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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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    • scottalanmiller
      scottalanmiller last edited by

      It worked on the output that you gave to me. 😞

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      • scottalanmiller
        scottalanmiller last edited by

        See what -f2 does.

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        • scottalanmiller
          scottalanmiller last edited by

          I refreshed the OP with the latest revisions.

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          • Romo
            Romo last edited by

            Screenshot from 2015-11-05 09:47:36.png

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            • DustinB3403
              DustinB3403 last edited by

              Romo can you confirm if SDA is the USB drive?

              we need to confirm that it's not attempting to be added to the Array with

              mdadm --create /dev/md0 --level=10 --raid-devices=4 /dev/sd[a-d]
              
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              • Romo
                Romo last edited by

                Yes in my setup sda simulates to be the usb, thats why the array starts with sdb

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                • DustinB3403
                  DustinB3403 last edited by

                  OK so scott change the script to start at sd[b-e]

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                  • Romo
                    Romo last edited by

                    I believe it should be in this order:

                    modprobe raid10
                    chmod a+x /etc/sysconfig/modules/raid.modules
                    mdadm --create /dev/md0 --level=10 --raid-devices=4 /dev/sd[a-d]
                    cat /proc/mdstat

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

                      @Romo

                      You mean

                      mdadm --create /dev/md0 --level=10 --raid-devices=4 /dev/sd[b-e]
                      

                      Need to be very certain we aren't attempting to overwrite the OS USB

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

                        We should also add that he needs to finish the array building before trying to add the filesystem

                        watch cat /proc/mdstat to see it build in real time

                        And also @scottalanmiller i only get mkfs.cramfs mkfs.ext2 and mkfs.ext3 as available fs by default

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                        • Romo
                          Romo @DustinB3403 last edited by Romo

                          @DustinB3403 said:

                          @Romo

                          You mean

                          mdadm --create /dev/md0 --level=10 --raid-devices=4 /dev/sd[b-e]
                          

                          Need to be very certain we aren't attempting to overwrite the OS USB

                          Yes, sorry I just copied the OP to show the order. The array needs to start with sdb, sda is the usb

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                          • Romo
                            Romo last edited by

                            Thats the screenshot of the array detail as you can see the array goes from sd[b-e]

                            Screenshot from 2015-11-04 20:06:04.png

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                            • DustinB3403
                              DustinB3403 last edited by

                              OK Well I've directed him to this topic here, and given him the information he'll need to build the array, following the updated OP.

                              Lets see how it goes.

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                              • Romo
                                Romo last edited by

                                Don't believe it was quite ready for him yet. At least not from only looking at the OP of this thread. @scottalanmiller hasn't yet changed several things from there

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                                • DustinB3403
                                  DustinB3403 @scottalanmiller last edited by

                                  Is mkfs.xfs not included in XenServer 6.5?

                                  with mkfs -help I get mkfs.ext2

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                                  • Romo
                                    Romo last edited by Romo

                                    No it is not there by default best option would be mkfs.ext3

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                                    • Romo
                                      Romo last edited by

                                      options found by default

                                      Screenshot from 2015-11-05 12:50:55.png

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                                      • scottalanmiller
                                        scottalanmiller last edited by

                                        Well that sucks. Ext3? Ugh.

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                                        • DustinB3403
                                          DustinB3403 last edited by

                                          Yeah I'm thinking he adjusted the command to be

                                          mkfs.ext3 /dev/md0
                                          

                                          And hit enter, just waiting for confirmation.

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                                          • scottalanmiller
                                            scottalanmiller last edited by

                                            Script has been updated.

                                            1 Reply Last reply Reply Quote 0
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