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FOG 1.5.2 Image Capture Lags

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  • J
    Joe Gill
    last edited by May 18, 2018, 1:54 PM

    FOG Server Version 1.5.2
    FOG Server: Debian 9.4

    Hi all,

    It’s that time of year again! Summer season is about here in our district and I’m getting ready to image for the season. I recently updated to FOG ver 1.5.2. I have noticed that the basic image capture task (partclone) seems slower and with lag, in comparison to older versions.

    I have had two image capture tasks that lag to the point of no return. I had one yesterday that was stuck on the same spot for 2 hours, after I discovered it hadn’t finished. I finally killed the task and restarted the session. Things picked back up and captured like normal.

    These tasks have all been when I have been imaging Windows 10 images from a Hyper-V VM.

    Let me know if their are any log files you’d like and I’ll post.

    Thanks for everything!

    Cheers,

    Joe

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    • J
      Joe Gill
      last edited by Joe Gill May 18, 2018, 8:04 AM May 18, 2018, 1:59 PM

      One more observation…

      On the host…

      Every time this happens, the Elapsed Time, Remaining Time and Rate are running. The Current Block never changes nor does the Total Block.

      The host is configured with a legacy network card (VM)…

      Cheers!

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      • Q
        Quazz Moderator
        last edited by May 18, 2018, 3:53 PM

        At a guess, I would say it loses connection with the FOG server at some point.

        J 2 Replies Last reply May 18, 2018, 3:58 PM Reply Quote 0
        • J
          Joe Gill @Quazz
          last edited by May 18, 2018, 3:58 PM

          @quazz
          The funny thing is that they are both hosted on the same VM… I don’t know what is going on. I tried rebooting my FOG server and the Windows 10 VM I"m trying to image and it’s still not getting anywhere. I noticed that the Rate went as low as 50 megs… Normally my rates are up over a gig / min.

          I’ll dig deeper from the network perspective and see what happens. It’s bizarre.

          Thank you for your advice!

          Q 1 Reply Last reply May 18, 2018, 4:01 PM Reply Quote 0
          • J
            Joe Gill @Quazz
            last edited by May 18, 2018, 4:01 PM

            @quazz

            Another interesting observation is that Deploying existing images seems to go fast without issue. It’s just when I try to capture new images. I will test a capture from a different device and see what happens.

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            • Q
              Quazz Moderator @Joe Gill
              last edited by May 18, 2018, 4:01 PM

              @joe-gill The rate is just calculated based on the amount of data sent divided by the time spent sending it. Given that it doesn’t continue at a certain point we’d expect the rate to drop indefinitely.

              J 1 Reply Last reply May 18, 2018, 7:06 PM Reply Quote 0
              • J
                Joe Gill @Quazz
                last edited by May 18, 2018, 7:06 PM

                @quazz

                So I tried re-capturing the image from my VM and it finally finished but took forever. I left a ping running on the host and the server and never had any lost packets. I had some higher ping times going to the VM were average with one very high number. But never any packet loss.

                I decided to try and capture the image to a brand new image and not one I had used previously. I noticed my transfer rate was higher and it ultimately finished capturing the image.

                Could the delay simply be the difference between imaging a Windows 10 machine versus a Windows 7 Machine? This is the first image I have created of a Windows 10 machine.

                Let me know if you have any thoughts on this.

                Thanks again for making me think more about it. 🙂

                Cheers!

                1 Reply Last reply Reply Quote 0
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