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    Fog Upload Weird Issue

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    • Chris WhiteleyC
      Chris Whiteley
      last edited by

      Hey All,

      I am curious if anyone has run into this problem other than me… I have a fog server running on Ubuntu 12.04 LTS Server Edition on VSphere 5 Virtual Machine and I have a speed issue with uploading. When the upload first starts, it is blazing fast at about 1.74 Gb/Min and then after 38 seconds it just stops for 44 seconds, then starts again blazing fast for another 38 seconds and repeats this until the upload is done. Is there a reason why it would do this? It has been with both partimage and partclone.

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      • Tom ElliottT
        Tom Elliott
        last edited by

        Usually, this is a networking problem. Does your VM have SSD on it? SSD’s work by “caching” the data until the buffer is full, once the buffer is full, it stop’s receiving data so it can write the information onto the disk. This may account for some of your “pauses”.

        Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

        Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

        Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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        • Chris WhiteleyC
          Chris Whiteley
          last edited by

          We have the three VM hosts setup through 8GB Fiber Channel to a SAN chassis that has 600GB 15K SAS drives in it and that’s where the storage is

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          • Tom ElliottT
            Tom Elliott
            last edited by

            Then it’s quite possible you’re seeing the “breaking” point of the hard drives. They can’t keep up with writing the data to disk.

            Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

            Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

            Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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            • Chris WhiteleyC
              Chris Whiteley
              last edited by

              Ok, because the actual downloading of the image to the computers don’t lag whatsoever, so that’s why I was curious why the upload did it.

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              • Tom ElliottT
                Tom Elliott
                last edited by

                I don’t know the exact nature. It may not be a cap persay, but more possibly that the System’s CPU/RAM is waiting? I don’t know. You could try adding more CPU’s/RAM to the VM? I don’t know what else to give.

                Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

                Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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                • Chris WhiteleyC
                  Chris Whiteley
                  last edited by

                  Thank you Tom, I will try and do that and see if I can get it by adding more CPU’s and more Memory.

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