I just recently started playing with smartctl and discovered one of my disks seems to be having problems:

Oct  5 10:52:27 mythtv smartd[13917]: Device: /dev/hdb, 4 Currently unreadable (pending) sectors
Oct  5 10:52:27 mythtv smartd[13917]: Device: /dev/hdb, 4 Offline uncorrectable sectors

I'm trying to figure out exactly what this means.  I think as far as the report goes, it means four sectors have bad blocks and the disk wants to relocate them, but hasn't yet. My question is what I need to do about it.  Is it time to panic and dump the drive?  It's not a particularly old drive, but I have no idea what the warrenty on it would be.  I bought it OEM from newegg.  If it's just a matter of relocating data, what ought I do about it?

badblocks gave a dismaying list, but I don't know exactly what to do with that data.  The blocks are somewhere in my LVM partition.   Is this a write off the sectors kind of problem, or a pray and order a new disc kind of problem?

smartctl reports overall health is still good.


=== START OF INFORMATION SECTION ===
Device Model:     ST3250823A
Serial Number:    5ND064BR
Firmware Version: 3.02
User Capacity:    250,059,350,016 bytes
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   7
ATA Standard is:  Exact ATA specification draft version not indicated
Local Time is:    Wed Oct  5 14:41:36 2005 EDT
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:      ( 249) Self-test routine in progress...
                                        90% of test remaining.
Total time to complete Offline
data collection:                 ( 430) 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:        (   1) minutes.
Extended self-test routine
recommended polling time:        (  84) minutes.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   057   052   006    Pre-fail  Always       -       165667777
  3 Spin_Up_Time            0x0003   099   098   000    Pre-fail  Always       -       0
  4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always       -       49
  5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x000f   039   034   030    Pre-fail  Always       -       44229665938597
  9 Power_On_Hours          0x0032   099   099   000    Old_age   Always       -       1519
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always       -       62
194 Temperature_Celsius     0x0022   046   060   000    Old_age   Always       -       46 (Lifetime Min/Max 0      /23)
195 Hardware_ECC_Recovered  0x001a   057   051   000    Old_age   Always       -       165667777
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always       -       4
198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline      -       4
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0000   100   253   000    Old_age   Offline      -       0
202 TA_Increase_Count       0x0032   100   253   000    Old_age   Always       -       0

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%      1517         -
# 2  Extended offline    Completed: read failure       90%      1414         29360139
# 3  Extended offline    Completed: read failure       90%      1249         29360139
# 4  Extended offline    Completed: read failure       90%      1084         29360139
# 5  Extended offline    Self-test routine in progress 90%      1519         -

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


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