preferences ▹ Time Machine
If the padlock icon is closed, click it to unlock the settings and authenticate. Turn Time Machine OFF, then turn it backON and close the preference pane. Wait a few minutes, then try the operation again.

Free Disk space - burning dvd

Help! I have sucessfully created my iDVD project and want to burn to a DVD disk. When I click the "burn" button I get the following error, "Not enough free disk space for encoding the remaining assets - Multiplexer Preparation Error."
What am I doing wrong?
Thank you.

Hi Wendi:
That is usually an idvd4 problem...
http://docs.info.apple.com/article.html?artnum=93553
Sue

Safari could not download the file "Firefox 20.0.dmg" because there is not enough free disk space.

What does this error message mean. I have pleanty of free disk space - Safari could not download the file “Firefox 20.0.dmg” because there is not enough free disk space.

That misleading error message can be the result of moving a download while it's in progress. Right-click the download package and select Show Package Contents from the contextual menu. The file you downloaded may be in the folder that opens.

Free disk space recommendation

Hi,
I have a question about free disk space recommendation. My system now has <25% free space at ASP3, I can't see any problems until now, but I think that I can some troubles in the future depending on DB growth, it isn't?
Have you any tip about this? Are there any recommendation in IBM i5 redbooks?
Thank you!
Best Regards,
André Honma

Generally you do not want to go much higher than 70 to 80% utilization.
This is because the system may need the free space for system operations, temporary storage and to allow for spikes in storage that may occur when processing heavy workloads, such as temporary work space or for transient files, journal receivers, system logs and spool entries (QSPL as opposed to SAP's own spooling).
Certain systems functions, such as dedicated physical file reorganizations, have specific minimum requirements with respect to the need for free space.
At this point, you are at 75% utilization which puts you right in the middle of the range where you really want to examine what is going on.
Usually when you hit 90% or above you will start to get messages from the OS about high storage.
You can free up space in several ways.   Only keep journal receivers for as long as you need them.   Once they are detached and saved offline (tape/remote jounals etc) they can be deleted.   You need to have a strategy in place for this, however.   Our shop archives a full save on a weekly basis, and all journal receivers up to that point (with a small margin retained for visibility) are deleted.
In addition, we use Datamirror's High Availability product which scrapes the journal receivers to mirror the production system on a hot backup.   The receivers must remain on the system until they are replicated (this is also true for other High Availability products).   This is usually near real-time, but it can be an issue if you do not manage it properly. (Given our weekly archive strategy, this is not an overriding consideration for us, but it may be important for those with a different strategy.)
SAP uses the reuse deleted records feature of DB2, but sometimes excessive amounts of deleted records build up due to spikes, especially in files like VBDATA and related files, or after purging older transaction history or deleting old clients.   You can periodically reorganize physical files to reclaim deleted space.
You can also use RCLSTG (Reclaim storage) and RCLSPLSTG (Reclaim Spool Storage) to reclaim some temporary space.
However, RCLSTG should only be used if there is a specific need for it, as outlined in IBM's technical note: <a href="http://www-912.ibm.com/s_dir/slkbase.NSF/0/9373303619fb4b89862565c2007d4bcf?OpenDocument&ExpandSection=1">Overview of the RCLSTG Command</a>
Periodic IPLs will also reclaim space, including spool space as if RCLSPLSTG had been run..
If you have other libraries on your system, you can also see if they are being managed wisely using the same ideas as you would use for your SAP libraries.
Within SAP itself there are tools to manage tables that are within the scope of you various SIDs and clients.    When SAP purges data, however, it only does a soft delete via DB2 SQL, and a physical file reorg as noted above may be required to reclaim space at the OS level.
As the previous respondent noted, you should keep track of the growth of your system and then take whatever steps are necessary to bring storage down or increase storage.
You may also want to consider your storage strategy.   We had been using full mirroring, and we were able to increase our effective storage by going to RAID-5, and therefore put off the need to buy more disk for a time.
Good luck.
Brian
Message was edited by:
        Brian Sammond

How do I see how much free disk space I have?

I just upgraded my OS from Snow Lepeord to Mountain Lion. When I had the finder window open, it always told me at the bottom how many files and how much disk space was being used in that folder. Additionally, it told me how much free space I had on my hard drive. After the upgrade, it no longer does that. Did Apple get rid of this or is there an option I need to turn on? I looked around and couldn't find i

Well, you should see something like this:
If you don't then try this:
Repair the Hard Drive and Permissions - Lion
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu. Select Restart from the Apple menu.
If this doesn't work then reinstall:
Reinstalling Lion/Mountain Lion Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

Maverick free disk space activity monitor

Activity Monitor in 10.9 does not display free disk space any more. What was the idea behind that?

