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    XCP-ng 8.3 updates announcements and testing

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    • F Offline
      flakpyro @rzr
      last edited by flakpyro

      Installed on my usual test hosts without issues. However i am not using the qcow2 disk format anywhere yet

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      • A Online
        acebmxer @rzr
        last edited by

        @rzr Installed latest update and no issues to report. I dont hvae any 2tb+ drives in my vms. converting from vhd to qcow2 and backups all working.

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        • A Online
          Andrew Top contributor @rzr
          last edited by

          @rzr Updates running. VHD use only.

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          • B Offline
            bufanda
            last edited by

            Installed on my usual lab setup works fine so far although I have the "Fell back to full backup" message for qcow2 VMs

            A 1 Reply Last reply Reply Quote 3
            • A Online
              acebmxer @bufanda
              last edited by

              @bufanda Make sure you have enable the purge snapshot when using CBT, if you are using CBT. After the previous update that fixed fell back to full backup issue for me..

              Maybe also try running a manual full backup to reset the VDI chain.

              Screenshot_20260425_071444.png

              B 1 Reply Last reply Reply Quote 1
              • A Online
                acebmxer @rzr
                last edited by acebmxer

                @rzr

                One thing i am noticing after this updates. Is i am seeing alot more traffic on my truenas. The gaps are me shutting down vms and starting each one to find the problem vms but it seems to be any vm. I didnt notice any performance issues just noticed the graph in truenas when its usally flat line there the occasional spike here and there not the big mess to the left in first screenshot. 5 vms running

                My xoa is on local storage on master host. and used for these test.
                All vms are powered off except xoa and xo

                Screenshot_20260425_130107.png

                Here i booted the xo vm and left it idle. The spike after is me live migrate back to vhd SR and then left idle.

                Screenshot_20260425_135258-1.png

                The gap in the middle is xo idle on vhd only SR.
                Screenshot_20260425_135604.png

                live Migrate xo back to qcow2 only SR
                Screenshot_20260425_140908.png

                Migration back to qcow2 completed
                Screenshot_20260425_143122.png

                Left xo ldle after migration to qcow2 sr.
                Screenshot_20260425_144314.png

                Again all vms booted and idle....

                Screenshot_20260425_145451.png

                From master host.
                Screenshot_20260425_150320.png

                stormiS 1 Reply Last reply Reply Quote 2
                • B Offline
                  bufanda @acebmxer
                  last edited by

                  @acebmxer purge snapshots is active since I created the backup job over a year ago. I always enable purge snapshots on backup jobs.

                  stormiS 1 Reply Last reply Reply Quote 1
                  • stormiS Offline
                    stormi Vates 🪐 XCP-ng Team @bufanda
                    last edited by

                    @bufanda I'm being told it's expected to have it the first time after the update, but in theory the next ones should be not be fulls. Can you try?

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                    • stormiS Offline
                      stormi Vates 🪐 XCP-ng Team @acebmxer
                      last edited by

                      @acebmxer with qcow2, the way we scan the SR regularly uses more I/O, so this may explain it.

                      A 1 Reply Last reply Reply Quote 0
                      • A Online
                        acebmxer @stormi
                        last edited by

                        @stormi said:

                        @acebmxer with qcow2, the way we scan the SR regularly uses more I/O, so this may explain it.

                        Thanks for the update, that this is expected. I think it its a bit a excessive being its only 4 -5 vms.

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