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Failure in Capturing an image

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  • I
    ismith.hpu @Tom Elliott
    last edited by Nov 19, 2019, 7:17 PM

    @Tom-Elliott

    Yes, it’s a Mac.

    The Mac will deploy an image fine (dd, raw, everything).

    But capturing an image (dd, raw, everything) does not work.

    1 Reply Last reply Reply Quote 0
    • I
      ismith.hpu @Tom Elliott
      last edited by Nov 19, 2019, 7:28 PM

      @Tom-Elliott
      https://github.com/Thomas-Tsai/partclone/blob/master/src/partclone.c
      -aX --checksum-mode=X Checksum formula to use to add error detection\n"
      " where X:\n"
      " 0: No checksum (no slowdown, smallest image)\n"
      " 1: CRC32 (Fast to compute, basic detection)\n"

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      • S
        Sebastian Roth Moderator
        last edited by Nov 19, 2019, 9:50 PM

        @ismith-hpu In the partclone pictures we see /dev/nvme0n1 which is the whole disk. Shouldn’t it try to capture the partitions (e.g. /dev/nvme0n1p1 …)? Not sure what exactly is going wrong here. Just the first thing that jumped at me.

        Years ago at my old working place we did capture and deploy Mac OS X perfectly fine, so I know this has worked at some point. But so many things have changed and I don’t have a Mac at hand to test.

        Can you please schedule a debug capture task. Boot up the machine and hit ENTER twice to get to the shell. Now run fdisk -l, take a picture of the output and post here.

        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

        I T 2 Replies Last reply Nov 19, 2019, 9:51 PM Reply Quote 0
        • I
          ismith.hpu @Sebastian Roth
          last edited by ismith.hpu Nov 19, 2019, 4:00 PM Nov 19, 2019, 9:51 PM

          @Sebastian-Roth

          That is what I told @Tom-Elliott in the priv-chat.

          This is similar to what happened before and he fixed in a post-init but it’s not working again.

          I am out of the office but will do that tomorrow.

          Additionally this WAS working before I updated utilizing his post-init, as I can deploy the image fine that I capture before and I use to be capture fine, now it’s broken.

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          • T
            Tom Elliott @Sebastian Roth
            last edited by Nov 19, 2019, 10:01 PM

            @Sebastian-Roth the Macs are being captured as raw, which captures the entire disk, not the partitions.

            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

            I 1 Reply Last reply Nov 19, 2019, 10:03 PM Reply Quote 1
            • I
              ismith.hpu @Tom Elliott
              last edited by Nov 19, 2019, 10:03 PM

              @Tom-Elliott

              But it still needs to be able to write the partitions and data in the correct order.

              If that wasn’t the case then why did we make a post init to properly identify the nvme0n1p1 when we did the:

              lsblk -dpno KNAME -I 3,8,9,179,202,253,259 | uniq | sort -
              readlink /sys/class/block/nvme0n1p1
              disk=$(readlink /sys/class/block/nvme0n1p1)
              disk=${disk%/}
              disk=/dev/${disk##
              /
              echo $disk
              lsblk -no pkname /dev/nvme0n1p1

              When my capture/hardware hasn’t change.

              Look back at the conversation in PM from 11 days ago and see if that maybe adds more context? I am a little confused myself x.x

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              • T
                Tom Elliott
                last edited by Tom Elliott Nov 19, 2019, 4:37 PM Nov 19, 2019, 10:37 PM

                The fixes we put in place where 2 fold.

                First we put in the fix to address the issue of RAW imaging not passing a partition for partprobe. This was handled by passing a variable to test if the image is raw or not. If it’s raw, the flag gets set and the function returns the disk as it was sent to the function.

                Second we are using a more implicit means to return the disk when the partition information is passed.

                The only real difference that I’m seeing here, is that the 0.3.12 partclone doesn’t like doing the the translation.

                THis is okay, leave your post init script in place. Edit the funcs.sh file and remove the -a0 (or -a1 if this is still in place) from the file.

                Download the proper inits again using:

                wget -O /var/www/fog/service/ipxe/init.xz https://fogproject.org/inits/init.xz
                wget -O /var/www/fog/service/ipxe/init_32.xz https://fogproject.org/inits/init_32.xz
                

                Then you should be all set. The init’s will have the proper funcs.sh for 0.2.89 partclone as well as the changes that were in the init’s you downloaded from our dev server.

                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

                I 2 Replies Last reply Nov 19, 2019, 11:00 PM Reply Quote 0
                • I
                  ismith.hpu @Tom Elliott
                  last edited by Nov 19, 2019, 11:00 PM

                  @Tom-Elliott
                  Trying this now, will attempt to see if it deploys properly.

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                  • I
                    ismith.hpu @Tom Elliott
                    last edited by Nov 19, 2019, 11:08 PM

                    @Tom-Elliott said in Failure in Capturing an image:

                    wget -O /var/www/fog/service/ipxe/init_32.xz https://fogproject.org/inits/init_32.xz

                    It now works completely.

                    Thank you very much.

                    1 Reply Last reply Reply Quote 0
                    • Q
                      Quazz Moderator @Tom Elliott
                      last edited by Nov 20, 2019, 9:55 AM

                      @Tom-Elliott said in Failure in Capturing an image:

                      @ismith-hpu But the machine, indeed, does have an OS on the disk? I can only assume the -a0 is a part of the problem. I don’t know what the argument is doing for the 0.3.12 version of partclone.

                      It’s to ensure compatibility with 0.2.89 images, allowing them to be deployed with 0.3.12.

                      0.2.89 had a broken checksum system, so we force it disabled on 0.3.12 in order to allow those images a normal deployment. It’s also faster and slightly smaller images, certainly not complaining about that part.

                      It is curious that 0.3.12 doesn’t seem to work in this instance, though I wonder if a non-resizable (not raw) capture has been tried?

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