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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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    • 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

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          • 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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              • D
                DustinB3403
                last edited by

                fstab corrected, entry reversed.

                     mount raid10
                mount: /mnt/raid10 is not a block device
                
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                • R
                  Romo
                  last edited by

                  Your could run

                  mdadm --examine --scan >> /etc/mdadm/mdadm.conf

                  To recreate the conf and see if it fixes the problem. /dev/md/0 should be a symbolic link to /dev/md0

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

                    @Romo Same response when reexamining the disks. this is for both

                    mount /mnt/raid10 && mount /dev/md10
                    

                    0_1447093679739_2015-11-09_13-27-40.png

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                    • D
                      dafyre
                      last edited by

                      mount /dev/md0 /mnt/raid10 ?

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

                        /dev/md0 not md10

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                        • S
                          scottalanmiller
                          last edited by

                          Using RAID 10 in names anywhere is very confusing and hard to read. I think several of these issues are partially stemming just from poor naming conventions. Name mount points by purpose, not technology.

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

                            You can't mount /dev/md0, because according to the mdadm --examine --scan ouput, the array, is at /dev/md/0

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

                              @Romo said:

                              You can't mount /dev/md0, because according to the mdadm --examine --scan ouput, the array, is at /dev/md/0

                              Good eye, that was hard to see.

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                              • R
                                Romo
                                last edited by

                                What is the ouput for:
                                cat /dev/md/md-device-map

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                                • D
                                  DustinB3403
                                  last edited by DustinB3403

                                  cat /dev/md/md-device-map
                                  cat: /dev/md/md-device-map: No such file or directory
                                  
                                  R 1 Reply Last reply Reply Quote 0
                                  • R
                                    Romo @DustinB3403
                                    last edited by

                                    @DustinB3403
                                    ls /dev/ | grep md

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

                                      0_1447096524174_2015-11-09_14-15-08.png

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                                      • R
                                        Romo
                                        last edited by

                                        @DustinB3403 can you please show us the output of your mdadm.conf file, last time I believe it was cut off because the UUID's dont show.

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

                                          @Romo 0_1447098513375_2015-11-09_14-48-15.png

                                          There is now a new record (3rd line)

                                          1 Reply Last reply Reply Quote 0
                                          • Reid CooperR
                                            Reid Cooper
                                            last edited by

                                            That can't be right. I'm sure only one of those lines is supposed to be there.

                                            1 Reply Last reply Reply Quote 0
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