I wrote some Python glue that constructed a bunch of dd commands to run concurrently which helped when I last cloned a 1TB NVMe drive. Resulting commands:

I wrote some Python glue that constructed a bunch of dd commands to run concurrently which helped when I last cloned a 1TB NVMe drive. Resulting commands: dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=0 seek=0 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=1302349 seek=1302349 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=2604698 seek=2604698 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=3907047 seek=3907047 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=5209396 seek=5209396 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=6511745 seek=6511745 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=7814094 seek=7814094 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=9116443 seek=9116443 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=10418792 seek=10418792 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=11721141 seek=11721141 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=13023490 seek=13023490 count=1302349 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=65536 skip=14325839 seek=14325839 count=1302358 status=progress & dd if=/dev/nvd0 of=/dev/nvd1 bs=4096 skip=15628197 seek=15628197 count=6 status=progress &