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O/S Deployment Thread, Optiplex 980 Slowness in Technical; Hi, We have been using fog server for 2 years without any major issues and have found it to be ...
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    Optiplex 980 Slowness

    Hi,

    We have been using fog server for 2 years without any major issues and have found it to be extremely impressive for an open source program. We've now got a new batch of Dell Optiplex 980 machines which are a lot slower than our other PCs to image. The speed when deploying an image is about 80MiB/min and it takes about 3 hours to send a 15GB image down when it normally takes 20mins. Also when imaging 1 of these machines the PXE boot on other machines (Optiplex 980's and other models) is extremely slow and this affects the boot up time of them. If I pause/end the deployment then the PXE boot speed goes back to normal again.

    I'm not an expert on fog or ubuntu so if anyone has any ideas what i could do to fix this issue it would be most appreciated.

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    Might be worth trying a different kernel for the 980's, if you haven't already tried.

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    What connection speed are you connecting to your image server at?

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    Quote Originally Posted by MatthewL View Post
    What connection speed are you connecting to your image server at?
    Just had a look at the switch and the PC's 1Gig nic is running at 10Mb/s (100Mb/s switch port) and the FOG server is 1Gb/s. That explains the slow imaging but why should that affect other machines when booting and going through the PXE boot process?

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    it wouldnt most of the time the slowness is caused by the wrong kernel on the fog server

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    Hi Modus,

    How do you update the kernel?

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    click on the infomation button then on the left click on the kernel updates link. then you should see a list of kernels that you download into fog, see this site to find out what kernel to use WorkingDevices - FOGProject Wiki

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