YMTC232層耐久テスト＠2か月経過

YMTC232層NAND採用のSSDを録画鯖のTS一時置き場に使用して耐久試験をしている。メーカーは確かMonsterStorage。
これは2か月経ったSMART情報。169TB書き込み済み（TBW 2000TB この勢いだと2年で尽きる）。特に異常なし。

mugi@rec:~$ sudo smartctl -a /dev/nvme0
[sudo] password for mugi: 
smartctl 7.3 2022-02-28 r5338 [x86_64-linux-6.2.0-24-generic] (local build)
Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Number:                       MS950G75PCIe4 2048G
Serial Number:                      30099591665
Firmware Version:                   SN11273
PCI Vendor/Subsystem ID:            0x1e4b
IEEE OUI Identifier:                0x000000
Total NVM Capacity:                 2,048,408,248,320 [2.04 TB]
Unallocated NVM Capacity:           0
Controller ID:                      0
NVMe Version:                       1.4
Number of Namespaces:               1
Namespace 1 Size/Capacity:          2,048,408,248,320 [2.04 TB]
Namespace 1 Formatted LBA Size:     512
Namespace 1 IEEE EUI-64:            000000 0000000002
Local Time is:                      Sun Sep  3 01:18:14 2023 JST
Firmware Updates (0x16):            3 Slots, no Reset required
Optional Admin Commands (0x0017):   Security Format Frmw_DL Self_Test
Optional NVM Commands (0x001f):     Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat
Log Page Attributes (0x02):         Cmd_Eff_Lg
Maximum Data Transfer Size:         128 Pages
Warning  Comp. Temp. Threshold:     90 Celsius
Critical Comp. Temp. Threshold:     95 Celsius

Supported Power States
St Op     Max   Active     Idle   RL RT WL WT  Ent_Lat  Ex_Lat
 0 +     6.50W       -        -    0  0  0  0        0       0
 1 +     5.80W       -        -    1  1  1  1        0       0
 2 +     3.60W       -        -    2  2  2  2        0       0
 3 -   0.0500W       -        -    3  3  3  3     5000   10000
 4 -   0.0025W       -        -    4  4  4  4     8000   45000

Supported LBA Sizes (NSID 0x1)
Id Fmt  Data  Metadt  Rel_Perf
 0 +     512       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:                        42 Celsius
Available Spare:                    100%
Available Spare Threshold:          1%
Percentage Used:                    8%
Data Units Read:                    300,903,383 [154 TB]
Data Units Written:                 331,248,563 [169 TB]
Host Read Commands:                 1,198,648,169
Host Write Commands:                399,975,565
Controller Busy Time:               10,500
Power Cycles:                       44
Power On Hours:                     1,673
Unsafe Shutdowns:                   5
Media and Data Integrity Errors:    0
Error Information Log Entries:      0
Warning  Comp. Temperature Time:    0
Critical Comp. Temperature Time:    0
Temperature Sensor 1:               42 Celsius
Temperature Sensor 2:               41 Celsius

Error Information (NVMe Log 0x01, 16 of 64 entries)
No Errors Logged