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    SR_BACKEND_FAILURE_109

    Scheduled Pinned Locked Moved Xen Orchestra
    36 Posts 4 Posters 2.1k Views 1 Watching
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    • olivierlambertO Offline
      olivierlambert Vates 🪐 Co-Founder CEO
      last edited by

      Ouch. And I suppose there's no pro support for this production environment?

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      • N Offline
        ntithomas
        last edited by

        Not that I am aware of. We have support individual VMs because they have paid software on them, but we don't have support on the VM manager itself.

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

          While we'll try to help, that would be a good time to tell people who write the checks to think about supporting this critical part of the infrastructure 😉

          Please provide the entire SMlog so we can take a look.

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          • DanpD Offline
            Danp Pro Support Team
            last edited by

            @ntinthomas I fixed your post above so that the log displays correctly. Please follow the below example in the future --

            ```
            log goes here
            ```
            
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            • N Offline
              ntithomas
              last edited by

              The log is longer than i can post any suggestions to get it on here?

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

                Just download the entire file and host it somewhere 🙂

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                • N Offline
                  ntithomas
                  last edited by

                  https://drive.google.com/file/d/1sbfZsUlONmtwKGNwhKLZPNdH5-v91EpQ/view?usp=sharing

                  I believe this is the entire log.

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

                    In XO: SR view, click on the SR, advanced. Can you share a screenshot here?

                    Also, do you have VMs with a lot of snapshots?

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                    • N Offline
                      ntithomas
                      last edited by

                      image_2021-08-17_123059.png

                      This is the screen i generally see and work from. And yes we have about 13 VM's with screenshots being sent to a FreeNas box.

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

                        XCP-ng center isn't an officially supported client, and worse than that, it doesn't expose the number of disks left to coalesce, unlike XO.

                        Also, you are on 8.1, which is EOL 🙂

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                        • N Offline
                          ntithomas
                          last edited by

                          So what would be the best solution to get this resolved?

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

                            Do you have a lot of snapshots in your VMs?

                            Having an XOA deployed would help to diagnose too.

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                            • N Offline
                              ntithomas
                              last edited by

                              So we had them scheduled to take snapshots every night of every VM. I noticed that errors were accumulating this week. How would I deploy XOA to help diagnose the issue?

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                              • N Offline
                                ntithomas
                                last edited by

                                In the XCP-NG Center GUI we have 16 VM's with 41 snapshots currently in the snapshot section on the center.

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

                                  Using XCP-ng Center scheduled snapshot? That's really a poorly crafted feature vs XO backup capabilities (and it's not taking into account the chain, unlike XO).

                                  I strongly suggest to get rid of XCP-ng Center at some point.

                                  Regarding XOA deploy: https://help.vates.fr/kb/en-us/9-xen-orchestra-appliance-xoa/18-deploy-your-xoa

                                  To fix your chain issues, please start to remove snapshots.

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                                  • N Offline
                                    ntithomas
                                    last edited by

                                    One question does the Xen Orchestra manager have to be ran on XCPNG or can get rid of XCPNG all together?

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                                    • N Offline
                                      ntithomas
                                      last edited by

                                      Also getting this log error on the Xen Orchestra Web Interface.[0_1629315103732_2021-08-18T19_31_00.542Z - XO.log](Uploading 100%)

                                      SR_BACKEND_FAILURE_47(, The SR is not available [opterr=directory not mounted: /var/run/sr-mount/4e765024-1b4d-fca2-bc51-1a09dfb669b6], )

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

                                        1. You can run Xen Orchestra anywhere you like, as long it can reach your pool master
                                        2. Please do as I said earlier: SR view, click on the SR in question, Advanced tab. Do you have uncoalesced disks in there?
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                                        • N Offline
                                          ntithomas
                                          last edited by

                                          So in the ISCSI virtual disk storage pool 1 there are 606 items I do not see the option for coalesce at all. Here's some screenshots.

                                          Also after researching I have found that there are 352 Items that need to be coalesce.

                                          On the VDI to Coalesce page what is the Depth? SR Screenshot 2.PNG SR Screenshot 1.PNG SR Screenshot 3.PNG

                                          DarkbeldinD 1 Reply Last reply Reply Quote 0
                                          • DarkbeldinD Offline
                                            Darkbeldin Vates 🪐 Pro Support Team @ntithomas
                                            last edited by

                                            @ntithomas Hi,

                                            Each time you remove a snapshot the main disk have to coalesce the change "merge the difference" to integrate the removed snapshot. The depth is the number of removed snapshot you have to merged in the main disk. 29 is a lot it will need a lot of time.

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