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    Experimental update of CentOS packages

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    • stormi
      stormi XCP-ng Team Admin Vates Team last edited by

      The live migration issue may, or not, be related to this: https://xcp-ng.org/forum/topic/522/unable-to-migrate-live-vms-after-upgrading-from-xcp-ng-7-4-to-7-5/

      michael 1 Reply Last reply Reply Quote 0
      • michael
        michael @stormi last edited by

        @stormi

        Do you have any suggestions for me to try to help see if this is related?

        1 Reply Last reply Reply Quote 0
        • stormi
          stormi XCP-ng Team Admin Vates Team last edited by

          Yes, you could install emu-manager from XenServer 7.6 (present on their installation ISO) and see if live migration works better (note that reproducing the issue may depend on VM load or other factors, so if it does migrate well, try several times to confirm the result).

          Once you've got the RPM:

          rpm -e --nodeps xcp-emu-manager
          yum install emu-manager-version_and_such.rpm
          xe-toolstack-restart # may not be needed but doesn't hurt
          
          1 Reply Last reply Reply Quote 0
          • michael
            michael last edited by

            This fixed the issue for a few migrations. The latest one put the VM into a suspended mode and then disconnected me from the host. I restarted the tool-stack on each host and when I went to reconnect to the host I was migrating the VM from it would let me in for a moment and then kick me out again and it was in a maintence mode according to the icon. To resolve this I rebooted the host. I'm currently seeing if I can replicate this behavior.

            Other than this I haven't run into any issues so far.

            Let me know if there is anything specific you would like tested.

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            • F
              fibrewire last edited by

              i know this topic is old, but is this still going on? I would like to participate.

              1 Reply Last reply Reply Quote 0
              • olivierlambert
                olivierlambert XCP-ng Team Admin Vates Team last edited by

                Problem is considered solved now.

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                • stormi
                  stormi XCP-ng Team Admin Vates Team last edited by stormi

                  Since I started this topic, XCP-ng version 8.0 came with updated CentOS packages (to CentOS 7.5). Now the versions remain stable but I'm regularly checking CentOS security updates for important updates that may be necessary to us.

                  N 1 Reply Last reply Reply Quote 0
                  • N
                    nackstein @stormi last edited by

                    @stormi I have a doubt, you say that XCP-ng 8.0 comes with packages updated to CentOS 7.5 plus some custom package like kernel.
                    If I update the host via yum it goes to the latest CentOS 7.x version plus latest updates, I'm right?
                    I don't see any yum settings that keep it stuck to 7.5.
                    I mean, the updates repo have this source:
                    mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
                    and $releasever = 7 widhtout any minor release specification, so I assume an update takes my base OS to the latest minor plus updates.

                    stormi 1 Reply Last reply Reply Quote 0
                    • stormi
                      stormi XCP-ng Team Admin Vates Team @nackstein last edited by

                      @nackstein If you update to latest CentOS you probably basically just break your system. The CentOS repos are not active by default on purpose. We let them as a convenience for those who really really need to (and understand the risk) to cherry-pick additional software that we don't offer in our own repos.

                      N 1 Reply Last reply Reply Quote 1
                      • stormi
                        stormi XCP-ng Team Admin Vates Team last edited by

                        See also https://github.com/xcp-ng/xcp/wiki/Additional-packages

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                        • N
                          nackstein @stormi last edited by

                          @stormi enabled=0, didn't see it! thanks 👍

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