Block-level cloning copies data by bypassing any ... Hard-drive data is organized on the disk in a large circular grid with each grid point being called a "block" or "sector" (read more about ...

Block level storage sales have gone through the roof as more businesses realize its flexibility. File level storage is still a better option when you just need a place to dump raw files.

it cannot be overwritten in place and must be written elsewhere until the block can be garbage collected – i.e. they can be written to at a byte level but need to erase at a block level.

"Although I was a bit leery of using third-party hard-disk drivers, it was the only way I could think of to change the minimum allocation block size. I booted into Mac OS 9 from a custom boot CD ...