Hello Saad_Smart
Actually it doesn't really work like 3+1 as it uses distributed parity bits and thus all 4 sub-components per data Object will be of equal size (as they all contain both data and parity data).
While individual Objects Data will only be spread over 4 nodes (unless they are massive), as you add more data Objects these will be distributed across more nodes on a lowest-used space priority (and allowing for compliance with the Storage Policy with regard to colocation placement).
Either way, your data will be FTT=1 regardless of which node it resides on.
Bob
