Tobias/Breakout-ATX-RAID
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2026-06-07 12:34:20 +01:00
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The server that runs tobiastime.xyz and various services I utilize daily is actually a SFF PC from 2012. Due to it's tiny size I can't fit harddrives within the machine's case, they must exist outside of it.
Previously I utilized an external USB drive bay for mass storage, however I wanted to implement redundancy and fault tolerance for my disks. Due to my device's relatively weak CPU software level RAID via mdadm was out of the question, I needed a dedicated hardware controller.
Previously I utilized an external USB drive bay for mass storage, however I wanted to implement redundancy and fault tolerance for my disks. Due to my device's relatively weak CPU, as well as heavy performance limitations, software level RAID via mdadm was out of the question, I needed a dedicated hardware controller.
From what I researched there does not exist a consumer-grade external USB drive bay that supports RAID and can house as many drives as I wish to connect (8). Consequently I began to blueprint my custom RAID storage solution. I had two demands from the solution, #1 that it functions, and #2 that it is affordable.
@@ -40,7 +40,7 @@ RAID controller / array is managed from within the Linux OS utilizing MegaCLI
- Total storage: 32TB raw, 24TB usable
- Acts as a single logical ext4 drive
- Auto-mounted via UUID with fstab
- Data migrated from old drives via rsync before they were decomissioned
- Data migrated from old drives with rsync, after which they were decommissioned
I chose RAID 6 as the drives which I am using within the array were sourced 2nd hand, I am willing to sacrifice storage for the safety and redundancy dual parity provides with these riskier drives.