mdadm changes the name of my new array to md127... topic

Hello everyone,

This has been bugging me for some time now. Every time I create a new array using mdadm the name is changed from what I originally specified.

Here's what I'm doing.

Created the array from two new disks:

Code:

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mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sdc1 /dev/sdd1

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Made the filesystem:

Code:

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mkfs.ext3 /dev/md0

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Updated mdadm.conf:

Code:

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

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Added the array to /etc/fstab:

Code:

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/dev/md0 /mnt/mymountpoint ext3 defaults 0 1

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Everything looks great... until I reboot the machine.

Upon reboot I receive the message that the filesystem on /dev/md0 is either missing or busy. I skip this... and then discover that my new array is no longer called /dev/md0.

Now, it is /dev/md127.

What am I doing wrong? This happens every time I create an array and on multiple different systems. I'm assuming that I'm just being an idiot here but your help is greatly appreciated as I would prefer for my arrays to retain the name I specify when creating them.

Thank you!