Acronis "device" listed in Device Manager

Discussion in 'Acronis True Image Product Line' started by Tabvla, Aug 31, 2006.

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  1. Tabvla

    Tabvla Registered Member

    Apr 21, 2006
    London, England
    If you go to Computer Management > Device Manager, you will see an item listed under Acronis Devices "Acronis True Image Backup Archive Explorer". (See attachment).

    Does anyone know the thinking behind why Acronis decided to install this functionality as a "Device" ?


    Attached Files:

  2. Allen L.

    Allen L. Registered Member

    Sep 1, 2004
    I wondered that same question before. Anyone know?

    Allen o_O
  3. seekforever

    seekforever Registered Member

    Oct 31, 2005
    I also have wondered and the only thing I can think of (alright, an outright guess), is that the archive is mounted as if it were a disk volume and this probably makes it easier to handle. I believe Drive Image just opened the archive as a file but let you access the folder and file structure.

    If this is the case, then what is the reason that mounting the archive as a disk is better than treating it like a container file?

    Seems there are only questions!
  4. foghorne

    foghorne Registered Member

    Sep 27, 2005
    Leeds, Great Britain
    Perhaps because it reflects the fact that they have had to implement an NT device driver ?

  5. Tabvla

    Tabvla Registered Member

    Apr 21, 2006
    London, England
    Some interesting thoughts.... ;)

    In Windows, Microsoft's thinking behind establishing a "device" is that it can be either a real physical entity, such as a graphics card, or a virtual entity that performs a function that mimics a physical entity.

    Seekforever posted the thought ....
    If that is the case, then it makes sense because the "virtual" disk mimics a real physical entity and therefore qualifies for the status of "device". If that is not the case then the question remains open.

  6. bottom

    bottom Registered Member

    Aug 10, 2006
    > If this is the case, then what is the reason that mounting the archive as a disk
    > is better than treating it like a container file?

    it makes things MUCH MUCH easier for the developer:
    you usually access a (virtual) device by requesting
    chunks of data from it.
    this is a very simple and general approach,
    and as soon as you received the (totally abstract amount of) data
    the device has done its job.
    so it's now up to you / the requesting application (e.g. the windows explorer)
    to handle (check, (re)format, display, save, copy,...) the data correctly

    programming a complete new set of methods
    to access "acronis -true-image-archive"-containers
    would be MUCH more work
    and would require a standalone application
    (or some kind of windows explorer plugin/extension)

    imho the possibility to mount an image is a really nice feature,
    that intergrates well into any os
    - currently images cannot be altered (content stays the same, no true write access)
    - regarding dvd-r(w) and usb problems a repair function for archives is missing

    a file & folder backup archive cannot be mounted
    and thus will be treated as a simple container ...
    although it's not possible to browse its content without restoring it !

    Last edited: Sep 1, 2006
  7. Acronis Support

    Acronis Support Acronis Support Staff

    Apr 28, 2004
    Hello Tabvla and everyone interested,

    Thank you for choosing Acronis Disk Backup Software.

    Please accept our sincere apologies for the delay with the response.

    Tabvla, seekforever and bottom, your assumptions are quite correct. We've decided to implement Acronis True Image Backup Archive Explorer as an additional virtual device because it is the easiest and what's more important most reliable way of emulating the real hard drive. Such approach allows user to treat the mounted image in the same way as if it was the real drive with only a few limitations.

    We will probably implement such capabilities in the future Acronis True Image versions. I'm afraid that the exact time frame for this is not decided yet.

    Actually, one can browse the contents of a file-based backup, though in a slightly different way: start the Data Recovery wizard, choose the appropriate file-based backup and proceed to the step where wizard asks you for what files you want to restore. You'll see all the files included into this particular file-based backup and will be able to browse the folders. None of these files\folders will be restored until you press the Proceed button. Of course, one cannot copy files using Windows Explorer, open documents, etc. when browsing the file-based backup in such a way.

    The fully functional capability of browsing the file-based backups will most likely be implemented in the future Acronis True Image versions.

    If you have any further questions concerning Acronis software, please feel free to submit a request for technical support or post any of them on this forum. We will certainly try to help you in resolving any issues.

    Thank you.
    Alexey Popov
    Last edited: Sep 22, 2006
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