咨询:SK hynix PC711固态硬盘Media and Data Integrity Errors数值异常
NVMe SSD: Media and Data Integrity Errors 解读及异常数值分析
1. 指标含义
Media and Data Integrity Errors是NVMe SSD SMART健康日志中的一项,统计的是介质或数据完整性相关的错误事件总数,涵盖:
- 读写过程中介质校验失败(如ECC纠错无效)
- 数据传输链路错误
- 固件检测到的数据完整性异常
正常状态下,该数值应为0或极低的个位数,反映磁盘介质和数据传输稳定。
2. 你的SK hynix PC711异常数值分析
从提供的smartctl输出看,尽管这个数值异常庞大,但核心健康指标均显示磁盘状态正常:
- SMART整体健康评估PASSED
- Critical Warning为
0x00(无临界警告) - 可用备用空间100%,损耗率0%(磁盘几乎无使用损耗)
- 错误信息日志条目为0(无实际错误记录)
这种异常数值几乎可以确定是固件或smartmontools的兼容性bug:
- 你当前使用的SK hynix PC711固件版本(HPS0)可能存在SMART指标上报格式错误,导致数值解析异常
- 你使用的smartmontools 7.3版本较旧,对该型号SSD的SMART日志解析存在兼容性问题
3. 验证与解决建议
- 更新smartmontools到最新版:新版本通常会修复对新SSD型号的解析bug,重新检测后数值大概率恢复正常
- 检查SSD固件更新:通过HP官方渠道获取Dev One机型的SK hynix PC711固件更新,修复固件层面的SMART上报问题
- 运行NVMe自测试:执行命令
smartctl -t long /dev/nvme0(根据你的实际设备路径调整),测试完成后用smartctl -l selftest /dev/nvme0查看结果,确认无实际错误
完整smartctl输出
Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Number: SK hynix PC711 HFS001TDE9X073N Serial Number: KDB3N511010503A37 Firmware Version: HPS0 PCI Vendor/Subsystem ID: 0x1c5c IEEE OUI Identifier: 0xace42e Total NVM Capacity: 1,024,209,543,168 [1.02 TB] Unallocated NVM Capacity: 0 Controller ID: 1 NVMe Version: 1.3 Number of Namespaces: 1 Namespace 1 Size/Capacity: 1,024,209,543,168 [1.02 TB] Namespace 1 Formatted LBA Size: 512 Namespace 1 IEEE EUI-64: ace42e 00254f98f1 Local Time is: Wed Nov 9 13:58:37 2022 EST Firmware Updates (0x16): 3 Slots, no Reset required Optional Admin Commands (0x001f): Security Format Frmw_DL NS_Mngmt Self_Test Optional NVM Commands (0x005f): Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat Timestmp Log Page Attributes (0x1e): Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg Pers_Ev_Lg Maximum Data Transfer Size: 64 Pages Warning Comp. Temp. Threshold: 84 Celsius Critical Comp. Temp. Threshold: 85 Celsius Namespace 1 Features (0x02): NA_Fields Supported Power States St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat 0 + 6.3000W - - 0 0 0 0 5 5 1 + 2.4000W - - 1 1 1 1 30 30 2 + 1.9000W - - 2 2 2 2 100 100 3 - 0.0500W - - 3 3 3 3 1000 1000 4 - 0.0040W - - 3 3 3 3 1000 9000 Supported LBA Sizes (NSID 0x1) Id Fmt Data Metadt Rel_Perf 0 + 512 0 0 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: 34 Celsius Available Spare: 100% Available Spare Threshold: 5% Percentage Used: 0% Data Units Read: 13,162,025 [6.73 TB] Data Units Written: 3,846,954 [1.96 TB] Host Read Commands: 156,458,059 Host Write Commands: 128,658,566 Controller Busy Time: 116 Power Cycles: 273 Power On Hours: 126 Unsafe Shutdowns: 15 Media and Data Integrity Errors: 1051556645921812989870080 Error Information Log Entries: 0 Warning Comp. Temperature Time: 0 Critical Comp. Temperature Time: 0 Temperature Sensor 1: 34 Celsius Temperature Sensor 2: 36 Celsius Error Information (NVMe Log 0x01, 16 of 256 entries) No Errors Logged
内容的提问来源于stack exchange,提问作者Michael Siejak
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