SMART Werte von nvme auslesen

SMART Werte von NVMe SSDs auslesen

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Das Kommando "smartctl" hat erst seit Version 6.5 einen experimentellen Support für NVMe SSDs. Eine solche Version steht mit Ubuntu 14.04, 16.04 sowie Debian Jessie noch nicht zur Verfügung. Für Debian Jessie ist es via "jessie-backports" erhältlich. Wenn man trotzdem Werte auslesen möchte, kann man statt "smartctl" alternativ das Tool "nvme" vom Paket "nvme-cli" verwenden.

Abfrage der SMART Werte mit nvme-cli

1. apt-get install nvme-cli

1. nvme list

Node SN Model Namespace Usage Format FW Rev

---

---------------------------------------- --------- -------------------------- ---------------- --------

/dev/nvme0n1 XXXXXXXXXXXXXXXXXX INTEL SSDPEDMD400G4 1 400.09 GB / 400.09 GB 512 B + 0 B XXXXXXXX

1. nvme --smart-log /dev/nvme0n1

Smart Log for NVME device:nvme0n1 namespace-id:ffffffff critical_warning : 0

temperature : 29

C available_spare : 100%

available_spare_threshold : 10%

percentage_used : 1%

data_units_read : 380,891,708

data_units_written : 285,976,030

host_read_commands : 17,185,256,995

host_write_commands : 11,740,522,779

controller_busy_time : 0 power_cycles : 158

power_on_hours : 3,026

unsafe_shutdowns : 0

media_errors : 0

num_err_log_entries : 0

Warning Temperature Time : 0

Critical Composite Temperature Time : 0

Temperature Sensor 1 : 0 C

Temperature Sensor 2 : 0 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

1. nvme --smart-log-add /dev/nvme0n1

Additional Smart Log for NVME device:nvme0n1 namespace-id:ffffffff key normalized raw program_fail_count : 100% 0 erase_fail_count : 100% 0 wear_leveling : 99% min: 347, max: 395, avg: 370 end_to_end_error_detection_count: 100% 0 crc_error_count : 100% 0 timed_workload_media_wear : 100% 63.999% timed_workload_host_reads : 100% 65535% timed_workload_timer : 100% 65535 min thermal_throttle_status : 100% 0%, cnt: 0 retry_buffer_overflow_count : 100% 0 pll_lock_loss_count : 100% 1 nand_bytes_written : 100% sectors: 6312528 host_bytes_written : 100% sectors: 4363647

Abfrage der SMART Werte mit smartctl

Das Kommando "smartctl" unterstützt erst seit Version 6.5 das Auslesen der NVMe SSDs. Zusätzlich muss noch darauf geachtet werden, dass der Device Name ohne Namespace angegeben werden muss.

1. apt-get install smartmontools

1. smartctl -a /dev/nvme0

smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.4.0-98-generic] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

START OF INFORMATION SECTION

Model Number: INTEL SSDPEDMD400G4 Serial Number: XXXXXXXXXXXXXXXXXX Firmware Version: XXXXXXXXX PCI Vendor/Subsystem ID: 0x8086 IEEE OUI Identifier: 0x5cd2e4 Controller ID: 0 Number of Namespaces: 1 Namespace 1 Size/Capacity: 400,088,457,216 [400 GB] Namespace 1 Formatted LBA Size: 512 Local Time is: Wed Nov 22 12:56:42 2017 CET Firmware Updates (0x02): 1 Slot Optional Admin Commands (0x0006): Format Frmw_DL Optional NVM Commands (0x0006): Wr_Unc DS_Mngmt Maximum Data Transfer Size: 32 Pages

Supported Power States St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat

0 +    25.00W       -        -    0  0  0  0        0       0

Supported LBA Sizes (NSID 0x1) Id Fmt Data Metadt Rel_Perf

0 +     512       0         2
1 -     512       8         2
2 -     512      16         2
3 -    4096       0         0
4 -    4096       8         0
5 -    4096      64         0
6 -    4096     128         0

START OF SMART DATA SECTION

SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff) Critical Warning: 0x00 Temperature: 29 Celsius Available Spare: 100% Available Spare Threshold: 10% Percentage Used: 1% Data Units Read: 380,891,746 [195 TB] Data Units Written: 285,976,046 [146 TB] Host Read Commands: 17,185,258,529 Host Write Commands: 11,740,524,085 Controller Busy Time: 0 Power Cycles: 158 Power On Hours: 3,026 Unsafe Shutdowns: 0 Media and Data Integrity Errors: 0 Error Information Log Entries: 0

Error Information (NVMe Log 0x01, max 64 entries) No Errors Logged

1. smartctl -l error /dev/nvme0

smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.4.0-98-generic] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

START OF SMART DATA SECTION

Error Information (NVMe Log 0x01, max 64 entries) No Errors Logged

1. smartctl -H /dev/nvme0

smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.4.0-98-generic] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

START OF SMART DATA SECTION

SMART overall-health self-assessment test result: PASSED