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    Building Out XenServer 6.5 with USB Boot and Software RAID 10

    IT Discussion
    xen virtualization xenserver xenserver 6.5 how to
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    • Romo
      Romo last edited by

      Automounting

      Screenshot from 2015-11-04 20:22:43.png

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      • Romo
        Romo last edited by

        mdadm.conf

        Screenshot from 2015-11-04 20:24:45.png

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        • Romo
          Romo last edited by

          Checking filesystems present in our system, at the bottom theres our array.

          Screenshot from 2015-11-04 20:27:36.png

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          • Romo
            Romo last edited by

            And finally the status of our array

            Screenshot from 2015-11-04 20:30:58.png

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            • dafyre
              dafyre last edited by

              @Romo -- sd[b-e]... Is this your boot drive, or just the data stores for XenServer ?

              Romo 1 Reply Last reply Reply Quote 0
              • DustinB3403
                DustinB3403 last edited by

                That is the data store.

                sda would be the boot device.

                sd[b-e] would be every other disk in the system available.

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                • DustinB3403
                  DustinB3403 last edited by

                  Without anyone outcrying (@scottalanmiller and @Romo) are we settled on providing the above process to configure mdadm on a USB XenServer?

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                  • scottalanmiller
                    scottalanmiller last edited by

                    Yes, just need to compile it into a step by step "one place" list.

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                    • scottalanmiller
                      scottalanmiller last edited by

                      And it would be handy to know what his device list was going to look like.

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                      • dafyre
                        dafyre last edited by

                        And preferably test it as you go, lol.

                        scottalanmiller 1 Reply Last reply Reply Quote 0
                        • DustinB3403
                          DustinB3403 last edited by

                          Does anyone know how to select the VM storage in xenserver, outside of the ISO installation process. We probably need that as well.

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                          • scottalanmiller
                            scottalanmiller @dafyre last edited by

                            @dafyre said:

                            And preferably test it as you go, lol.

                            Testing is for wimps.

                            1 Reply Last reply Reply Quote 2
                            • Romo
                              Romo @dafyre last edited by

                              @DustinB3403 I am actually trying to do exactly that just right now on my test setup. It thought that with this command:
                              xe sr-create type=ext device-config:device=/dev/md10 shared=false host-uuid:fba59a9c7e6db5a2d21e40343b415cfd name-label="Array storage"

                              It would get added as local storage to xencenter, but I am getting this error :
                              The SR operation cannot be performed because a device underlying the SR is in use by the host.

                              Don't really know why, I haven't used xenserver before. Any ideas @scottalanmiller

                              DustinB3403 1 Reply Last reply Reply Quote 1
                              • DustinB3403
                                DustinB3403 last edited by

                                OK so without the specific target device I believe this command will work.

                                xe sr-create content-type=user type=ext device-config:device=/dev/cciss/c0d0p3 shared=false name-label="Local storage"
                                

                                We simply need to determine his device path

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                                • DustinB3403
                                  DustinB3403 @Romo last edited by

                                  @Romo said:

                                  @DustinB3403 I am actually trying to do exactly that just right now on my test setup. It thought that with this command:
                                  xe sr-create type=ext device-config:device=/dev/md10 shared=false host-uuid:fba59a9c7e6db5a2d21e40343b415cfd name-label="Array storage"

                                  It would get added as local storage to xencenter, but I am getting this error :
                                  The SR operation cannot be performed because a device underlying the SR is in use by the host.

                                  Don't really know why, I haven't used xenserver before. Any ideas @scottalanmiller

                                  The reason your target device is in use is you have it mounted. Try dismounting the array and try again.

                                  1 Reply Last reply Reply Quote 2
                                  • DustinB3403
                                    DustinB3403 last edited by

                                    Romo when you run

                                    xe sr-list 
                                    

                                    What's listed?

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                                    • Romo
                                      Romo last edited by

                                      The array is now properly seen as storage in xencenter, I did have to unmount it first @DustinB3403

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                                      • DustinB3403
                                        DustinB3403 last edited by

                                        What process did you run to unmount it.

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                                        • Romo
                                          Romo last edited by

                                          umount /dev/md10

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                                          • DustinB3403
                                            DustinB3403 last edited by

                                            So you ran

                                             umount /dev/md10
                                            

                                            and then

                                            xe sr-create type=ext device-config:device=/dev/md10 shared=false host-uuid:fba59a9c7e6db5a2d21e40343b415cfd name-label="Array storage"
                                            

                                            Correct?

                                            1 Reply Last reply Reply Quote 1
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