Missing Storage, where's it gone?

Discussion in 'MacBook' started by snerkler, Aug 23, 2015.

  1. snerkler, Aug 23, 2015
    Last edited: Aug 23, 2015

    snerkler macrumors 6502a

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    Feb 14, 2012
    #1
    I've started getting warnings that my start up disk is nearly full, but I've not really added a great deal and last time I looked I had over 120GB free. I have a 1TB SSD and just checked both user accounts and they equate to roughly 680GB used, so where's the rest of my storage gone? I appreciate the OS uses some, but not 330GB :confused: I've emptied both trashes (Have 2 user accounts) and now have 21GB free.

    I've just used Omnidisk sweeper and here's the results, showing 680GB used.
    [​IMG]

    Here's a screenshot of my hard drive usage, which shows that it still has 1TB capacity so it's not lost storage capacity.
    [​IMG]


    Any help/advice appreciated.
     
  2. throAU macrumors 601

    throAU

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    #2
    It may be time machine local backups.

    Do you back up to an external location, and how long has it been? If you haven't connected to your time machine disk, "local" backups of stuff will accumulate. They will be deleted if needed to free space. They'll also be removed once they are copied to your time machine disk.

    What does about this mac show under storage?
     
  3. snerkler, Aug 23, 2015
    Last edited: Aug 23, 2015

    snerkler thread starter macrumors 6502a

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    #3
    Thanks, last time machine was done about two days ago but running this again as I type to see if it frees some space up. Here's my storage, there's a lot of data being used as other :eek:

    [​IMG]
     
  4. snerkler thread starter macrumors 6502a

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    #4
    OK, so running time machine didn't make any difference, although I do have 2 TM drives/backups and the second one is at work and not done for 1 week. Don't know if that will make much difference? I am interested to know what's taking up so much data in "other" though? I'm considering doing a full reinstall of OS yosemite and seeing if that frees up some of the "other" storage, although I might wait for El Capitan and do a fresh install of that. I've been thinking about doing it a while as I've not done a fresh install since Mountain Lion.
     
  5. throAU macrumors 601

    throAU

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    #5
    Do you do iDevice backups to your mac, how many and what size are they?
     
  6. chabig macrumors 68040

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  7. Weaselboy Moderator

    Weaselboy

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    #7
    Just ignore that storage graphic Other readout. It is notoriously screwed up in Yosemite.

    Run the command below in Terminal and post up the results. It will show space used in the base folders in GB, including hidden folders like the one used for Time Machine's local snapshots. This hidden space is not shown in OmniDiskSweeper.

    Code:
    sudo du -d 1 -x -c -g /
    Backing up to Time Machine does not remove the local snapshots. They will stay there until the disk approaches 80% full, at which time the OS will start to remove them.
     
  8. Queen6 macrumors 603

    Queen6

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    #8
    Personally I turned off local backups, as I don't use TM and therefore don't see the point of needlessly writing to the SSD`s

    Q-6
     
  9. snerkler thread starter macrumors 6502a

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    #9
    Yes I do, but don't know and don't know. Where do I find this info?
     
  10. snerkler thread starter macrumors 6502a

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    #10
    I'm not on the MB at the mo so can't do the terminal command, will post results later. How do I turn off TM local back ups and where do I find the stored ones?
     
  11. Queen6 macrumors 603

    Queen6

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    #11
    From Terminal;

    Turn off local backups - sudo tmutil disable local

    Enable local back ups - sudo tmutil enable local

    Your admin password will likely be required. Once you issue the Cmd all local backups will be deleted. So remember, if you disable this feature you will not have local backups anymore, so if something goes wrong you will be out of luck.

    Q-6
     
  12. Weaselboy Moderator

    Weaselboy

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    #12
    I would hold off on turning off local snapshots until we see from that Terminal command if that is the problem. One of the folders that command will show space used for is the hidden /.MobileBackups folder where the snapshots are stored.

    You can zero out the local backups space by just turning Time Machine off then back on if you want.

    If you do want to turn off local snapshots entirely, although no real need to IMO, you can run the command below in Terminal.

    Code:
    sudo tmutil disablelocal
     
  13. Weaselboy Moderator

    Weaselboy

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    #13
    Triple click the line below to select then right click and in the Services menu and select Reveal in Finder.

    Code:
    ~/Library/Application Support/MobileSync/Backup/
     
  14. snerkler thread starter macrumors 6502a

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    #14
    OK so in mobile backups are 4 folders, totalling 13GB (didn't triple click the link but I know how to access library via the go menu)
     
  15. snerkler thread starter macrumors 6502a

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    #15
    I don't really want to turn off anything unless I know what they are. Are local snapshots the same as saying TM local backups?
     
  16. snerkler thread starter macrumors 6502a

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    #16
    This is the result from the terminal command

    [​IMG]


    Do I need to do anything with terminal now, or can I just close it again?
     
  17. Weaselboy Moderator

    Weaselboy

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    #17
    You need to wait a minute for the command to finish running. In your screenshot it is still scanning the folders and not done. Once the command is complete and you have pasted the result in here, you can just quit Terminal.

    Yes... same thing. I agree there is no need to disable this feature.
     
  18. Weaselboy Moderator

    Weaselboy

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    #18
    Open iTunes and in Preferences in the Device tab there will be one backup there for each iOS device you have backed up. You can delete form that list any devices you no longer have to save a little space, but obviously you have something larger going on here.
     
  19. snerkler thread starter macrumors 6502a

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    #19
    D'Oh, didn't realise that. Guessing it's finished now

    [​IMG]
     
  20. Weaselboy Moderator

    Weaselboy

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    #20
    Does 613GB sound about right for your personal data in Users?

    You have something odd going on there in /System at 246GB. Normally that is around 10GB. Run the command below to drill down in that folder a little to see what is going on.

    Code:
    sudo du -d 1 -x -c -g /System
    You can keep drilling down by changing up the path at the end of the command there. For example you could change it to /System/Fonts if the first command shows that is where the problem is.

    It looks like you have Time Machine turned off, because I don't see a /.MobileBackups folder there at all?
     
  21. Queen6 macrumors 603

    Queen6

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    #21
    Is unusual as system is reporting 246GB and Omnidisk Sweeper reporting 4.3, as per Weaselboy`s post should generally be sub 10Gb, will be interesting to see what develops.

    Q-6
     
  22. snerkler thread starter macrumors 6502a

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    #22
    I have TM set to manual back up. As per my first post I can account for 680GB, but that leaves 320GB that I can't account for (except whatever the OS uses)

    So going through what you said about typing the different commands I followed the path in system to Caches and found this. Any idea what this is taking up 242GB?

    [​IMG]
     
  23. Weaselboy Moderator

    Weaselboy

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    #23
    See my old post here on this same issue and how to delete the cache files.

    Aside from this large folder, I don't see any others that look off from normal. Assuming the Users space is in line with what you have in personal data on there.
     
  24. Weaselboy Moderator

    Weaselboy

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    #24
    Omni and other utilities like that run in the User space and can't see those hidden system files. That's why I prefer using Terminal to pin these issues down.

    You can actually run Omni as sudo with this line and it will show those hidden system files and folders. I just find it easier over the forums to ask users to copy/paste the text from Terminal.

    Code:
    sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
     
  25. Queen6 macrumors 603

    Queen6

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    #25
    I run Omni etc. from sudo as it tends to speed things up, equally describing via text, Terminal I agree is far easier

    Q-6
     

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