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    Backup Continuous Replication hängt!

    Scheduled Pinned Locked Moved Solved Xen Orchestra
    47 Posts 6 Posters 9.8k Views 1 Watching
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    • olivierlambertO Offline
      olivierlambert Vates 🪐 Co-Founder CEO
      last edited by

      I mean double check source and destination SRs free space.

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      • X Offline
        x-rayd
        last edited by

        how much % space must be free source and SR?

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        • P Offline
          peder @x-rayd
          last edited by

          @x-rayd
          If you have 3 VMs that each have a 5TiB disk and you want to back up all of them you need at least 3x5=15TiB on the SR for the initial snapshots. Then you also need some extra GiBs or TiBs for the deltas.

          The workaround is to set up the SR as EXT, instead of LVM.
          Then it's using thin provisioning, meaning that the snapshot only uses as much space as you have data in each 5TiB disk.
          So if your VMs are only using 1,3 and 4 TiB of actual disk space then you only need an SR that's 1+3+4=8 TiB + the extra space for the deltas.

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          • X Offline
            x-rayd
            last edited by

            Hello,
            for a week cant backup with error: SR_BACKEND_FAILURE_109(, The snapshot chain is too long, )
            Why?

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            • X Offline
              x-rayd
              last edited by

              my xo-server 5.57.3
              xo-web 5.57.1

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              • olivierlambertO Offline
                olivierlambert Vates 🪐 Co-Founder CEO
                last edited by

                Please read https://xen-orchestra.com/docs/backup_troubleshooting.html#vdi-chain-protection

                If you get to this point, it means you are doing snapshots outside Xen Orchestra

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                • X Offline
                  x-rayd
                  last edited by

                  @olivierlambert said in Backup Continuous Replication hängt!:

                  If you get to this point, it means you are doing snapshots outside Xen Orchestra

                  Thanks!

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                  • X Offline
                    x-rayd
                    last edited by

                    Next problem!
                    After each backup locale storage have empty disks. Why?
                    If delete this disks, comming after backup renewed.

                    xcp-ng.jpg

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                    • olivierlambertO Offline
                      olivierlambert Vates 🪐 Co-Founder CEO
                      last edited by

                      I don't understand what you mean by "empty disk".

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                      • X Offline
                        x-rayd
                        last edited by

                        @olivierlambert said in Backup Continuous Replication hängt!:

                        disk

                        plese see screenshot

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                        • olivierlambertO Offline
                          olivierlambert Vates 🪐 Co-Founder CEO
                          last edited by

                          That doesn't help me at all. Also remember I'm not using XCP-ng Center myself. So I really don't get it. Please be really clear, because this way people will be more kindly to help, than trying to understand what you mean exactly.

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                          • X Offline
                            x-rayd
                            last edited by

                            xcp-ng-2.jpg
                            Sorry, I try! But my English is not good! 😞
                            See now screenshot from XEN Orchestra.
                            VM DF-Intranet have two snapshots, but one is empty, why?

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                            • DanpD Offline
                              Danp Pro Support Team
                              last edited by

                              That looks like an "orphaned" disk, which should be fine to delete. You can view any existing instances of these by selecting "Orphaned disks" from the filter in the bottom right.

                              If you experience these on every backup, then there's something off in your setup.

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                              • X Offline
                                x-rayd
                                last edited by

                                You mean my backup setup?

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                                • DanpD Offline
                                  Danp Pro Support Team
                                  last edited by

                                  Hard to say what would cause this issue. What version of xo-server / xo-web are you currently running?

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                                  • X Offline
                                    x-rayd
                                    last edited by

                                    @Danp said in Backup Continuous Replication hängt!:

                                    Hard to say what would cause this issue. What version of xo-server / xo-web are you currently running?

                                    xo-server 5.57.3
                                    xo-web 5.57.1

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                                    • DanpD Offline
                                      Danp Pro Support Team
                                      last edited by

                                      You are out-of-date again. Latest is 5.59.x, and there will likely be another release around EOM.

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                                      • X Offline
                                        x-rayd
                                        last edited by

                                        @Danp said in Backup Continuous Replication hängt!:

                                        You are out-of-date again. Latest is 5.59.x, and there will likely be another release around EOM.

                                        my pool have two nodes, but only master node have this problem!

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                                        • X Offline
                                          x-rayd
                                          last edited by

                                          I do not understand!
                                          Every day have pool-master orpharned disks and I delete it.
                                          Why does that happen?
                                          xoa.jpg

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                                          • K Offline
                                            karlisi
                                            last edited by

                                            I have the same problem since... I don't remember, a year perhaps. Orphaned snapshots are some way related to continuous replication, they appears randomly sometimes on almost all VMs, sometimes none. For me this is not a problem, I delete them as part of daily routine.
                                            I am using XOCE, xo-server and xo-web 5.59.0.

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