我有时在启动过程中会遇到错误：
I/O Error, dev sda, sector xxxxxxx
有时fsck可以帮助我启动我的Ubuntu 18 system。但是，几天后问题又出现了。
我尝试将其清零，然后scan and remap使用 mhdd 磁盘。扫描表明没有错误扇区。但是，问题仍然存在。
目前，GSmartControl显示：
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x002f 100 100 051 Pre-fail Always - 667
2 Throughput_Performance 0x0026 252 252 000 Old_age Always - 0
3 Spin_Up_Time 0x0023 089 089 025 Pre-fail Always - 3463
4 Start_Stop_Count 0x0032 096 096 000 Old_age Always - 4426
5 Reallocated_Sector_Ct 0x0033 252 252 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 252 252 051 Old_age Always - 0
8 Seek_Time_Performance 0x0024 252 252 015 Old_age Offline - 0
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 20258
10 Spin_Retry_Count 0x0032 252 252 051 Old_age Always - 0
12 Power_Cycle_Count 0x0032 096 096 000 Old_age Always - 4246
191 G-Sense_Error_Rate 0x0022 100 100 000 Old_age Always - 457
192 Power-Off_Retract_Count 0x0022 252 252 000 Old_age Always - 0
194 Temperature_Celsius 0x0002 059 051 000 Old_age Always - 41 (Min/Max 17/49)
195 Hardware_ECC_Recovered 0x003a 100 100 000 Old_age Always - 0
196 Reallocated_Event_Count 0x0032 252 252 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 100 100 000 Old_age Always - 1
198 Offline_Uncorrectable 0x0030 252 252 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0036 100 100 000 Old_age Always - 1
200 Multi_Zone_Error_Rate 0x002a 001 001 000 Old_age Always - 60844
223 Load_Retry_Count 0x0032 100 100 000 Old_age Always - 311
225 Load_Cycle_Count 0x0032 081 081 000 Old_age Always - 197746
Complete error log:
SMART Extended Comprehensive Error Log Version: 1 (2 sectors)
Device Error Count: 227 (device log contains only the most recent 8 errors)
CR = Command Register
FEATR = Features Register
COUNT = Count (was: Sector Count) Register
LBA_48 = Upper bytes of LBA High/Mid/Low Registers ] ATA-8
LH = LBA High (was: Cylinder High) Register ] LBA
LM = LBA Mid (was: Cylinder Low) Register ] Register
LL = LBA Low (was: Sector Number) Register ]
DV = Device (was: Device/Head) Register
DC = Device Control Register
ER = Error register
ST = Status register
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.
Error 227 [2] occurred at disk power-on lifetime: 20256 hours (844 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
40 -- 51 00 08 00 00 3a d7 98 68 e0 00 Error: UNC 8 sectors at LBA = 0x3ad79868 = 987207784
Commands leading to the command that caused the error were:
CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name
-- == -- == -- == == == -- -- -- -- -- --------------- --------------------
25 00 00 00 10 00 00 3a d7 98 60 e0 08 00:00:00.060 READ DMA EXT
25 00 00 00 10 00 00 3a d7 98 40 e0 08 00:00:00.060 READ DMA EXT
25 00 00 00 20 00 00 3a d7 97 e0 e0 08 00:00:00.060 READ DMA EXT
25 00 00 09 08 00 00 3b 57 89 00 e0 08 00:00:00.060 READ DMA EXT
25 00 00 00 08 00 00 3b 17 9d c0 e0 08 00:00:00.060 READ DMA EXT
Error 226 [1] occurred at disk power-on lifetime: 20256 hours (844 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
40 -- 41 00 08 00 00 3b 16 88 80 40 00 Error: UNC at LBA = 0x3b168880 = 991332480
Commands leading to the command that caused the error were:
CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name
-- == -- == -- == == == -- -- -- -- -- --------------- --------------------
60 00 10 00 08 00 00 3b 16 88 80 40 08 00:00:00.708 READ FPDMA QUEUED
60 00 10 00 08 00 00 3b 16 88 80 40 08 00:00:00.763 READ FPDMA QUEUED
ef 00 10 00 02 00 00 00 00 00 00 a0 08 00:00:00.763 SET FEATURES [Enable SATA feature]
27 00 00 00 00 00 00 00 00 00 00 e0 08 00:00:00.763 READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]
ec 00 00 00 00 00 00 00 00 00 00 a0 08 00:00:00.763 IDENTIFY DEVICE
Error 225 [0] occurred at disk power-on lifetime: 20256 hours (844 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
40 -- 41 00 08 00 00 3b 16 88 80 40 00 Error: UNC at LBA = 0x3b168880 = 991332480
Commands leading to the command that caused the error were:
CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name
-- == -- == -- == == == -- -- -- -- -- --------------- --------------------
60 00 10 00 08 00 00 3b 16 88 80 40 08 00:00:00.708 READ FPDMA QUEUED
60 00 10 00 08 00 00 3b 16 88 80 40 08 00:00:00.760 READ FPDMA QUEUED
61 00 10 00 08 00 00 1a 17 ab 00 40 08 00:00:00.760 WRITE FPDMA QUEUED
