$ sudo lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 4G 0 loop /var/tmp
nvme0n1 259:0 0 500G 0 disk
├─nvme0n1p1 259:1 0 1M 0 part
└─nvme0n1p2 259:2 0 300G 0 part /
$ sudo fdisk -l / dev / nvme0n1p2
Disk /dev/nvme0n1p2: 322.1 GB, 322120433152 bytes, 629141471 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
谢谢！