Date: Sun, 4 Oct 2009 10:34:54 +0200 From: Patrick Proniewski <patpro@patpro.net> To: freebsd-fs@freebsd.org Subject: Offline uncorrectable sectors on hard drive Message-ID: <C09E0617-F326-4AB1-BFF5-6814CD084940@patpro.net>
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--Apple-Mail-18--687296030 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Hi all, smartctl on my server returned an error yesterday : > The following warning/error was logged by the smartd daemon: > > Device: /dev/ad6, 1 Offline uncorrectable sectors /var/log/messages : > Oct 3 04:04:19 rack smartd[739]: Device: /dev/ad6, 1 Offline > uncorrectable sectors > Oct 3 04:04:19 rack smartd[739]: Device: /dev/ad6, Self-Test Log > error count increased from 0 to 1 ../.. > Oct 4 01:34:19 rack smartd[739]: Device: /dev/ad6, 1 Offline > uncorrectable sectors > Oct 4 02:04:19 rack smartd[739]: Device: /dev/ad6, 1 Offline > uncorrectable sectors first error flagged Oct 3 04:04:19, last error Oct 4 02:04:19. Since then, no more error in the logs. So my questions are: - is that "Offline uncorrectable sectors" in fact correctable? I've found howto's for extfs and reiserfs to correct this kind of error by remapping bad sectors, but nothing for UFS. - this error appears to have disappeared, does it mean the harddrive (or the fs) made the remapping by it self? Here is the smartctl -a output for this device: > # smartctl -a /dev/ad6 > smartctl version 5.38 [i386-portbld-freebsd6.4] Copyright (C) 2002-8 > Bruce Allen > Home page is http://smartmontools.sourceforge.net/ > > === START OF INFORMATION SECTION === > Model Family: Maxtor DiamondMax 10 family (ATA/133 and SATA/150) > Device Model: Maxtor 6L200M0 > Serial Number: L404EDDH > Firmware Version: BANC1E00 > User Capacity: 203,928,109,056 bytes > Device is: In smartctl database [for details use: -P show] > ATA Version is: 7 > ATA Standard is: ATA/ATAPI-7 T13 1532D revision 0 > Local Time is: Sun Oct 4 10:23:02 2009 CEST > SMART support is: Available - device has SMART capability. > SMART support is: Enabled > > Warning! SMART Attribute Thresholds Structure error: invalid SMART > checksum. > === START OF READ SMART DATA SECTION === > SMART overall-health self-assessment test result: PASSED > > General SMART Values: > Offline data collection status: (0x02) Offline data collection > activity > was completed without error. > Auto Offline Data Collection: Disabled. > 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: (1562) 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: ( 81) minutes. > SCT capabilities: (0x0021) SCT Status 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 > 3 Spin_Up_Time 0x0027 252 252 063 Pre-fail > Always - 3148 > 4 Start_Stop_Count 0x0032 253 253 000 Old_age > Always - 17 > 5 Reallocated_Sector_Ct 0x0033 253 253 063 Pre-fail > Always - 0 > 6 Read_Channel_Margin 0x0001 253 253 100 Pre-fail > Offline - 0 > 7 Seek_Error_Rate 0x000a 253 252 000 Old_age > Always - 0 > 8 Seek_Time_Performance 0x0027 250 234 187 Pre-fail > Always - 51522 > 9 Power_On_Minutes 0x0032 154 154 000 Old_age > Always - 487h+21m > 10 Spin_Retry_Count 0x002b 252 252 157 Pre-fail > Always - 0 > 11 Calibration_Retry_Count 0x002b 253 252 223 Pre-fail > Always - 0 > 12 Power_Cycle_Count 0x0032 253 253 000 Old_age > Always - 20 > 192 Power-Off_Retract_Count 0x0032 253 253 000 Old_age > Always - 0 > 193 Load_Cycle_Count 0x0032 253 253 000 Old_age > Always - 0 > 194 Temperature_Celsius 0x0032 023 253 000 Old_age > Always - 26 > 195 Hardware_ECC_Recovered 0x000a 253 252 000 Old_age > Always - 7879 > 196 Reallocated_Event_Count 0x0008 251 251 000 Old_age > Offline - 2 > 197 Current_Pending_Sector 0x0008 253 253 000 Old_age > Offline - 0 > 198 Offline_Uncorrectable 0x0008 253 252 000 Old_age > Offline - 0 > 199 UDMA_CRC_Error_Count 0x0008 199 199 000 Old_age > Offline - 0 > 200 Multi_Zone_Error_Rate 0x000a 253 252 000 Old_age > Always - 0 > 201 Soft_Read_Error_Rate 0x000a 253 252 000 Old_age > Always - 0 > 202 TA_Increase_Count 0x000a 253 252 000 Old_age > Always - 0 > 203 Run_Out_Cancel 0x000b 253 252 180 Pre-fail > Always - 0 > 204 Shock_Count_Write_Opern 0x000a 253 252 000 Old_age > Always - 0 > 205 Shock_Rate_Write_Opern 0x000a 253 252 000 Old_age > Always - 0 > 207 Spin_High_Current 0x002a 252 252 000 Old_age > Always - 0 > 208 Spin_Buzz 0x002a 252 252 000 Old_age > Always - 0 > 209 Offline_Seek_Performnce 0x0024 239 239 000 Old_age > Offline - 170 > 210 Unknown_Attribute 0x0032 253 252 000 Old_age > Always - 0 > 211 Unknown_Attribute 0x0032 253 252 000 Old_age > Always - 0 > 212 Unknown_Attribute 0x0032 253 252 000 Old_age > Always - 0 > > Warning! SMART ATA Error Log Structure error: invalid SMART checksum. > SMART Error Log Version: 1 > No Errors Logged > > SMART Self-test log structure revision number 1 > Num Test_Description Status Remaining > LifeTime(hours) LBA_of_first_error > # 1 Short offline Completed without error 00% > 34339 - > # 2 Extended offline Completed: read failure 20% > 34317 201626851 > # 3 Short offline Completed without error 00% > 34315 - > # 4 Short offline Completed without error 00% > 34291 - > # 5 Short offline Completed without error 00% > 34267 - > # 6 Short offline Completed without error 00% > 34243 - > # 7 Short offline Completed without error 00% > 34220 - > # 8 Short offline Completed without error 00% > 34196 - > # 9 Short offline Completed without error 00% > 34172 - > #10 Extended offline Completed without error 00% > 34150 - > #11 Short offline Completed without error 00% > 34148 - > #12 Short offline Completed without error 00% > 34124 - > #13 Short offline Completed without error 00% > 34100 - > #14 Short offline Completed without error 00% > 34076 - > #15 Short offline Completed without error 00% > 34053 - > #16 Short offline Completed without error 00% > 34029 - > #17 Short offline Completed without error 00% > 34005 - > #18 Extended offline Completed without error 00% > 33983 - > #19 Short offline Completed without error 00% > 33981 - > #20 Short offline Completed without error 00% > 33957 - > #21 Short offline Completed without error 00% > 33933 - > > 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. thanks, patpro --Apple-Mail-18--687296030--
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