October 31, 20187 yr 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.
October 31, 20187 yr Community Expert 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.
October 31, 20187 yr Author 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, 20187 yr by etsjessey
October 31, 20187 yr Community Expert 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
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