Smartctl info for nvme

nvme smart-log /dev/nvme0

Smart Log for NVME device:nvme0 namespace-id:ffffffff
critical_warning                    : 0
temperature                         : 26 C
available_spare                     : 100%
available_spare_threshold           : 10%
percentage_used                     : 0%
data_units_read                     : 174,995
data_units_written                  : 283,289
host_read_commands                  : 2,327,186
host_write_commands                 : 842,433
controller_busy_time                : 2
power_cycles                        : 2
power_on_hours                      : 2
unsafe_shutdowns                    : 0
media_errors                        : 0
num_err_log_entries                 : 0
Warning Temperature Time            : 0
Critical Composite Temperature Time : 0
Temperature Sensor 1                : 26 C
Temperature Sensor 2                : 47 C
Temperature Sensor 3                : 0 C
Temperature Sensor 4                : 0 C
Temperature Sensor 5                : 0 C
Temperature Sensor 6                : 0 C
Temperature Sensor 7                : 0 C
Temperature Sensor 8                : 0 C

NVME intel performance on CentOS7.3

[root@c1701 ~]# hdparm -tT   --direct /dev/nvme0n1



/dev/nvme0n1:

 Timing O_DIRECT cached reads:   2512 MB in  2.00 seconds = 1255.72 MB/sec

 Timing O_DIRECT disk reads: 3604 MB in  3.00 seconds = 1200.83 MB/sec

[root@c1701 ~]# hdparm -tT   --direct /dev/nvme0n1



/dev/nvme0n1:

 Timing O_DIRECT cached reads:   2398 MB in  2.00 seconds = 1198.11 MB/sec

 Timing O_DIRECT disk reads: 3720 MB in  3.00 seconds = 1239.86 MB/sec

[root@c1701 ~]#