ReFS
Here are my articles related to ReFS (Microsoft's Resilient File System).
Red Dead Redemption II
vv
Installed Red Dead Redemption II on a ReFS volume with deduplication. Downloaded all those 120G in full, later to discover that ReFS deduped it in half...
BSOD in ReFS.SYS
vv
Today I got a BSOD in ReFS.SYS, during a huge download onto a ReFS volume with deduplication enabled. Not sure what exactly caused it, but the downloaded data was verified, then resumed ok.
NTFS Deduplication saga ended
vv
All my troubles with NTFS Deduplication ended with reformatting those volumes as ReFS.