[email protected] Posted December 19, 2020 Share Posted December 19, 2020 (edited) i'm using a 12tb drive as a parity drive right now. that makes 12tb the max drive size i can add to the array. if i add a 2nd parity drive at 18tb - then that means i can add 18tb drives to my array? thx i'm currently running 12tb - parity 3tb 12tb 8tb and have 12 trays open Edited December 19, 2020 by [email protected] Quote Link to comment
JonathanM Posted December 19, 2020 Share Posted December 19, 2020 17 minutes ago, [email protected] said: i'm using a 12tb drive as a parity drive right now. that makes 12tb the max drive size i can add to the array. if i add a 2nd parity drive at 18tb - then that means i can add 18tb drives to my array? No. Data drives may not be larger than either parity drive. https://wiki.unraid.net/Parity Quote Link to comment
[email protected] Posted December 19, 2020 Author Share Posted December 19, 2020 oh so data drives can only be as big as the smallest parity drive? if i'm understanding correctly? Quote Link to comment
JonathanM Posted December 19, 2020 Share Posted December 19, 2020 7 minutes ago, [email protected] said: oh so data drives can only be as big as the smallest parity drive? if i'm understanding correctly? Yep. Parity is the sum of the bits across all the drives at a specific address. If the parity drive was smaller, it wouldn't have a spot to keep track of that bit. Quote Link to comment
[email protected] Posted December 19, 2020 Author Share Posted December 19, 2020 got it. thx. so i'd need to upgrade my parity drive then to run larger data drives Quote Link to comment
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