smart

randall Sun, 08 Mar 2009 03:19:10 -0700

hi all,

my first mail to this list so apologies if this has been discussed recently.

i have a raid 10 array and 1 of the disks is acting up according toSMART and i'm not sure how to interpret the logs and if i should ignore,repair or replace.

smartd has been sending me several mails like this, they always come inpairs.(the dates mentioned in the mails are sometimes match the date ofsending and sometimes are a week or month off, but this might be anotherproblem, not sure. i think however it started after a power failure)


The following warning/error was logged by the smartd daemon:
Device: /dev/sde, 1 Currently unreadable (pending) sectors

AND

The following warning/error was logged by the smartd daemon:
Device: /dev/sde, 1 Offline uncorrectable sectors


smartctl --all /dev/sde

gives me the following, i've been trying to google this but some sourcessay replace the disk at once or don't wory, its harmless. Anybody canshed some light?

Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Model Family:     Seagate Barracuda 7200.11
Device Model:     ST3500320AS
Serial Number:    5QM056TH
Firmware Version: SD04
User Capacity:    500,107,862,016 bytes
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   7
ATA Standard is:  Exact ATA specification draft version not indicated
Local Time is:    Sun Mar  8 11:00:53 2009 CET
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: ( 113) The previous self-testcompleted having

                   the read element of the test failed.
Total time to complete Offline
data collection:          ( 634) 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:      (   1) minutes.
Extended self-test routine
recommended polling time:      ( 106) minutes.
Conveyance self-test routine
recommended polling time:      (   2) minutes.
SCT capabilities:            (0x003b)    SCT Status supported.
                   SCT Feature Control supported.
                   SCT Data Table supported.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:

ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPEUPDATED WHEN_FAILED RAW_VALUE1 Raw_Read_Error_Rate 0x000f 114 099 006 Pre-failAlways - 1320232093 Spin_Up_Time 0x0003 093 092 000 Pre-failAlways - 04 Start_Stop_Count 0x0032 100 100 020 Old_ageAlways - 1595 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-failAlways - 357 Seek_Error_Rate 0x000f 074 060 030 Pre-failAlways - 216136214199 Power_On_Hours 0x0032 089 089 000 Old_ageAlways - 985810 Spin_Retry_Count 0x0013 100 100 097 Pre-failAlways - 012 Power_Cycle_Count 0x0032 100 037 020 Old_ageAlways - 159184 Unknown_Attribute 0x0032 100 100 099 Old_ageAlways - 0187 Reported_Uncorrect 0x0032 082 082 000 Old_ageAlways - 18188 Unknown_Attribute 0x0032 100 098 000 Old_ageAlways - 4295032838189 High_Fly_Writes 0x003a 001 001 000 Old_ageAlways - 344190 Airflow_Temperature_Cel 0x0022 071 048 045 Old_ageAlways - 29 (Lifetime Min/Max 27/31)194 Temperature_Celsius 0x0022 029 052 000 Old_ageAlways - 29 (0 21 0 0)195 Hardware_ECC_Recovered 0x001a 028 021 000 Old_ageAlways - 132023209197 Current_Pending_Sector 0x0012 100 100 000 Old_ageAlways - 1198 Offline_Uncorrectable 0x0010 100 100 000 Old_ageOffline - 1199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_ageAlways - 0


SMART Error Log Version: 1
ATA Error Count: 18 (device log contains only the most recent five errors)
   CR = Command Register [HEX]
   FR = Features Register [HEX]
   SC = Sector Count Register [HEX]
   SN = Sector Number Register [HEX]
   CL = Cylinder Low Register [HEX]
   CH = Cylinder High Register [HEX]
   DH = Device/Head Register [HEX]
   DC = Device Command Register [HEX]
   ER = Error register [HEX]
   ST = Status register [HEX]
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 18 occurred at disk power-on lifetime: 9008 hours (375 days + 8 hours)