Greetings, I have a Debian server at home running a file server, jellyfin server, among some other things. I also had 4 external drives hooked up to it in a Raid 10 (or is it 1+0?) configuration. The SSD I had the actual server installed on failed overnight and looks to be beyond recovery. So my question is, when I install Debian on a new drive to replace the failed one, is there any method I could use to get the raid array to work with the new server without being rebuilt? From what I have found it looks like that is not possible but I just figured I would ask. The actual raid disks are fine, ironically they are about 8 years old while the SSD was only about 2 and it was the one that failed. No important data was lost, it will just be a bit of a pain to replace everything that was on the server if I have to rebuild the array and lose all of the data. Thanks in advance.

EDIT: Forgot to include that this was setup using mdadm

EDIT2: So it turns out this was not as massive a problem as I thought. I had assumed that since the server that set up the raid array with mdadm was lost, that I would not be able to get back into the array even though the data was still there. That was not the case. As soon as I connected the drives to the new server, mdadm recognized the array. It turns out one of the raid disks had also failed (no idea why but they are old), but I luckily have a spare one so I swapped it in and now have to wait patiently for 12 ish hours for the array to rebuild. In the meantime I got my file share back up and running and confirmed everything is accounted for. So provided there are no other random failures in the next 12 hours everything should turn out fine. Thanks all for your help. Now to get jellyfin installed and running again and I can get back to streaming the same shows over and over…

  • Grunt4300@lemm.eeOP
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    1 year ago

    I forgot to include but yes this is a software array done with mdadm. Thanks for the steps! I will give these a go.