Odczyt wartośći SMART z dysku SSD NVMe
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Komenda "smartctl" oferuje dopiero od wersji 6.5 eksperymentalne wsparcie dla dysków SSD typu NVMe. Ta wersja nie jest jeszcze oficjalnie dostępna w Ubuntu 14.04, 16.04 jaki i w Debianie Jessie. W Debianie Jessie jest ona dostępna przez tak zwane "jessie-backports". Pomimo tego wartości SMART mogą zostać odczytane za pośrednictwem narzędzia "nvme" z pakietu "nvme-cli", zamiast z "smartctl".
Odczyt wartości SMART z nvme-cli
# apt-get install nvme-cli # 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 # 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 # 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
Odczyt wartości SMART z smartctl
Komenda "smartctl" dopiero od wersji 6.5[1] umożliwia odczyt wartości SMART z dysków SSD typu NVMe. Ponadto należy pamiętać, że nazwa urządzenia musi zostać podana bez przestrzeni nazw (namespace).
# apt-get install smartmontools # 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 # 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 # 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
Odnośniki
- ↑ NVMe_Support (smartmontools.org)
Autor: Christoph Mitasch
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