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    Unbootable VHD backups

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    • D Offline
      DustinB @Schmidty86
      last edited by DustinB

      @Schmidty86 Try disabling the boot devices under advanced

      https://xcp-ng.org/forum/topic/8357/i-cannot-enter-the-vm-boot-menu/2

      then you'll have more time to see what the options are to get into BIOS.

      It might even be as simple as tapping the Shift Key while the VM starts.... I don't have to do it often enough to commit to memory, but you can definitely get into BIOS on a VM that "isn't posting". You've technically made it past post, and are failing due to a missing boot device.

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      • S Offline
        Schmidty86 @DustinB
        last edited by

        @DustinB You cannot disable all the boot devices in xoa.

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        • S Offline
          Schmidty86 @Schmidty86
          last edited by

          Got into the boot but, change what now?
          94f2e91d-32e9-4ffe-aa07-7c6a9d95c95b-image.png

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          • D Offline
            DustinB @Schmidty86
            last edited by

            @Schmidty86 I dont see your disk at all listed, only PXE (network booting) and then the MISC device (which is the questionable item).

            The internal Shell isn't relevant to this conversation.

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            • D Offline
              DustinB @DustinB
              last edited by DustinB

              said in Unbootable VHD backups:

              @Schmidty86 I dont see your disk at all listed, only PXE (network booting) and then the MISC device (which is the questionable item).

              The internal Shell isn't relevant to this conversation.

              As a side thought, re-enable the DISK under advanced and then reboot into BIOS and see if the disk is listed.

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              • S Offline
                Schmidty86 @DustinB
                last edited by Schmidty86

                @DustinB 87c00940-b25f-46ec-ba09-94e7f99414bf-image.png

                still nothing. and i do have the vhd attached.
                3428795d-3994-4d14-b41f-ef7bd294dedb-image.png

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                • D Offline
                  DustinB @Schmidty86
                  last edited by

                  @Schmidty86 That disk appears to be a secondary disk, is this just a "data volume" and not a boot volume (looking at XO where it shows xvdb)?

                  Hrm as to the fact that it still shows it as a misc disk.... I'm at a loss.

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                  • S Offline
                    Schmidty86 @DustinB
                    last edited by

                    @DustinB To my knowledge this is the bootable volume. all the other backups in the parent folder are just differential backups that are much much smaller.

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                    • S Offline
                      Schmidty86 @DustinB
                      last edited by

                      @DustinB Also when i look at the VHD in 7zip i can clearly see that it has a boot sector.
                      735e1907-f22a-4393-8070-3c9d9f755d71-image.png

                      AtaxyaNetworkA 1 Reply Last reply Reply Quote 0
                      • AtaxyaNetworkA Offline
                        AtaxyaNetwork Ambassador @Schmidty86
                        last edited by

                        @Schmidty86 Try to detach the disk and reattach, it should be xvda in order to be bootable

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                        • S Offline
                          Schmidty86 @AtaxyaNetwork
                          last edited by

                          @AtaxyaNetwork Sadly I've done this multiple times as well with no luck of it turning into that format.

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                          • D Offline
                            DustinB @AtaxyaNetwork
                            last edited by

                            @AtaxyaNetwork said in Unbootable VHD backups:

                            @Schmidty86 Try to detach the disk and reattach, it should be xvda in order to be bootable

                            That's what I was thinking as well, but obviously something is off with this VM.

                            @Schmidty86 is the old host still online? If so you might be able to perform a Live Migration or a replication job to copy it from the old host to the new.

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