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    Hyper V - USB Disk not showing up

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    • J
      Joel
      last edited by

      Hi Guys
      Wonder if you can help shed some light on this.

      I have a Hyper V core host machine with 2x VM's installed (1x DC and 1x SQLServer).
      We have a USB device (8TB) plugged into our host, (put offline) and then bought online within our SQLServer. This has been working well and we use the USB to backup.

      HOWEVER, recently the USB from the SQLServer has disappeared and we cant bring it back online! We've rebooted servers but it still wont show up on our SQL Server.

      Note: we use Windows Admin Centre to manage the host and VM's and in the pic you can see within Admin Centre you can see in the settings for the SQLServer shows our 8TB Hard Drive, however when we list disk's on the actual VM we dont see it!!! DiskMago.JPG

      Can anyone help identify how we can bring our USB back online?
      This did happen before and it seems the way we bought it back online was by going on site and using Hyper V Manager software to re-attach the drive but seems a long winded way to bring it back visible. Any ideas?

      Thanks

      D T S 3 Replies Last reply Reply Quote 0
      • D
        DustinB3403 @Joel
        last edited by

        @Joel said in Hyper V - USB Disk not showing up:

        Hi Guys
        Wonder if you can help shed some light on this.

        I have a Hyper V core host machine with 2x VM's installed (1x DC and 1x SQLServer).
        We have a USB device (8TB) plugged into our host, (put offline) and then bought online within our SQLServer. This has been working well and we use the USB to backup.

        HOWEVER, recently the USB from the SQLServer has disappeared and we cant bring it back online! We've rebooted servers but it still wont show up on our SQL Server.

        Note: we use Windows Admin Centre to manage the host and VM's and in the pic you can see within Admin Centre you can see in the settings for the SQLServer shows our 8TB Hard Drive, however when we list disk's on the actual VM we dont see it!!! DiskMago.JPG

        Can anyone help identify how we can bring our USB back online?
        This did happen before and it seems the way we bought it back online was by going on site and using Hyper V Manager software to re-attach the drive but seems a long winded way to bring it back visible. Any ideas?

        Thanks

        You need to use the hypervisor to setup USB Passthrough. There are several guides on how to do this, but you need to provide more details. What version of Hyper-V? Etc

        1 Reply Last reply Reply Quote 1
        • T
          travisdh1 @Joel
          last edited by

          @Joel Does the Hyper-V host see the drive?

          1 Reply Last reply Reply Quote 1
          • S
            syko24 @Joel
            last edited by

            @Joel said in Hyper V - USB Disk not showing up:

            Hi Guys
            Wonder if you can help shed some light on this.

            I have a Hyper V core host machine with 2x VM's installed (1x DC and 1x SQLServer).
            We have a USB device (8TB) plugged into our host, (put offline) and then bought online within our SQLServer. This has been working well and we use the USB to backup.

            HOWEVER, recently the USB from the SQLServer has disappeared and we cant bring it back online! We've rebooted servers but it still wont show up on our SQL Server.

            Note: we use Windows Admin Centre to manage the host and VM's and in the pic you can see within Admin Centre you can see in the settings for the SQLServer shows our 8TB Hard Drive, however when we list disk's on the actual VM we dont see it!!! DiskMago.JPG

            Can anyone help identify how we can bring our USB back online?
            This did happen before and it seems the way we bought it back online was by going on site and using Hyper V Manager software to re-attach the drive but seems a long winded way to bring it back visible. Any ideas?

            Thanks

            Any reason to not just create a VHDX on the usb drive and attach that to the VM? Passing the usb drive from the host to the VM I don't believe is actually supported. It may work but clearly not reliable.

            J D 2 Replies Last reply Reply Quote 0
            • J
              JaredBusch @syko24
              last edited by

              @syko24 said in Hyper V - USB Disk not showing up:

              @Joel said in Hyper V - USB Disk not showing up:

              Hi Guys
              Wonder if you can help shed some light on this.

              I have a Hyper V core host machine with 2x VM's installed (1x DC and 1x SQLServer).
              We have a USB device (8TB) plugged into our host, (put offline) and then bought online within our SQLServer. This has been working well and we use the USB to backup.

              HOWEVER, recently the USB from the SQLServer has disappeared and we cant bring it back online! We've rebooted servers but it still wont show up on our SQL Server.

              Note: we use Windows Admin Centre to manage the host and VM's and in the pic you can see within Admin Centre you can see in the settings for the SQLServer shows our 8TB Hard Drive, however when we list disk's on the actual VM we dont see it!!! DiskMago.JPG

              Can anyone help identify how we can bring our USB back online?
              This did happen before and it seems the way we bought it back online was by going on site and using Hyper V Manager software to re-attach the drive but seems a long winded way to bring it back visible. Any ideas?

              Thanks

              Any reason to not just create a VHDX on the usb drive and attach that to the VM? Passing the usb drive from the host to the VM I don't believe is actually supported. It may work but clearly not reliable.

              It is and always has been supported.

              I never recommend it though, for reasons like this.

