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    Extremely Slow Deploy to NVME drives

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    • M
      Middle @Quazz
      last edited by

      @Quazz No change I’m afraid with the pcie_aspm args (slow transfer rate). I didn’t spot any errors like we get with the latency one, however I do receive ‘is an unknown key’ when trying to add in debug mode. I’ve tired with both the 5.1.16 and 4.19.64 kernels.

      Incidentally, if I have a kernel args set and I use debug mode, it always seems to stop at the ‘Restoring Partition Tables (GPT)’ section. Running a normal deploy at least moves onto the Partclone screen and eventually to a slow transfer rate.

      I’ve also installed the Sept 27th HP BIOS and Firmware pack. I’m still looking for a firmware update specifically for the disk.

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      • Q
        Quazz Moderator @Middle
        last edited by

        @Middle Unfortunately, aside from the latency kernel argument there isn’t anything else we can do from our side as far as I’m aware.

        Unfortunately manufacturers don’t always check how their stuff works on linux…

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          DeRo93 @Quazz
          last edited by

          @Quazz

          Same here with the “nvme_core.default_ps_max_latency_us=5500 not a valid identifier” problem…

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          • S
            Sebastian Roth Moderator
            last edited by

            @DeRo93 said in Extremely Slow Deploy to NVME drives:

            Same here with the “nvme_core.default_ps_max_latency_us=5500 not a valid identifier” problem…

            The message is more a warning that the variable couldn’t be used in the FOS environment but it’s still properly setting the kernel parameter. So it should make a difference if that option is of any help in your case.

            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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              DeRo93 @Sebastian Roth
              last edited by

              @Sebastian-Roth

              ah okay. Unfortunately this does not helped and im not able to deploy images on the HP Elitebook 840 G6.

              Do you have any other suggestions :/?

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              • Q
                Quazz Moderator @DeRo93
                last edited by

                @DeRo93 If available, install firmware updates, BIOS updates and such.

                @Developers Looking over FOS, it seems that sector size is always assumed to be 512. Could this be involved in the slow speeds? (as it would cause missalignment, potentially)

                Additionally, it seems sector size isn’t always correctly reported by tools such as fdisk (possibly hardware manufacturers fault; dont know). So even if software is generally clever enough to handle it on its own, if it assumes the wrong value, we can assume worse performance (even after deployment)

                Tom ElliottT D 2 Replies Last reply Reply Quote 0
                • Tom ElliottT
                  Tom Elliott @Quazz
                  last edited by

                  @Quazz Sector sizes are calculated based on 512 byte sectors, but this wouldn’t necessarily be a miss-alignment. The sector is still 4k and 4096 is divisible into 8 chunks of 512 bytes. The alignment should happen on this disk. This is a logical allowance. There are some 4k drives that only allow 4096 byte sectors, but most drives allow logical 512 byte break outs.

                  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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                  • Q
                    Quazz Moderator @Tom Elliott
                    last edited by

                    @Tom-Elliott Was just wondering, since I came across someone who needed to specifiy 4k sector size to get full speed out of their drive; though admittedly their speeds were far greater than users who are having the issue of this thread it seems! So unrelated indeed. Thanks for the info.

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                    • D
                      DeRo93 @Quazz
                      last edited by

                      @Quazz said in Extremely Slow Deploy to NVME drives:

                      @DeRo93 If available, install firmware updates, BIOS updates and such.

                      Already done. Nothing helped :/. I hope there will be a Solution in future. We only work with HP. And i think the new one will all get NVME SSD´s… Anyway thank your for your Help.

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                      • R
                        robbit @DeRo93
                        last edited by

                        @DeRo93

                        I’m curious, what drives are inside your HP 840 G6s? We currently have the same laptop at my company, but our drives included in our G6 are Western Digital PC SN520 NVMe SSD. I know there is a configuration with OPAL drives (so they are already encrypted by default)

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