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Initial RAID 5 Configuration for Later RAID 6 Expansion
I’m an “aspirant,” not a guru. I just received a ReadyNAS RN628X, which will become the main NAS with my 7-year-old Ultra 6 Plus as backup. After installing 6+ drives of mixed capacity in the 628, I ...
Aborted the attempt to answer my own questions:
coloatty wrote:
Initially, I need at least a volume with at least 16TB usable. In the future, I want to use disks with the following capacities: 8TB, 4TB, 2TB, and 1TB. Currently, I only have 3 drives of each capacity, but I expect to buy additional 8TB drives over time.
Initial Configuration: I am going to restart the 628 with a Factory Default and five of the following drives for an initial RAID 5 volume: 2x8TB, 1x4TB, 1x2TB, and 1x1TB. My understanding is that, in general terms, the volume will have the following RAID 5 layers with single redundancy: 8TB, 4TB, 2TB, and 1TB.
I realize that the Initial Configuration adds up 15TB of usable capacity, but that instead of 16TB will be enough to start.
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