etsjessey Posted October 31, 2018 Share Posted October 31, 2018 I am curious about parity backups pertaining to the cache drives. I have a setup in mind but want to know from the pros on here wether this would work or not... I have 4 - 4tb WD RE Drives. What I thought I would do is make a raid 0 cache from two of the drives and use the other two as parity disks. Would this configuration actually work first of all? Second, how is unraid with 10GB fiber connections? This is the reason I am looking for the performance boost of a raid 0. Quote Link to comment
trurl Posted October 31, 2018 Share Posted October 31, 2018 Parity doesn't backup anything. It just provides some redundancy to disks in the array. Parity plus all other disks in the array are needed to allow a disk to be recovered. Disks in the cache pool aren't in the parity array. And you must have at least one data disk in the array. Quote Link to comment
etsjessey Posted October 31, 2018 Author Share Posted October 31, 2018 (edited) So only disks in the array can backup shares from cache disks....and only parity disks can backup parity bits for the disk array...but I also can't use only cache disk to make a raid 10. Well, back to the drawing board. Thanks for your help! Edited October 31, 2018 by etsjessey Quote Link to comment
trurl Posted October 31, 2018 Share Posted October 31, 2018 10 minutes ago, etsjessey said: So only disks in the array can backup shares from cache disks....and only parity disks can backup parity bits for the disk array...but I also can't use only cache disk to make a raid 10. Well, back to the drawing board. Thanks for your help! Array disks don't backup cache disks either. Take a look at this wiki for a better overview of how Unraid storage works: https://wiki.unraid.net/UnRAID_6/Overview Quote Link to comment
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