linux 硬盘健康检查 先安装 smartmontoolssudo apt install smartmontools sudo smartctl -A /dev/sdb 执行结果：smartctl 7.0 2018-12-30 r4883 [x86_64-linux-5.2.0-8-generic] (local build)Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org=== START OF READ SMART DATA SECTION ===SMART Attributes Data Structure revision number: 16Vendor Specific SMART Attributes with Thresholds:ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000b 100 100 062 Pre-fail Always - 0 2 Throughput_Performance 0x0005 100 100 040 Pre-fail Offline - 0 3 Spin_Up_Time 0x0007 233 233 033 Pre-fail Always - 1 4 Start_Stop_Count 0x0012 100 100 000 Old_age Always - 876 5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail Always - 0 7 Seek_Error_Rate 0x000b 100 100 067 Pre-fail Always - 0 8 Seek_Time_Performance 0x0005 100 100 040 Pre-fail Offline - 0 9 Power_On_Hours 0x0012 098 098 000 Old_age Always - 898 10 Spin_Retry_Count 0x0013 100 100 060 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 854 191 G-Sense_Error_Rate 0x000a 100 100 000 Old_age Always - 0 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 30933084 193 Load_Cycle_Count 0x0012 098 098 000 Old_age Always - 22510 194 Temperature_Celsius 0x0002 146 146 000 Old_age Always - 41 (Min/Max 7/50) 196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0 197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0008 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x000a 200 200 000 Old_age Always - 13351 223 Load_Retry_Count 0x000a 100 100 000 Old_age Always - 0