Which is the block size on the VMFS6 datastore?
All small and large file blocks are 8MB.
All small and large file blocks are 1MB.
Small file blocks are 512KB. large file blocks are 64MB.
Small file blocks are 1MB, large file blocks are 512MB.
File Block Format
VMFS-6 introduces two new block sizes, referred to as small file block (SFB) and large file block (LFB).
While the SFB size can range from 64KB to 1MB for future use-cases, VMFS-6 in vSphere 6.5 is utilizing an
SFB size of 1MB only. The LFB size is set to 512MB.Reference: https://www.google.pl/url?