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Deploying too fast?

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FOG Problems
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  • M
    Matt.Collins
    last edited by Jul 5, 2012, 5:17 PM

    Hello All,

    I’m having a problem with my FOG server. What appears to be happening is the FOG server is pushing the image at speeds that claim 6.75 GiB/min and will get to 1% and the deployment will freeze. I can successfully image computers using the multicast function but I cannot image doing Unicast. I’ve tried this on multiple models of computers - HP Probook 4520, HP DC7800, HP DC7900, as well as different images - all of which have the same results.

    I’m not even sure if the speed is what is causing the problem, it just seems very fast (too fast). I’ve tried swapping different kernals around and none of which have solved the problem.

    I’m using version .32 and I’ve set up multiple fog servers in different districts and never have I seen this issue.

    Any help or guidance would be greatly appreciated.

    Thanks.

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    • M
      Matt.Collins
      last edited by Jul 6, 2012, 12:07 PM

      Update
      I’ve also tried reverting back to .29 version of FOG with no luck. It really boggles my mind on how UDPCAST works but NSF doesn’t.

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      • B
        BryceZ
        last edited by Jul 6, 2012, 12:19 PM

        Out of curiosity, what happens when you upload a new image?

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        • M
          Matt.Collins
          last edited by Jul 6, 2012, 1:32 PM

          I can upload an image without a problem.

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          • B
            BryceZ
            last edited by Jul 6, 2012, 1:39 PM

            How fast does the upload transfer?

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            • M
              Matt.Collins
              last edited by Jul 6, 2012, 1:40 PM

              Steady 650 MiB/Min

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              • B
                BryceZ
                last edited by Jul 6, 2012, 1:46 PM

                What about pulling down one of your images over NFS “normally”? As in mounting the server drive and grabbing a copy of the image from a desktop. How fast does that transfer?

                I’m just trying to narrow this down to specific conditions that could cause this type of issue. If you’re able to upload the image at a more reasonable rate then it’s not all NFS transfers, and if you’re able to grab the image over NFS from something other than the FOG boot image then it’s not the FOG server, which means it’s something to do with the boot image.

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                • M
                  Matt.Collins
                  last edited by Jul 6, 2012, 1:56 PM

                  I’m not familiar with manually pulling down an image. Is there a guide to this that I can test this out?

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                  • B
                    BryceZ
                    last edited by Jul 6, 2012, 2:05 PM

                    If you have a Windows machine on the network, pull up an explorer window and go to \<ip address of FOG server>\images.
                    If you have a Linux machine on the network, pull up a terminal and type…
                    [CODE]sudo mkdir /mnt/images/
                    sudo mount -o nolock <ip address of FOG server>:/images /mnt/images[/CODE]
                    Then just browse to an image file and try to copy it locally.

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                    • M
                      Matt.Collins
                      last edited by Jul 13, 2012, 1:26 PM

                      Update
                      It would appear that this issue is hit or miss on the same as well as different models of machines. Just now, I was attempting to deploy an image and it’s freezing at 1% still and claiming to be pushing at 7 GiB. I decided to plug the machine into a 10/100 switch and the same image and the machine that I was having problems with is now deploying fine. Is there anyways to throttle the speeds coming from the server?

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                      • C
                        chad-bisd Moderator
                        last edited by Jul 13, 2012, 1:44 PM

                        sounds like you have a conflicting configuration with your original switch. Jumbo Packets, duplex mode, or something wonky?


                        If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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                        • M
                          Matt.Collins
                          last edited by Jul 13, 2012, 1:47 PM

                          Hmm, I’ll have to take a look. We orinally had our FOG server installed on a standalone 4 GB 2.3 GHZ box with a single 10/100 card installed and it was working fine. I recently got my hands on a pretty hefty server to use instead with quad nics, of which I still am only using 1 nic as I don’t see it making a huge difference by bridging these and using all 4. I’m not too familiar with configuring the switches, but what would be the ideal situation for FOG to work?

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                          • K
                            Kylejb007
                            last edited by Jul 13, 2012, 2:40 PM

                            Thanks Matt for Redirecting us here, The person that started the thread put it in Developers and I didnt realise it wasnt Technical Support (Used the search feature for once).

                            Chad, See this Thread: [url]http://fogproject.org/forum/threads/deploy-stops-at-just-over-a-hundred-mb.967/#post-4770[/url]
                            It has a Video of exactly the issue I am having and what it sounds like Matt and Joseph are having… Except mine doesnt seem like its TOO fast, it just instantly stops for me at 65.20MB. It starts at a Normal Speed for our Network of 1.4GB per Minute then BAM, it stops.

                            Also per reading a different thread, I am able to Put that single host into a Group and do a Multicast to it… REALLY strange…

                            I am running:
                            Distributor ID: Ubuntu
                            Description: Ubuntu 11.10
                            Release: 11.10
                            Codename: oneiric

                            Fog .32, and the kernel that came with the .32 Installer.

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                            • S
                              StEdmunds
                              last edited by Oct 29, 2012, 11:01 AM

                              Hi,

                              Was a solution ever found for this? We have the exact same error (When deploying an image it stops after a few seconds). Sending images from the workstation to the server are fine, as are all other tasks.

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                              • K
                                Kylejb007
                                last edited by Oct 29, 2012, 12:06 PM

                                In my case whenever I have a problem I try a different Kernel. I was using not the Kernel that came with Fog but the one after it. (just before 3.3.3 (3.2.4). I updated to 3.3.3 and that resolved my issue.

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                                • M
                                  Matt.Collins
                                  last edited by Oct 29, 2012, 3:19 PM

                                  I decided to try a few different kernels until I found one that worked. I’ve now set up my FOG with a different kernel for each machine type that I have after testing out which works best.

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                                  • S
                                    selfcommander
                                    last edited by Dec 18, 2012, 7:22 PM

                                    I tried different kernels but it didn’t work. When booting from liveCD and pulling image from the server via NFS there is a spike of 1 Gbps transfer for like 10 seconds and then 0 after that. I found out that if on a managed switch i set the port through which it is deploying to 100 Mbps instead of AUTO then it goes through without getting stuck. Also, wiki claims that it can be done from a server by “ethtool -s eth0 speed 100 duplex half autoneg off”

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