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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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    • R
      Romo
      last edited by

      I reboot without a problem, and the mounting of the array is managed properly by xen without the entry in fstab.

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

        On the test setup I built using the OP, the array is lost.

        Along with everything on it. It's much safer to keep it stored in fstab..

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

          Lost the whole array? That's strange that would imply something went really wrong. The entry added in fstab whould only cause the os to automount the array, nothing there should cause the array itself to get wiped.

          What is the current status of your array?
          mdadm --detail /dev/md0
          cat /proc/mdstat

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          • D
            DustinB3403
            last edited by

            This is what is in /var/run/sr-mount....

            0_1447077315730_2015-11-09_08-54-47.png

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            • D
              DustinB3403
              last edited by

              This is mdadm --details

              0_1447077386678_2015-11-09_08-56-05.png

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              • D
                DustinB3403
                last edited by DustinB3403

                and cat /proc/mdstat

                0_1447077445996_2015-11-09_08-56-57.png

                S R 2 Replies Last reply Reply Quote 0
                • S
                  scottalanmiller @DustinB3403
                  last edited by

                  @DustinB3403 said:

                  and cat /proc/mdstat

                  ![0_1447077435496_2015-11-09_08-56-57.png](Uploading 100%)

                  patience.....

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                  • D
                    DustinB3403
                    last edited by

                    Yes Yes, you're too quick some times sir. I corrected it.

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

                      So with the above 3 pictures and the Array missing.

                      I'd obviously have to rebuild the array, and remap items. Additionally, I'll have to recreate my "backup" USB (which isn't a huge deal)

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

                        @DustinB3403 can you run

                        mdadm --examine --scan

                        1 Reply Last reply Reply Quote 2
                        • S
                          scottalanmiller
                          last edited by

                          We need to find the missing array before we can do anything else. As @romo mentioned we need to scan and see if the array is out there somewhere.

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

                            0_1447092654693_2015-11-09_13-10-40.png

                            R 1 Reply Last reply Reply Quote 0
                            • D
                              DustinB3403
                              last edited by

                              Running

                                  mount md0
                              

                              results in

                                 mount: mount point /mnt/raid10 does not exist
                              
                              1 Reply Last reply Reply Quote 0
                              • S
                                scottalanmiller
                                last edited by

                                mkdir /mnt/raid10

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                                • R
                                  Romo @DustinB3403
                                  last edited by

                                  @DustinB3403 what is in your mdadm.conf?

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

                                    Can't find

                                        md0 in /etc/fstab or /etc/mtab
                                    
                                    S 1 Reply Last reply Reply Quote 0
                                    • S
                                      scottalanmiller @DustinB3403
                                      last edited by

                                      @DustinB3403 said:

                                      Can't find

                                          md0 in /etc/fstab or /etc/mtab
                                      

                                      Should not be there, right?

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

                                        @Romo said:

                                        @DustinB3403 what is in your mdadm.conf?

                                        0_1447093272983_2015-11-09_13-21-02.png

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

                                          @scottalanmiller said:

                                          @DustinB3403 said:

                                          Can't find

                                              md0 in /etc/fstab or /etc/mtab
                                          

                                          Should not be there, right?

                                          I added an entry into fstab. It may have a typo...

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

                                            fstab

                                            0_1447093339301_2015-11-09_13-22-06.png

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