Additional question related to Actvity Monitor: In 10.9, was the capability to monitor the disk activity of an external disk also removed? I have had some problems with an external disk; the old activity monitor gave me some indication whether it was functioning normally or not. I also used the Activity Monitor to watch the disk activity during backups in the event of disruption of some kind; could be, for example, a loose FireWire cable. A third part app is ok, but I have the sense that useful capability has been removed. -j

Variable free disk space

Suddenly, the amount of free disk space is jumping between 26 gB and 0 gB. This happens periodically, with almost no programs running. I am getting the error message "Your hard disk is almost full" when this happens. iDisk sync is off. I tried repairing permission and DiskWarrior. I have had no problems since installing Mac OS 10.5..
Everything has been fine until today. I installed Airport Utility 5.3.1 update ?yesterday, but that is not likely the issue. Running Activity Monitor did not give me the answer.

Firstly, I confirm that in LV 8.6, we don't have this problem.
Secondly, let me explain what defragment is doing. For example, if you write data to a file for multiple times, you'll probably get TDMS file with multiple segments and headers, so that the .tdms_index file will quite large. What defragment does is to re-organize your data in the tdms file and you'll get only one segment/header and a tiny .tdms_index file.
So, after you writing the file and you can make up a VI, read the channels in the file and write the data into a new TDMS file, only one time's writing will not result in multiple segments, so the new written tdms file is well organized. If you can't write all channels altogether once to a TDMS file, you can write one channel by one channel, if there are not too many channels. Does this make sense?
I recommend you to do so if you want to write a 2.0 TDMS file and benefit from TDMS high speed streaming in LabVIEW 2009 and it's a workaround not to use defragment but also get a "defragemented" file. I'm afraid the fix would not go with 2009 SP1.

Time for Secure Empty Trash and Free Disk Space

Hi Forum,
Can anyone give me a guesstimate of how long secure empty trash would take or can take? I have 290 items and its been there for about an hour.
Also, if I choose to free disk space, how long approximately would this take? Is it worth doing this? I have 40gb "free" now.
Thanks.
S

it's not necessarily the number of files, but more the total size of all the files combined. But lets just say it dose take a while to do. you really only need to use secure empty trash on files of a sensitive nature. Such as financial information (credit card numbers, back information, social security numbers)
Also by spending all that time writing to the hard drive, over and over. Witch is what secure empty trash dose. your reducing the life span of your hard drive. Like car tires your hard drive is only good for so many miles.
I ones secure emptied trash on a GB worth of data. I remember it takings hours. I ones tried scrubbing a whole hard drive, after two days I stopped it because I didn't realize it was going to take so long. That being said it doesn't take too long to scrub a few files that are a few MB in size.

Windows SMB Clients getting not enough free disk space copying error

I have searched and read most of the related topics in the forums, but no one seems to have a solution to this issue.
I am running OS X Leopard Server 10.5.4 and have several clients connecting via VPN to access file sharing.
The Macs use L2TP for the VPN, Windows uses PPTP. Everyone can connect and see the files on the server.
The mac clients connect and share the same folders via AFP. They have no trouble copying files to the server.
The windows clients connect and share via SMB. They repeatedly get an error while trying to copy files to the server.
Here is the error message:
"Error Copying File or Folder
Cannot copy FileName: There is not enough free disk space.
Delete one or more files to free disk space, and then try again."
So we have tried different files, different folders, but no matter what we do the copying fails from windows to the server. The server has 570 GB free - Only 20 gigs used.
I have removed the acl permissions, added them back in via server admin, and still have the problem. Windows clients are running XP SP 2 and the macs are 10.5.3 and 10.5.4.
Does anyone have a solution? Should we roll back to 10.4 Server?

I have searched and read most of the related topics in the forums, but no one seems to have a solution to this issue.
I am running OS X Leopard Server 10.5.4 and have several clients connecting via VPN to access file sharing.
The Macs use L2TP for the VPN, Windows uses PPTP. Everyone can connect and see the files on the server.
The mac clients connect and share the same folders via AFP. They have no trouble copying files to the server.
The windows clients connect and share via SMB. They repeatedly get an error while trying to copy files to the server.
Here is the error message:
"Error Copying File or Folder
Cannot copy FileName: There is not enough free disk space.
Delete one or more files to free disk space, and then try again."
So we have tried different files, different folders, but no matter what we do the copying fails from windows to the server. The server has 570 GB free - Only 20 gigs used.
I have removed the acl permissions, added them back in via server admin, and still have the problem. Windows clients are running XP SP 2 and the macs are 10.5.3 and 10.5.4.
Does anyone have a solution? Should we roll back to 10.4 Server?

Erased free disk space what does it do thats diff from normal trash?

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