              1 Reply Last reply Reply Quote 1
              • D
                dbeato @syko24
                last edited by

                @syko24 said in Hyper V - USB Disk not showing up:

                @Joel said in Hyper V - USB Disk not showing up:

                Hi Guys
                Wonder if you can help shed some light on this.

                I have a Hyper V core host machine with 2x VM's installed (1x DC and 1x SQLServer).
                We have a USB device (8TB) plugged into our host, (put offline) and then bought online within our SQLServer. This has been working well and we use the USB to backup.

                HOWEVER, recently the USB from the SQLServer has disappeared and we cant bring it back online! We've rebooted servers but it still wont show up on our SQL Server.

                Note: we use Windows Admin Centre to manage the host and VM's and in the pic you can see within Admin Centre you can see in the settings for the SQLServer shows our 8TB Hard Drive, however when we list disk's on the actual VM we dont see it!!! DiskMago.JPG

                Can anyone help identify how we can bring our USB back online?
                This did happen before and it seems the way we bought it back online was by going on site and using Hyper V Manager software to re-attach the drive but seems a long winded way to bring it back visible. Any ideas?

                Thanks

                Any reason to not just create a VHDX on the usb drive and attach that to the VM? Passing the usb drive from the host to the VM I don't believe is actually supported. It may work but clearly not reliable.

                In order to pass it through the VM needs to have the Storage of the VM as SCSI Controller and add a hard drive and then set it as offline on disk management.
                0e10c6df-68b8-46cd-9eae-6d27ecd2e16b-image.png

                J 1 Reply Last reply Reply Quote 0
                • J
                  JaredBusch @dbeato
                  last edited by

                  @dbeato said in Hyper V - USB Disk not showing up:

                  @syko24 said in Hyper V - USB Disk not showing up:

                  @Joel said in Hyper V - USB Disk not showing up:

                  Hi Guys
                  Wonder if you can help shed some light on this.

                  I have a Hyper V core host machine with 2x VM's installed (1x DC and 1x SQLServer).
                  We have a USB device (8TB) plugged into our host, (put offline) and then bought online within our SQLServer. This has been working well and we use the USB to backup.

                  HOWEVER, recently the USB from the SQLServer has disappeared and we cant bring it back online! We've rebooted servers but it still wont show up on our SQL Server.

                  Note: we use Windows Admin Centre to manage the host and VM's and in the pic you can see within Admin Centre you can see in the settings for the SQLServer shows our 8TB Hard Drive, however when we list disk's on the actual VM we dont see it!!! DiskMago.JPG

                  Can anyone help identify how we can bring our USB back online?
                  This did happen before and it seems the way we bought it back online was by going on site and using Hyper V Manager software to re-attach the drive but seems a long winded way to bring it back visible. Any ideas?

                  Thanks

                  Any reason to not just create a VHDX on the usb drive and attach that to the VM? Passing the usb drive from the host to the VM I don't believe is actually supported. It may work but clearly not reliable.

                  In order to pass it through the VM needs to have the Storage of the VM as SCSI Controller and add a hard drive and then set it as offline on disk management.
                  0e10c6df-68b8-46cd-9eae-6d27ecd2e16b-image.png

                  Not what anyone is talking about.

                  D 1 Reply Last reply Reply Quote 0
                  • D
                    dbeato @JaredBusch
                    last edited by

                    @JaredBusch said in Hyper V - USB Disk not showing up:

                    @dbeato said in Hyper V - USB Disk not showing up:

                    @syko24 said in Hyper V - USB Disk not showing up:

                    @Joel said in Hyper V - USB Disk not showing up:

                    Hi Guys
                    Wonder if you can help shed some light on this.

                    I have a Hyper V core host machine with 2x VM's installed (1x DC and 1x SQLServer).
                    We have a USB device (8TB) plugged into our host, (put offline) and then bought online within our SQLServer. This has been working well and we use the USB to backup.

                    HOWEVER, recently the USB from the SQLServer has disappeared and we cant bring it back online! We've rebooted servers but it still wont show up on our SQL Server.

                    Note: we use Windows Admin Centre to manage the host and VM's and in the pic you can see within Admin Centre you can see in the settings for the SQLServer shows our 8TB Hard Drive, however when we list disk's on the actual VM we dont see it!!! DiskMago.JPG

                    Can anyone help identify how we can bring our USB back online?
                    This did happen before and it seems the way we bought it back online was by going on site and using Hyper V Manager software to re-attach the drive but seems a long winded way to bring it back visible. Any ideas?

                    Thanks

                    Any reason to not just create a VHDX on the usb drive and attach that to the VM? Passing the usb drive from the host to the VM I don't believe is actually supported. It may work but clearly not reliable.

                    In order to pass it through the VM needs to have the Storage of the VM as SCSI Controller and add a hard drive and then set it as offline on disk management.
                    0e10c6df-68b8-46cd-9eae-6d27ecd2e16b-image.png

                    Not what anyone is talking about.

                    okay, didn't know that.

                    1 Reply Last reply Reply Quote 0
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