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Erasing current MBR/GPT tables.... taking about 5-10 minutes

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  • B
    benc
    last edited by Oct 4, 2018, 11:41 PM

    Please forgive my ignorance, but could someone point me to a guide on how to change kernels? I’m pretty sure I understand at least at a basic level what the kernel is and what it does, but I’ve never done this before and the googling I’ve done on installing new kernels has only confused me. In my case the step where FOG erases the MBR/GPT tables is taking 6+ minutes which is longer than the actual imaging process takes. As soon as I get past this current batch of laptops that must be imaged ASAP, I’ll be starting from scratch with a new hard drive in one of my fog servers and probably starting with Ubuntu Server 14 and not going any higher. So far, in my experience, upgrading one thing breaks other things and it just snowballs from there. Sorry for the long post but this has been a very difficult day.

    G 1 Reply Last reply Oct 5, 2018, 12:19 AM Reply Quote 0
    • G
      george1421 Moderator @benc
      last edited by Oct 5, 2018, 12:19 AM

      @benc Its under fog settings -> kernels. Roll back your current kernel to 4.15.2 until the developers can get the issues with the current linux releases sorted out. You will need both the 64 bit and 32 bit kernels when you download them.

      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!

      B 1 Reply Last reply Oct 5, 2018, 3:23 PM Reply Quote 0
      • B
        benc @george1421
        last edited by Oct 5, 2018, 3:23 PM

        @george1421 Thanks, I will give that a try later today.

        1 Reply Last reply Reply Quote 0
        • A
          andreiv
          last edited by Oct 8, 2018, 6:28 AM

          This issue is still there in 1.5.4. It isn’t a real problem as much as it is an annoyance.

          Q 1 Reply Last reply Oct 8, 2018, 9:58 AM Reply Quote 0
          • Q
            Quazz Moderator @andreiv
            last edited by Oct 8, 2018, 9:58 AM

            @andreiv Use kernel 4.15.2 for now.

            A lot of work has gone into tracking down the source of the problem, which we believe we have found. Now it’s just a matter of formulating a fix for it and getting it pushed.

            People are quite busy though, so unsure when that’s going to be, but it is being worked on still.

            A 1 Reply Last reply Oct 8, 2018, 10:03 AM Reply Quote 0
            • A
              andreiv @Quazz
              last edited by Oct 8, 2018, 10:03 AM

              @Quazz Sure, I understand. Thanks for the solution. I replaced the kernel and it works perfectly.

              1 Reply Last reply Reply Quote 0
              • S
                Sebastian Roth Moderator
                last edited by Oct 13, 2018, 7:06 AM

                @Lemeunier @andreiv @benc @matijn @dbettens @MCSDFog @JGallo @jclumbo33 @luco60 Good news to all of you, we have figured out what is causing the slowness and fixed it. It’s been a longer story [ref] - thanks again to @Quazz for doing lots of testing and finding very helpful stuff to figure this out!

                As we have not had enough time to push for a new release yet you can simply update to the latest kernel and inits like this:

                sudo -i
                cd /var/www/fog/service/ipxe
                mv bzImage bzImage.orig
                wget https://fogproject.org/kernels/bzImage
                mv bzImage32 bzImage32.orig
                wget https://fogproject.org/kernels/bzImage32
                mv init.xz init.xz.orig
                wget https://fogproject.org/inits/init.xz
                mv init_32.xz init_32.xz.orig
                wget https://fogproject.org/inits/init_32.xz
                

                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

                F 1 Reply Last reply Mar 14, 2019, 1:22 PM Reply Quote 0
                • F
                  Foglalt @Sebastian Roth
                  last edited by Mar 14, 2019, 1:22 PM

                  @Sebastian-Roth Hi! I am aware that it is an old post above mine, i was just curious if the state of this issue was finally “merged into patches”. I mean that i used the kernel of it since this post, and I somehow missed the mention of it in a later release.

                  Well, I wanted to know if the current release (1.5.5) contains the proper kernel, or should i use the one i already have downloaded.

                  Q 1 Reply Last reply Mar 14, 2019, 2:07 PM Reply Quote 0
                  • Q
                    Quazz Moderator @Foglalt
                    last edited by Quazz Mar 14, 2019, 8:09 AM Mar 14, 2019, 2:07 PM

                    @Foglalt It’s slated for 1.5.6 I believe, but you can manually download them for the time being.

                    It’s just the init files you need I think.

                    F 1 Reply Last reply Mar 14, 2019, 3:41 PM Reply Quote 0
                    • F
                      Foglalt @Quazz
                      last edited by Mar 14, 2019, 3:41 PM

                      @Quazz ok, then i keep my already downloaded kernels/inits, and wait for next release for further tests.

                      1 Reply Last reply Reply Quote 0
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