samsung 980 pcie3.0*4，上机后执行命令：
sudo nvme sanitize -a 2 /dev/nvme1
瞬间完成，使用命令sudo nvme sanitize-log -H /dev/nvme1查看状态如下：
Sanitize Progress (SPROG) : 22294 (34.017944%)
Sanitize Status (SSTAT) : 0x2
[2:0] Sanitize in Progress.
[7:3] Number of completed passes if most recent operation was overwrite: 0
[8] Global Data Erased set: no NS LB in the NVM subsystem has been written to and no PMR in the NVM subsystem has been enabled
Sanitize Command Dword 10 Information (SCDW10) : 0x2
Estimated Time For Overwrite : 4294967295 (No time period reported)
Estimated Time For Block Erase : 4294967295 (No time period reported)
Estimated Time For Crypto Erase : 4294967295 (No time period reported)
Estimated Time For Overwrite (No-Deallocate) : 4294967295 (No time period reported)
Estimated Time For Block Erase (No-Deallocate) : 4294967295 (No time period reported)
Estimated Time For Crypto Erase (No-Deallocate): 4294967295 (No time period reported)
进度已经(34.017944%)
再次运行sudo nvme sanitize-log -H /dev/nvme1，输出如下：
Sanitize Progress (SPROG) : 65535
Sanitize Status (SSTAT) : 0x1
[2:0] Most Recent Sanitize Command Completed Successfully.
[7:3] Number of completed passes if most recent operation was overwrite: 0
[8] Global Data Erased set: no NS LB in the NVM subsystem has been written to and no PMR in the NVM subsystem has been enabled
Sanitize Command Dword 10 Information (SCDW10) : 0x2
Estimated Time For Overwrite : 4294967295 (No time period reported)
Estimated Time For Block Erase : 4294967295 (No time period reported)
Estimated Time For Crypto Erase : 4294967295 (No time period reported)
Estimated Time For Overwrite (No-Deallocate) : 4294967295 (No time period reported)
Estimated Time For Block Erase (No-Deallocate) : 4294967295 (No time period reported)
Estimated Time For Crypto Erase (No-Deallocate): 4294967295 (No time period reported)
应该是已经完成了。
我的理解，命令：
sudo nvme sanitize -a 2 /dev/nvme1应该需要运行几个小时才对。
不到10秒就完成，太快了，这正常么？