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Assuming you already have mdadm installed on the new system ( if not, install it with sudo apt-get install mdadm ), it should be activated automatically if you plug in all of the drives, typically as /dev/md127 or the next lower number available.


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Ok, it looks I found the solution. I have to tell mdadm to use external metadata, as detailed here


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I know this isn't what most people want to hear, however Linux doesn't always play nice with 'fakeraid' that is baked into your BIOS. Instead, I would recommend using a software raid, namely MDADM. You would have to undo your fakeraid, and go back to normal disks first. Example for mdadm RAID 5: Install MDADM apt-get install mdadm Create raid. Adjust ...


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Before you can mount your raid partition you need to make sure you have a filesystem made for that partition. mke2fs -t ext4 -L <label> <block_device> mount <block_device> /media/ahmad


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If it is hardware raid, then it is already taking care of it and you can see the configuration in the bios raid utility ( changing the hardware raid configuration is usually destructive, so you will need to reinstall ). Look for something in the bios POST screens that mention pressing some key for the raid utility. If this is the case you will only see a ...



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