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