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错误代码在这里解释。
根据这个话题，下面是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.
此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？
UPDATE
短期和长期的自检报告没有错误：
# 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 -
是的 – 磁盘上说“logging的实体没有find”，所以它不会在磁盘上find应该在那里的东西。 听起来像低级格式不再完整。 现在可能会纠正，但是这是有原因的。
这个驱动器不再可靠。