Why Disk Alignment is important (and how to fix a misaligned VM) | Blue Shift

If a VMFS is formatted with a 1MB block size, the max size of a single VMDK file is 256GB. If you wanted to have anything bigger, you’d need to move the VMDK to a VMFS with a bigger block size to expand the VMDK beyond 256GB. 1MB: max 256GB 2MB ...

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