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    Missing Disks in VM

    Scheduled Pinned Locked Moved Xen Orchestra
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    • S Offline
      Schmarvin
      last edited by

      Hello,

      Just thought I'd ask, as this was the first time I've encountered this issue and couldn't find the answer from a few hours of my Google-Fu.

      Migrating a customer server into a VM. Current server has multple hard drives, not partitions. Mind you, these drives are set from the RAID controller, can't change these. I believe there are 5 total "drives" and not partitions.

      Starting up the new VM in Xen Orchestra and noticed only 1 of the 5 drives added are showing up. This is a Windows Server machine. Is there a reason this is happening? Or a work around or solution to this?

      As a last FYI, the number of these "drives" can't be reduced or put into partitions. This server runs a huge medical program for a customer of ours and it can't be reconfigured properly.

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      • DanpD Offline
        Danp Pro Support Team
        last edited by

        Hi... it isn't clear to me what you have done thus far.

        • Did you perform a P2V conversion on the server or did you build a new VM from scratch?
        • Which version of Windows Server?
        • Are you converting the physical disks into VHDs?
        S 1 Reply Last reply Reply Quote 0
        • S Offline
          Schmarvin @Danp
          last edited by Schmarvin

          @Danp

          My apologies.
          New VM from scratch. Running Server 2016.
          No, we have a backup software that does that.

          **as an FYI, we did this all the time with VMware. Trying to re-create the procedure with XCP-NG.

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          • DanpD Offline
            Danp Pro Support Team
            last edited by

            @Schmarvin said in Missing Disks in VM:

            Starting up the new VM in Xen Orchestra and noticed only 1 of the 5 drives added are showing up

            How did you add these drives to the VM? Do they show up in the Device Manager or under Disk Management?

            FWIW, I'm still not clear on your setup. Are you wanted to access the RAID drives directly from your new VM?

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            • S Offline
              Schmarvin @Danp
              last edited by

              @Danp Added during the creation of the VM.

              The setup doesn't need raid, the old server/setup had raid, but I don't care about that. There are 5 Disks/Volumes that I need to carry from that server to the new VM.

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              • DanpD Offline
                Danp Pro Support Team
                last edited by

                Please answer my prior questions --

                How did you add these drives to the VM? Do they show up in the Device Manager or under Disk Management?

                I'm not sure that it matters in this instance, but have you installed the guest tools in the VM?

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                • S Offline
                  Schmarvin @Danp
                  last edited by

                  @Danp Can't install guest tools on a VM that has no operating system. Backup software copies the image from the source (the old server) and lets us download to the new target (new VM).

                  Since we are coming from a server that is on-site at a customer to a VM hosted in our servers, we can't just set the VM as a new server and config and move it over.

                  DanpD 1 Reply Last reply Reply Quote 0
                  • DanpD Offline
                    Danp Pro Support Team @Schmarvin
                    last edited by

                    @Schmarvin It feels like work trying to get information from you. Remember that I'm trying to help. 😉

                    • If there isn't an OS, then how did you confirm that only one of the drives is present?

                    • How were the drives added in XO? Did you import the disks and then attach them to the VM?

                    • Do all 5 disks appear under the VM's Disks tab in XO?

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                    • S Offline
                      Schmarvin @Danp
                      last edited by

                      @Danp Again, my apologies, Trying to figure out how to make it easy.

                      • When starting the backup software ISO, like you would start from an ISO to load an OS, it only detects the first Hard Disk attached to the VM.
                      • In Xen Orchestra, during the VM creation, I added all 5 drives with their storage sizes. These are brand new hard disks created from within Xen Orchestra.
                      • All 5 hard drives appears under the Disk's tab in XO.

                      As a test, I also tried this on a different newly created VM and attempted to install Windows 10 with two hard drives (created with XO), and same issue. It only shows 1 drive.

                      I know I had a similar issue a long time ago with VMware where I had to change the hard drive type from iSCSI to SATA or IDE. Is that possible for XCP-NG/XO or not?

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                      • DanpD Offline
                        Danp Pro Support Team
                        last edited by

                        What is the name of the backup software? I would suggest contacting the vendor to see if they know an easy fix for your issue.

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                        • S Offline
                          Schmarvin @Danp
                          last edited by

                          @Danp Ninja Backups, its similar to Comet Backups I believe. Does full image backups via WindowsPE.

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                          • DanpD Offline
                            Danp Pro Support Team
                            last edited by

                            Have you tried contacting the backup software vendor for support?

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                            • planedropP Offline
                              planedrop Top contributor
                              last edited by

                              I'm wondering if something else here might be wrong, you're saying if you add multiple disks to a brand new Windows 10 VM and try to install via Windows 10 ISO you only see 1 disk in the setup menu? I just tested this and you should be able to see multiple if that is the case.

                              Do all disks shows "connected" on the disks tab of XOA?

                              This is what I see on the Win10 VM:

                              2a5209e6-d273-4c9b-b8d8-3d1708485400-image.png

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                              • DanpD Offline
                                Danp Pro Support Team @planedrop
                                last edited by

                                @planedrop I think the issue is that the software used to restore from backup only sees one of the disks, which is why I was suggesting to contact the backup vendor for support.

                                planedropP 1 Reply Last reply Reply Quote 1
                                • planedropP Offline
                                  planedrop Top contributor @Danp
                                  last edited by

                                  @Danp I agree with you here, but they also mentioned a "different newly created VM and attempted to install Windows 10 with two hard drives" and they only saw one disk, so was seeing if maybe the issue is related and there is something setup wrong. All disks should be visible to the Windows installer.

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