AY.Z Posted October 18, 2023 Share Posted October 18, 2023 (edited) Hi. I have been using Unraid Basic version user for little over six months. My current setup is Cache 2 disks. Parity 14 Tb X 1. Array 8Tb + 4Tb + 2Tb. So currently, Array capacity = Parity capacity My understanding was and still is that The array storage capacity shouldn’t be more than the parity’s storage capacity Am I right here or there’s something I am not getting at all ? I know somewhere down the line I will have to increase my array capacity. let’s say I want to replace my 2Tb disk with 14 Tb disk, would that be possible without adding another parity drive with my current basic version? Thanks. Edited October 18, 2023 by AY.Z Clarification. Quote Link to comment
Solution TastyTomato512 Posted October 18, 2023 Solution Share Posted October 18, 2023 Hi The size of a single array drive must not be bigger than the size of a single parity drive. So the total size of the array can very well exceed the total parity size. Since your parity drive is 14TB, you can "only" use array drives with 14TB max. So that means for your use case, you can already now swap your existing 2TB drive with an 14TB drive without having to adjust parity. In fact, you could do that with all of your array drives. HTH 1 Quote Link to comment
Kilrah Posted October 18, 2023 Share Posted October 18, 2023 The parity drive just has to be larger or equal than the biggest data drive, but that's the only limitation. You can have 28x 14TB data drives if you want. 1 Quote Link to comment
AY.Z Posted October 18, 2023 Author Share Posted October 18, 2023 Thank you guys. This was really helpful. Quote Link to comment
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