Doubt about Macrium image size


  1. Posts : 29
    Windows 10
       #1

    Doubt about Macrium image size


    Hi, I have Macrium free installed and I have made an image of my system disk. It has approximately 85 Gb occupied on 4 partitions. The copy is apparently correct. My doubt is that the image file size is only about 32 Gb. The compression level in the configuration is medium. Is it normal so much difference in size?
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  2. Posts : 25,026
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #2

    The compressed image is normally about half the size of the used data in the partition(s) that were image. 32GB sound a bit small for 85GB of used space, but not impossibly so.

    Are you sure all 4 partitions were included in the image? How did you start making the image? If you clicked 'Create an image of the partition(s) required to backup and restore Windows' then, for example, it would not include a separate Data partition that played no part in your Windows system but that may have files you'd want to include in the image. Likewise, a manufacturer's factory reset partition may not be included.


    The quickest way to find out what was included is to double-click on the .mrimg file. This will open the 'Backup Selection' window where you can select partition(s) to mount as a virtual drive. This window lists the used size and free space of each partition in the image. You don't need to select and mount any partitions, you can close the window after you've seen what they are.
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  3. Posts : 29
    Windows 10
    Thread Starter
       #3

    Bree said:
    The compressed image is normally about half the size of the used data in the partition(s) that were image. 32GB sound a bit small for 85GB of used space, but not impossibly so.

    Are you sure all 4 partitions were included in the image? How did you start making the image? If you clicked 'Create an image of the partition(s) required to backup and restore Windows' then, for example, it would not include a separate Data partition that played no part in your Windows system but that may have files you'd want to include in the image. Likewise, a manufacturer's factory reset partition may not be included.


    The quickest way to find out what was included is to double-click on the .mrimg file. This will open the 'Backup Selection' window where you can select partition(s) to mount as a virtual drive. This window lists the used size and free space of each partition in the image.

    Thanks!. Yes, all partitions was included. Could it be that the image does not make a copy of the page file and/or system restore folders? Both would be about 10-15 Gb in disk.
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  4. Posts : 25,026
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #4

    Macrium images made from within Windows do not include the page file (or the hiberfil.sys if present). The do include placeholders for them, but not the data they held. A 15GB page file could well explain why your image is apparently small compared to the used space on the drive.

    All the restore points are included in the image, these are in the hidden folder 'System Volume Information'. If you mount the image of the C: partition and tick the box for 'Enable access to restricted folders' you can see this for yourself.
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  5. Posts : 29
    Windows 10
    Thread Starter
       #5

    Bree said:
    Macrium images made from within Windows do not include the page file (or the hiberfil.sys if present). The do include placeholders for them, but not the data they held. A 15GB page file could well explain why your image is apparently small compared to the used space on the drive.

    All the restore points are included in the image, these are in the hidden folder 'System Volume Information'. If you mount the image of the C: partition and tick the box for 'Enable access to restricted folders' you can see this for yourself.
    Thanks again!. I have mount the image and 'system volume information' folder is present. But it is strange, It has only 17 mb and my system restore points are using about 10gb of space in original disk.
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  6. Posts : 25,026
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #6

    I usually delete all my system restore points before making an image. I'll do a test.....



    Edit: Yes @Pilovar, you are correct and I was mistaken. System restore points are not included in the Macrium image. Everything else, but not those. Here's the original C: drive in TreeSize Free and its Macrium image mounted as the F: drive.

    Doubt about Macrium image size-macrium-no-system-restore-points-saved-image.png
    Last edited by Bree; 09 Oct 2019 at 15:00. Reason: test results
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  7. Posts : 29
    Windows 10
    Thread Starter
       #7

    Thanks!
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  8. Posts : 2,310
    Windows 10
       #8

    My whole drive Image, default medium compression on the Laptop has always been roughly ~90% of the used size on the drive. The used size has varied from 150 GB to 500 GB over the years.

    Yours could be correct as temporary or some system areas are not included in an Image as has been mentioned.
    These would be a proportionally larger part on a system drive with only 85 GB.

    I just test from the Macrium rescue disk, looking at the mounted drive and extracting some sample files.
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  9. Posts : 13,669
    Windows10
       #9

    Bree said:
    I usually delete all my system restore points before making an image. I'll do a test.....



    Edit: Yes @Pilovar, you are correct and I was mistaken. System restore points are not included in the Macrium image. Everything else, but not those. Here's the original C: drive in TreeSize Free and its Macrium image mounted as the F: drive.

    Doubt about Macrium image size-macrium-no-system-restore-points-saved-image.png
    I do not bother with restore points anymore as they never worked that well anyway. Macrium Restores just work every time. I store data on a different drive to C drive.
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