内核日志：
ata2.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x0
ata2.00: irq_stat 0x40000008
ata2.00: cmd 61/08:f0:6f:5b:97/00:00:00:00:00/40 tag 30 ncq 4096 out
res 41/10:01:6f:5b:97/d5:00:00:00:00/40 Emask 0x481 (invalid argument) <F>
ata2.00: status: { DRDY ERR }
ata2.00: error: { IDNF }
ata2.00: configured for UDMA/133
sd 1:0:0:0: SCSI error: return code = 0x08000002
sdb: Current [descriptor]: sense key: Aborted Command
Add. Sense: Recorded entity not found
Descriptor sense data with sense descriptors (in hex):
72 0b 14 00 00 00 00 0c 00 0a 80 00 00 00 00 00
00 97 5b 6f
end_request: I/O error, dev sdb, sector 9919343
ata2: EH complete
SCSI device sdb: 625142448 512-byte hdwr sectors (320073 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write through
SCSI device sdb: 625142448 512-byte hdwr sectors (320073 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write through
SCSI 错误代码解释这里。
根据这主题，以下是smartctl结果：
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF INFORMATION SECTION ===
Device Model: WDC WD3202ABYS-01B7A0
Serial Number: WD-WCAT18587154
Firmware Version: 02.03B02
User Capacity: 320,072,933,376 bytes
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 8
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Thu Sep 8 12:40:41 2011 ICT
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: (0x84) Offline data collection activity
was suspended by an interrupting command from host.
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: (6180) 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: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 75) minutes.
Conveyance self-test routine
recommended polling time: ( 5) minutes.
SCT capabilities: (0x303f) SCT Status 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 0x002f 200 200 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0027 200 200 021 Pre-fail Always - 975
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 20
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0
9 Power_On_Hours 0x0032 076 076 000 Old_age Always - 17927
10 Spin_Retry_Count 0x0032 100 253 000 Old_age Always - 0
11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 19
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 16
193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 20
194 Temperature_Celsius 0x0022 114 098 000 Old_age Always - 29
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age 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 0 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.
该服务器正在运行软件 RAID-1：
# dmraid -s -s
*** Group superset .ddf1_disks
--> Active Subset
name : xx
size : 624737792
stride : 128
type : mirror
status : ok
subsets: 0
devs : 2
spares : 0
我应该更换这个设备吗？
更新
短期和长期自检均未报告错误：
# smartctl -l selftest /dev/sdb
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed without error 00% 17930 -
# 2 Short offline Completed without error 00% 17929 -
答案1
是的- 磁盘显示“未找到记录实体”，因此磁盘上没有找到应该存在的内容。听起来低级格式化不再完整。现在可能已经更正了，但发生这种情况是有原因的。
该驱动器不再可靠。