Hard-Drive
在我的驅動器上執行 smartctl，不確定這是好還是壞
我的 Synology diskstation 中的驅動器出現問題。我看到 /var/log/messages 上彈出以下錯誤：
ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata6.00: failed command: SMART ata6.00: cmd b0/d0:01:00:4f:c2/00:00:00:00:00/00 tag 0 pio 512 in res 40/00:01:06:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout) ata6.00: status: { DRDY }我不知道這是什麼意思，但似乎有問題，我的磁碟陣列由於 100% IO 等待而無法使用，所以我認為這可能是罪魁禍首。
然後我跑了 smartctl -a ，得到以下輸出：
SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x82) Offline data collection activity was completed without error. Auto Offline Data Collection: Enabled. Self-test execution status: ( 0) The previous self-test routine completed without error or no self-test has ever been run. Total time to complete Offline data collection: ( 584) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. Conveyance Self-test supported. Selective Self-test supported. SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 1) minutes. Extended self-test routine recommended polling time: ( 335) minutes. Conveyance self-test routine recommended polling time: ( 2) minutes. SCT capabilities: (0x3085) SCT Status supported. SMART Attributes Data Structure revision number: 10 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 111 099 006 Pre-fail Always - 30661384 3 Spin_Up_Time 0x0003 094 094 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 52 5 Reallocated_Sector_Ct 0x0033 085 085 010 Pre-fail Always - 19440 7 Seek_Error_Rate 0x000f 061 060 030 Pre-fail Always - 47258538769 9 Power_On_Hours 0x0032 089 089 000 Old_age Always - 10454 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 51 183 Runtime_Bad_Block 0x0032 092 092 000 Old_age Always - 8 184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 188 Command_Timeout 0x0032 001 001 000 Old_age Always - 5384 5388 5388 189 High_Fly_Writes 0x003a 080 080 000 Old_age Always - 20 190 Airflow_Temperature_Cel 0x0022 072 046 045 Old_age Always - 28 (Min/Max 28/31) 191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 49 193 Load_Cycle_Count 0x0032 094 094 000 Old_age Always - 12043 194 Temperature_Celsius 0x0022 028 054 000 Old_age Always - 28 (0 16 0 0 0) 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 2440h+22m+08.819s 241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 17844897050 242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 27458866514我不明白這個輸出在說什麼。有人可以幫我破解一下嗎？我看到它說測試通過了，但我也看到了一些關於“pre-fail”、“old age”的資訊，並且表中的值似乎大於門檻值。
這個驅動要死了嗎？
有了 19,440 個重新分配的扇區，您的驅動器已經走到了盡頭。
5 Reallocated_Sector_Ct 0x0033 085 085 010 Pre-fail Always - 19440這通常是我在旋轉的銹盤上看到的第一個屬性。除了零原始值之外的任何東西都是潛在的問題，因為這意味著磁碟表面的某些部分在內部已被標記為壞，並且現在為壞扇區填充了保留空間。對於大量重新分配的扇區，您會看到性能問題，並最終導致數據失去。
在 SMART 實際將其顯示為失敗之前，它必須有更多的壞扇區，但您可以確定它現在正在失敗，應該更換。