Setting up RAID 1 (Mirroring) using ‘Two Disks’ in Linux – Part 3

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Babin Lonston

I'm Working as a System Administrator for last 10 year's with 4 years experience with Linux Distributions, fall in love with text based operating systems.

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40 Responses

  1. jtl says:

    Hello. Thank you for writing this article. After unplugging a drive and seeing the data is still available, when I plug the drive back in, what do I do? In other words, how do I repair/replace a failed hard drive in RAID1?

  2. Naguinix says:

    Beautiful, Thanks a lot from Colombia !

  3. Charles R says:

    Using Ubuntu 15.10 the mount command will cause the OS not to boot. It tested fine via the above instructions (I had moved GBs of data to it before booting) however when booting Ubuntu stated /dev/md0 didn’t exist. I had to boot off a USB stick and remove the mount from fstab. Then it booted fine and I used the Disks app to auto mount the RAID. Which works great.

    Also mdadm.conf is located in /etc/mdadm/.

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