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    Building Out XenServer 6.5 with USB Boot and Software RAID 10

    Scheduled Pinned Locked Moved IT Discussion
    xenvirtualizationxenserverxenserver 6.5how to
    182 Posts 13 Posters 65.3k Views
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    • DustinB3403D
      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
      • RomoR
        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

        1 Reply Last reply Reply Quote 0
        • DustinB3403D
          DustinB3403
          last edited by

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

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

          1 Reply Last reply Reply Quote 0
          • DustinB3403D
            DustinB3403
            last edited by

            This is mdadm --details

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

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            • DustinB3403D
              DustinB3403
              last edited by DustinB3403

              and cat /proc/mdstat

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

              scottalanmillerS RomoR 2 Replies Last reply Reply Quote 0
              • scottalanmillerS
                scottalanmiller @DustinB3403
                last edited by

                @DustinB3403 said:

                and cat /proc/mdstat

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

                patience.....

                1 Reply Last reply Reply Quote 0
                • DustinB3403D
                  DustinB3403
                  last edited by

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

                  1 Reply Last reply Reply Quote 0
                  • DustinB3403D
                    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
                    • RomoR
                      Romo @DustinB3403
                      last edited by

                      @DustinB3403 can you run

                      mdadm --examine --scan

                      1 Reply Last reply Reply Quote 2
                      • scottalanmillerS
                        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
                        • DustinB3403D
                          DustinB3403
                          last edited by

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

                          RomoR 1 Reply Last reply Reply Quote 0
                          • DustinB3403D
                            DustinB3403
                            last edited by

                            Running

                                mount md0
                            

                            results in

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

                              mkdir /mnt/raid10

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

                                @DustinB3403 what is in your mdadm.conf?

                                DustinB3403D 1 Reply Last reply Reply Quote 1
                                • DustinB3403D
                                  DustinB3403
                                  last edited by

                                  Can't find

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

                                    @DustinB3403 said:

                                    Can't find

                                        md0 in /etc/fstab or /etc/mtab
                                    

                                    Should not be there, right?

                                    DustinB3403D 1 Reply Last reply Reply Quote 0
                                    • DustinB3403D
                                      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
                                      • DustinB3403D
                                        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
                                        • DustinB3403D
                                          DustinB3403
                                          last edited by

                                          fstab

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

                                          1 Reply Last reply Reply Quote 0
                                          • DustinB3403D
                                            DustinB3403
                                            last edited by

                                            fstab corrected, entry reversed.

                                                 mount raid10
                                            mount: /mnt/raid10 is not a block device
                                            
                                            1 Reply Last reply Reply Quote 0
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