nvme is comming

[laa88rf]

Added some information from smartctl:

root@xps:~# smartctl -a /dev/nvme0 
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.8.0-44-generic] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Number:                       WDS500G3X0C-00SJG0
Serial Number:                      202********D8
Firmware Version:                   111110WD
PCI Vendor/Subsystem ID:            0x15b7
IEEE OUI Identifier:                0x001b44
Total NVM Capacity:                 500 107 862 016 [500 GB]
Unallocated NVM Capacity:           0
Controller ID:                      8215
Number of Namespaces:               1
Namespace 1 Size/Capacity:          500 107 862 016 [500 GB]
Namespace 1 Formatted LBA Size:     512
Namespace 1 IEEE EUI-64:            001b44 8b46ff2b25
Local Time is:                      Fri Mar 12 19:14:22 2021 +05
Firmware Updates (0x14):            2 Slots, no Reset required
Optional Admin Commands (0x0017):   Security Format Frmw_DL Self_Test
Optional NVM Commands (0x005f):     Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat Timestmp
Maximum Data Transfer Size:         128 Pages
Warning  Comp. Temp. Threshold:     84 Celsius
Critical Comp. Temp. Threshold:     88 Celsius
Namespace 1 Features (0x02):        NA_Fields

Supported Power States
St Op     Max   Active     Idle   RL RT WL WT  Ent_Lat  Ex_Lat
 0 +     5.50W       -        -    0  0  0  0        0       0
 1 +     3.50W       -        -    1  1  1  1        0       0
 2 +     3.00W       -        -    2  2  2  2        0       0
 3 -   0.0700W       -        -    3  3  3  3     4000   10000
 4 -   0.0025W       -        -    4  4  4  4     4000   40000

Supported LBA Sizes (NSID 0x1)
Id Fmt  Data  Metadt  Rel_Perf
 0 +     512       0         2
 1 -    4096       0         1

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02)
Critical Warning:                   0x00
Temperature:                        47 Celsius
Available Spare:                    100%
Available Spare Threshold:          10%
Percentage Used:                    0%
Data Units Read:                    1 311 979 [671 GB]
Data Units Written:                 9 020 390 [4,61 TB]
Host Read Commands:                 14 299 841
Host Write Commands:                152 114 561
Controller Busy Time:               282
Power Cycles:                       38
Power On Hours:                     955
Unsafe Shutdowns:                   17
Media and Data Integrity Errors:    0
Error Information Log Entries:      1
Warning  Comp. Temperature Time:    0
Critical Comp. Temperature Time:    0

Error Information (NVMe Log 0x01, max 256 entries)
No Errors Logged

Result:

 ./smartmon.sh 
# HELP smartmon_smartctl_version SMART metric smartctl_version
# TYPE smartmon_smartctl_version gauge
smartmon_smartctl_version{version="7.1"} 1
# HELP smartmon_47 Celsius SMART metric 47 Celsius
# TYPE smartmon_47 Celsius gauge
smartmon_47 Celsius
# HELP smartmon_available_spare_raw_value SMART metric available_spare_raw_value
# TYPE smartmon_available_spare_raw_value gauge
smartmon_available_spare_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 100
# HELP smartmon_available_spare_threshold SMART metric available_spare_threshold
# TYPE smartmon_available_spare_threshold gauge
smartmon_available_spare_threshold{disk="/dev/nvme0",type="nvme",smart_id="255"} 10
# HELP smartmon_controller_busy_time_raw_value SMART metric controller_busy_time_raw_value
# TYPE smartmon_controller_busy_time_raw_value gauge
smartmon_controller_busy_time_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 282
# HELP smartmon_device_active SMART metric device_active
# TYPE smartmon_device_active gauge
smartmon_device_active{disk="/dev/nvme0",type="nvme"} 1
# HELP smartmon_device_info SMART metric device_info
# TYPE smartmon_device_info gauge
smartmon_device_info{disk="/dev/nvme0",type="nvme",vendor="",product="",revision="",lun_id="",model_family="",device_model="",serial_number="202********8",firmware_version="111110WD"} 1
# HELP smartmon_device_smart_available SMART metric device_smart_available
# TYPE smartmon_device_smart_available gauge
smartmon_device_smart_available{disk="/dev/nvme0",type="nvme"} 0
# HELP smartmon_device_smart_enabled SMART metric device_smart_enabled
# TYPE smartmon_device_smart_enabled gauge
smartmon_device_smart_enabled{disk="/dev/nvme0",type="nvme"} 0
# HELP smartmon_device_smart_healthy SMART metric device_smart_healthy
# TYPE smartmon_device_smart_healthy gauge
smartmon_device_smart_healthy{disk="/dev/nvme0",type="nvme"} 1
# HELP smartmon_error_information_log_entries_raw_value SMART metric error_information_log_entries_raw_value
# TYPE smartmon_error_information_log_entries_raw_value gauge
smartmon_error_information_log_entries_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 1
# HELP smartmon_host_read_commands_raw_value SMART metric host_read_commands_raw_value
# TYPE smartmon_host_read_commands_raw_value gauge
smartmon_host_read_commands_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 14339025
# HELP smartmon_host_write_commands_raw_value SMART metric host_write_commands_raw_value
# TYPE smartmon_host_write_commands_raw_value gauge
smartmon_host_write_commands_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 152331211
# HELP smartmon_media_and_data_integrity_errors_count_raw_value SMART metric media_and_data_integrity_errors_count_raw_value
# TYPE smartmon_media_and_data_integrity_errors_count_raw_value gauge
smartmon_media_and_data_integrity_errors_count_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 0
# HELP smartmon_percentage_used_raw_value SMART metric percentage_used_raw_value
# TYPE smartmon_percentage_used_raw_value gauge
smartmon_percentage_used_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 0
# HELP smartmon_power_cycles_count_raw_value SMART metric power_cycles_count_raw_value
# TYPE smartmon_power_cycles_count_raw_value gauge
smartmon_power_cycles_count_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 38
# HELP smartmon_power_on_hours_raw_value SMART metric power_on_hours_raw_value
# TYPE smartmon_power_on_hours_raw_value gauge
smartmon_power_on_hours_raw_value{disk="/dev/nvme0",type="nvme",smart_id="9"} 957
# HELP smartmon_smartctl_run SMART metric smartctl_run
# TYPE smartmon_smartctl_run gauge
smartmon_smartctl_run{disk="/dev/nvme0",type="nvme"} 1615569993
# HELP smartmon_temperature_celsius_raw_value SMART metric temperature_celsius_raw_value
# TYPE smartmon_temperature_celsius_raw_value gauge
smartmon_temperature_celsius_raw_value{disk="/dev/nvme0",type="nvme",smart_id="194"} 47
# HELP smartmon_unsafe_shutdowns_count_raw_value SMART metric unsafe_shutdowns_count_raw_value
# TYPE smartmon_unsafe_shutdowns_count_raw_value gauge
smartmon_unsafe_shutdowns_count_raw_value{disk="/dev/nvme0",type="nvme",smart_id="255"} 17

not in the branch:

Data Units Read:                    1 311 979 [671 GB]
Data Units Written:                 9 020 390 [4,61 TB]
Warning  Comp. Temperature Time:    0
Critical Comp. Temperature Time:    0

[laa88rf]

Sorry. It's my first pull request.