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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

      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.

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                          • 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.

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                                • 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?

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                                          • Romo
                                            Romo last edited by

                                            Yes, @DustinB3403 .

                                            This is xe sr-list output with the array added as storage

                                            Screenshot from 2015-11-05 09:12:22.png

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