SSD is very slowly filling up its free space, and I have exhausted all my options

Discussion in '2015+ Alienware 13 / 15 / 17' started by tom_mai78101, Dec 14, 2018.

  1. tom_mai78101

    tom_mai78101 Notebook Consultant

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    This is a brand new 1 week old Alienware 15 R4 with dual drives, an SSD boot drive, and a 1TB hard drive for backups and storage.

    Using C:\ to refer to the SSD, and the D:\ to refer to the 1TB hard drive, out of the box, I have checked and made sure that my Alienware 15 R4:
    • Has no System Restores turned on.
    • Has TRIM enabled in Windows 10 OS.
    • Has moved all User Folders to the D:\ drive (Documents, Videos, Music, etc.).
    • Has changed Profile Path and Home Path to the D:\ on my user account via the Local Users Management service.
    • Have remapped the PATHs in the System Environment Variables.
    And there were some information I found online that is a bit conflicting:
    • Hiberation mode in Windows 10 is turned off via:
      Code:
      powercfg -h off
      , but they say Windows 10 knows you are using SSDs, so they have a system in the OS that would automatically turn off the Hiberation mode for SSDs.
    • Storage Sense in Windows 10 Creator's Update is turned off. I don't know if I should turn this on, because this is a pretty new feature in Windows 10. And there aren't a ton of information about this for SSDs.
    • I have a newer article that mentioned how Windows 10 is built up to support SSDs without any hitches, and this goes against other known SSD overprovisioning articles in the past.
    • Moved pagefile to secondary drive. Optionally left maximum of 4GB pagefile on the SSD.

    But after doing all of these things, and not touching some of the default settings, I still see my SSD boot drive is slowly creeping up, and take a few 2MB per second of capacity with them. In other words, I'm really slowly losing my SSD boot drive free space capacity.

    What else do I need to do to prevent this "creeping" from taking up my SSD?

    Thanks.
     
    Last edited: Dec 20, 2018
  2. cruisin5268d

    cruisin5268d Notebook Evangelist

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    I feel safe in saying there is absolutely nothing that is slowly eating up your drive space other than your own actions, downloads, Windows updates, and so on.


    How big is your OS drive.


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  3. cruisin5268d

    cruisin5268d Notebook Evangelist

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    I know I’m going to regret asking....but where are you getting this view that “2MB a second are creeping your drive”


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  4. tom_mai78101

    tom_mai78101 Notebook Consultant

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    128GB SSD, the smallest SSD you can get in an Alienware 15 R4.

    I took into account that Windows Update will slowly decrease its free space, but when there were no updates happening, it would be weird to say it is caused by Windows Update.

    The only thing I downloaded and installed on the SSD is Visual Studio 2017. Everything else is installed on the D:\ drive, and I took precautions to set the installation folders to be on the D:\ drive.

    There is one thing I have in mind, and that is the use of Microsoft Edge, Known to be a UWP app, I'm thinking it might have been loading temporary internet files onto the C drive without me being able to do anything about it.

    Right click on the SSD to bring up the context menu. Then select Properties, to see the full capacity being used in bytes. Every second or 2, I close and reopen the Properties, then try to remember the first 6 digits from the right. It is as close to 1 or 2 MB, at a steady pace, increasing the Used Space and decreasing the Free Space.
     
  5. cruisin5268d

    cruisin5268d Notebook Evangelist

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    .

    Based on your information your system is apparently losing 3.6-7.2GB am hour. In other words your drive would be full in just about half a day. Call me crazy but I doubt that is what is happening. And that certainly isn’t sustainable.

    1-2MB/sec = 60-120 MB/mi = 3.6-7.2GB/hr

    You didn’t mention what is supposedly using up all that space but again it’s not sustainable and you drive would be totally out of space at this point.

    You failed to properly size your OS drive for your usage. As a Windows Server Engineer 100GB is the base size we use for an OS drive. Any additional programs that will be installed on thr OS drive are added to that total and the minimum drive size is increased accordingly.

    I can’t imagine buying a tiny 128GB OS drive for a home computer in 2018. That’s simply way too small unless thr ONLY thing you put on it is Windows and out all other programs and user profile directories on the secondary drive.

    Anyways the space being used by the OS has minor fluctuations. That is what you are seeing. I have never seen Windows 10 magically suck up that space. The only thing remotely close to that I’ve seen is on windows server with audit logging enabled.


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  6. cruisin5268d

    cruisin5268d Notebook Evangelist

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    By the way,

    My new 17r5 came from the factory with roughly 50GB used on the OS drive. MS documentation states Visual Studio requires 25-50 GB of free space.

    So, on your computer you’ve basically already used up that tiny 128GB drive.


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  7. tom_mai78101

    tom_mai78101 Notebook Consultant

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    No, I only had 6GB installed for Visual Studio, and it goes above 13GB if it's split into 2 drives. You cannot move shared components out from the primary drive, due to system components taking up the majority of the shared components required by other software.

    So I left it on the primary drive because of the additional file size requirements.

    I removed about 40GB worth of stuffs for Visual Studio prior to the installation, as those are the things I do not need.


    My SSD still has 44.8GiB left of free space, out of the maximum 108GiB of free space.
     
    Last edited: Dec 14, 2018
  8. rinneh

    rinneh Notebook Prophet

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    Stuff like gpu shader cache becomes bigger depending on the amount of games you have installed etc.
     
  9. Muezick

    Muezick Notebook Consultant

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  10. cruisin5268d

    cruisin5268d Notebook Evangelist

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    Well this confirms that there’s no special gremlins eating up free space.




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