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