61 00 10 00 08 00 00 1a 16 aa f8 40 08 00:00:00.760 WRITE FPDMA QUEUED
61 00 10 00 08 00 00 52 16 8a d8 40 08 00:00:00.760 WRITE FPDMA QUEUED
Error 224 [7] occurred at disk power-on lifetime: 20256 hours (844 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
40 -- 41 00 08 00 00 3a d6 88 80 40 00 Error: UNC at LBA = 0x3ad68880 = 987138176
Commands leading to the command that caused the error were:
CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name
-- == -- == -- == == == -- -- -- -- -- --------------- --------------------
60 00 10 00 08 00 00 3a d6 88 80 40 08 00:00:00.708 READ FPDMA QUEUED
60 00 10 00 08 00 00 3a d6 88 80 40 08 00:00:00.758 READ FPDMA QUEUED
ef 00 10 00 02 00 00 00 00 00 00 a0 08 00:00:00.758 SET FEATURES [Enable SATA feature]
27 00 00 00 00 00 00 00 00 00 00 e0 08 00:00:00.758 READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]
ec 00 00 00 00 00 00 00 00 00 00 a0 08 00:00:00.758 IDENTIFY DEVICE
Error 223 [6] occurred at disk power-on lifetime: 20256 hours (844 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
40 -- 41 00 08 00 00 3a d6 88 80 40 00 Error: UNC at LBA = 0x3ad68880 = 987138176
Commands leading to the command that caused the error were:
CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name
-- == -- == -- == == == -- -- -- -- -- --------------- --------------------
60 00 10 00 08 00 00 3a d6 88 80 40 08 00:00:00.708 READ FPDMA QUEUED
60 00 10 00 08 00 00 3a d6 88 80 40 08 00:00:00.756 READ FPDMA QUEUED
61 00 10 00 08 00 00 3b 16 8a c8 40 08 00:00:00.737 WRITE FPDMA QUEUED
61 00 10 00 08 00 00 3b 16 8a b8 40 08 00:00:00.737 WRITE FPDMA QUEUED
61 00 10 00 10 00 00 3b 16 8a 70 40 08 00:00:00.737 WRITE FPDMA QUEUED
Error 222 [5] occurred at disk power-on lifetime: 20256 hours (844 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
40 -- 41 00 08 00 00 3b 16 88 80 40 00 Error: UNC at LBA = 0x3b168880 = 991332480
Commands leading to the command that caused the error were:
CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name
-- == -- == -- == == == -- -- -- -- -- --------------- --------------------
60 00 10 00 08 00 00 3b 16 88 80 40 08 00:00:00.671 READ FPDMA QUEUED
61 00 10 00 08 00 00 51 d7 8b f8 40 08 00:00:00.706 WRITE FPDMA QUEUED
61 00 10 00 08 00 00 51 17 89 88 40 08 00:00:00.706 WRITE FPDMA QUEUED
61 00 10 00 08 00 00 51 17 89 38 40 08 00:00:00.706 WRITE FPDMA QUEUED
61 00 10 00 18 00 00 51 17 89 18 40 08 00:00:00.706 WRITE FPDMA QUEUED
Error 221 [4] occurred at disk power-on lifetime: 20256 hours (844 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
40 -- 41 00 08 00 00 3a d6 88 80 40 00 Error: UNC at LBA = 0x3ad68880 = 987138176
Commands leading to the command that caused the error were:
CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name
-- == -- == -- == == == -- -- -- -- -- --------------- --------------------
60 00 10 00 08 00 00 3a d6 88 80 40 08 00:00:00.671 READ FPDMA QUEUED
61 00 10 00 08 00 00 39 16 94 c0 40 00 00:00:00.704 WRITE FPDMA QUEUED
61 00 10 00 08 00 00 37 97 a1 78 40 00 00:00:00.704 WRITE FPDMA QUEUED
61 00 10 00 08 00 00 37 96 8d b0 40 00 00:00:00.704 WRITE FPDMA QUEUED
60 00 10 00 10 00 00 3d d6 88 00 40 00 00:00:00.704 READ FPDMA QUEUED
Error 220 [3] occurred at disk power-on lifetime: 20256 hours (844 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER -- ST COUNT LBA_48 LH LM LL DV DC
-- -- -- == -- == == == -- -- -- -- --
40 -- 41 00 08 00 00 3a d6 88 80 40 00 Error: UNC at LBA = 0x3ad68880 = 987138176
Commands leading to the command that caused the error were:
CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name
-- == -- == -- == == == -- -- -- -- -- --------------- --------------------
60 00 10 00 08 00 00 3d 96 88 80 40 08 00:00:00.673 READ FPDMA QUEUED
60 00 10 00 08 00 00 3a d6 88 80 40 08 00:00:00.670 READ FPDMA QUEUED
60 00 10 00 10 00 00 3d 96 88 00 40 08 00:00:00.671 READ FPDMA QUEUED
60 00 10 00 08 00 00 3d 56 88 80 40 08 00:00:00.671 READ FPDMA QUEUED
60 00 10 00 10 00 00 3d 56 88 00 40 08 00:00:00.671 READ FPDMA QUEUED
- 重复错误的原因是什么？
- 我估计磁盘有问题。我可以修复它吗？如何确定我应该更换磁盘（我的意思是 - 这不是由 SATA 插槽、SATA 电缆、主板引起的）。
提前致谢 ：）
答案1
这确实表明您的驱动器有问题，但并不一定表明驱动器出现故障并需要更换。这实际上是说驱动器已发现问题并将尝试纠正它。
如果成功……那就开心了。如果没有，那么你就需要更换驱动器了。你应该担心的是离线不可纠正值。如果该值不是 0，那么是时候更换驱动器了。
此外，如果你正在使用 mdraid，请检查它是否降低了阵列的性能，因为这可能会导致你出现启动问题
tl;dr 别担心。如果它升级为离线不可纠正，那就担心吧。如果你有突袭，那么你可以高枕无忧了。