131. parted

parted /dev/sdv mkpart primary 0.0GB 30.0GB parted /dev/sdv mkpart primary 30.0GB 60.0GB parted /dev/sdv mkpart primary 60.0GB 75.0GB parted /dev/sdv mkpart primary 75.0GB 90.0GB parted /dev/sdv mkpart primary 90.0GB 490.0GB parted /dev/sdv mkpart primary 490.0GB 890.0GB

warning the resulting partition is not properly aligned for best performance

131.1. 如何获得扇区最好性能

# cat /sys/block/sdb/queue/optimal_io_size 1048576 # cat /sys/block/sdb/queue/minimum_io_size 262144 # cat /sys/block/sdb/alignment_offset 0 # cat /sys/block/sdb/queue/physical_block_size 512 Add optimal_io_size to alignment_offset and divide the result by physical_block_size. In my case this was (1048576 + 0) / 512 = 2048. This number is the sector at which the partition should start. Your new parted command should look like mkpart primary 2048s 100%

https://rainbow.chard.org/2013/01/30/how-to-align-partitions-for-best-performance-using-parted/

parted -a optimal /dev/sda mkpart primary 0% 4096MB