[smartmontools-support] Write amplification using NVMe Endurance Group Log (Log Identifier 09h)

[James]

On 2023-02-04 12:40, Franc Zabkar wrote:
> Could someone tell me whether GSmartControl (Windows) or smartctl 
> (Linux) or any other SMART tool reports the Endurance Group Log (Log 
> Identifier 09h) for NVMe SSDs? I don't have an NVMe SSD to enable me 
> to perform this check.


$ sudo smartctl -a /dev/nvme0n1p1
smartctl 7.3 2022-02-28 r5338 [x86_64-linux-5.19.0-29-generic] (local build)
Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Number:                       KINGSTON RBUSNS8154P3128GJ1
Serial Number:                      50026B7684581795
Firmware Version:                   E8FK12.3
PCI Vendor/Subsystem ID:            0x2646
IEEE OUI Identifier:                0x0026b7
Total NVM Capacity:                 128,035,676,160 [128 GB]
Unallocated NVM Capacity:           0
Controller ID:                      0
NVMe Version:                       1.2
Number of Namespaces:               1
Namespace 1 Size/Capacity:          128,035,676,160 [128 GB]
Namespace 1 Formatted LBA Size:     512
Namespace 1 IEEE EUI-64:            0026b7 6845817955
Local Time is:                      Sat Feb  4 15:46:02 2023 EST
Firmware Updates (0x12):            1 Slot, no Reset required
Optional Admin Commands (0x0007):   Security Format Frmw_DL
Optional NVM Commands (0x001e):     Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat
Log Page Attributes (0x04):         Ext_Get_Lg
Maximum Data Transfer Size:         512 Pages
Warning  Comp. Temp. Threshold:     84 Celsius
Critical Comp. Temp. Threshold:     88 Celsius

Supported Power States
St Op     Max   Active     Idle   RL RT WL WT  Ent_Lat  Ex_Lat
  0 +     7.90W  0.0790W       -    0  0  0  0      600     600
  1 +     7.90W  0.0790W       -    0  0  0  0      600     600
  2 +     7.90W  0.0790W       -    0  0  0  0      600     600
  3 -   0.1000W  0.0790W       -    3  3  3  3     1000    1000
  4 -   0.0050W  0.0790W       -    4  4  4  4   400000   90000

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

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

SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature:                        22 Celsius
Available Spare:                    100%
Available Spare Threshold:          100%
Percentage Used:                    2%
Data Units Read:                    2,414,862 [1.23 TB]
Data Units Written:                 1,859,520 [952 GB]
Host Read Commands:                 27,830,700
Host Write Commands:                30,123,471
Controller Busy Time:               39
Power Cycles:                       515
Power On Hours:                     114
Unsafe Shutdowns:                   12
Media and Data Integrity Errors:    0
Error Information Log Entries:      700
Warning  Comp. Temperature Time:    0
Critical Comp. Temperature Time:    0
Temperature Sensor 2:               22 Celsius

Error Information (NVMe Log 0x01, 16 of 16 entries)
Num   ErrCount  SQId   CmdId  Status  PELoc          LBA  NSID VS
   0        700     0  0x0016  0x0005      -            6     0 -
   1        699     0  0x0015  0x0005      -           12     0 -
   2        698     0  0x000b  0x0004      -   4009754624     1 -
   3        697     0  0x000b  0x0004      -   4009754624     1 -
   4        696     0  0x000b  0x0004      -   4009754624     1 -
   5        695     0  0x000b  0x0004      -   4009754624     1 -
   6        694     0  0x000b  0x0004      -   4009754624     1 -
   7        693     0  0x000b  0x0004      -   4009754624     1 -
   8        692     0  0x000b  0x0004      -   4009754624     1 -
   9        691     0  0x000b  0x0004      -   4009754624     1 -
  10        690     0  0x000b  0x0004      -   4009754624     1 -
  11        689     0  0x000b  0x0004      -   4009754624     1 -
  12        688     0  0x000b  0x0004      -   4009754624     1 -
  13        687     0  0x000b  0x0004      -   4009754624     1 -
  14        686     0  0x000b  0x0004      -   4009754624     1 -
  15        685     0  0x000b  0x0004      -   4009754624     1 -