断电后，一个磁盘丢失了一些数据。由于我备份过，而且有很多不重要的数据，所以我决定销毁该分区并重新开始。
磁盘工作正常几天，突然所有信息都消失了......
检查 smartctl 看起来一切正常，但运行 fsck（实际上我尝试使用 esfsck）显示大量错误。
这是 smartctl 的输出：
$ sudo smartctl -a /dev/sdb
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.13.0-41-generic] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Toshiba MG07ACA... Enterprise Capacity HDD
Device Model: TOSHIBA MG07ACA12TE
Serial Number: 40Q0A00DF6DH
LU WWN Device Id: 5 000039 a18c95ac8
Firmware Version: 4402
User Capacity: 12,000,138,625,024 bytes [12.0 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-3 T13/2161-D revision 5
SATA Version is: SATA 3.3, 6.0 Gb/s (current: 1.5 Gb/s)
Local Time is: Fri May 13 09:10:32 2022 IDT
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: ( 120) seconds.
Offline data collection
capabilities: (0x5b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
No 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: ( 2) minutes.
Extended self-test routine
recommended polling time: (1237) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000b 100 100 050 Pre-fail Always - 0
2 Throughput_Performance 0x0005 100 100 050 Pre-fail Offline - 0
3 Spin_Up_Time 0x0027 100 100 001 Pre-fail Always - 2597
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 341
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x000b 100 100 050 Pre-fail Always - 0
8 Seek_Time_Performance 0x0005 100 100 050 Pre-fail Offline - 0
9 Power_On_Hours 0x0032 082 082 000 Old_age Always - 7236
10 Spin_Retry_Count 0x0033 100 100 030 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 341
23 Helium_Condition_Lower 0x0023 100 100 075 Pre-fail Always - 0
24 Helium_Condition_Upper 0x0023 100 100 075 Pre-fail Always - 0
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 - 332
193 Load_Cycle_Count 0x0032 100 100 000 Old_age Always - 3507
194 Temperature_Celsius 0x0022 100 100 000 Old_age Always - 39 (Min/Max 19/45)
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
220 Disk_Shift 0x0002 100 100 000 Old_age Always - 2097152
222 Loaded_Hours 0x0032 094 094 000 Old_age Always - 2407
223 Load_Retry_Count 0x0032 100 100 000 Old_age Always - 0
224 Load_Friction 0x0022 100 100 000 Old_age Always - 0
226 Load-in_Time 0x0026 100 100 000 Old_age Always - 594
240 Head_Flying_Hours 0x0001 100 100 001 Pre-fail Offline - 0
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]
SMART Selective self-test log data structure revision number 1
SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
1 0 23437770751 Not_testing
2 0 0 Not_testing
3 0 0 Not_testing
4 0 0 Not_testing
5 0 0 Not_testing
Selective self-test flags (0x0):
After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.
完整文件的结尾sudo e2fsck -fccky /dev/sdb
如下：https://ghostbin.com/T5ZQ7
Error writing block 1394 (Invalid argument). Ignore error? yes
Error writing block 1395 (Invalid argument). Ignore error? yes
Error writing block 1396 (Invalid argument). Ignore error? yes
Error writing block 1397 (Invalid argument). Ignore error? yes
Error writing block 1390 (Invalid argument). Ignore error? yes
Error writing block 1391 (Invalid argument). Ignore error? yes
Error writing block 1392 (Invalid argument). Ignore error? yes
Error writing file system info: Input/output error
/dev/sdb: ***** FILE SYSTEM WAS MODIFIED *****
有问题？是磁盘故障吗？
提前致谢
答案1
电源供应不正常，当几个磁盘开始进行密集工作时，通信开始失败。