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    SubjectRe: SATA exceptions
    Date
    Hi;

    07 Tem 2007 Cts tarihinde, Robert Hancock şunları yazmıştı:
    > It's not the free space on the drive that matters, it's the number of
    > free sectors in the spare sector pool on the drive, which is invisible
    > to software.
    >
    > Your SMART log shows 309 reallocated sectors. That seems somewhat high..

    Ah sorry to misinterpret the content:), its a quiet new piece of hardware (at
    most ~1.5 month old) and "Reallocated_Event_Count" constantly increases
    (currently its increased to 313) and although i'm not 100 percent sure these
    errors only occured with kernels > 2.6.18 (or 2.6.18 didn't report these
    cause according to kern.log these only visible with 2.6.22+)

    We bought 3 HP Pavillon dv2385ea and one of them only runs with 2.6.18 and its
    smartctl output follows as a reference;

    smartctl version 5.37 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
    Home page is http://smartmontools.sourceforge.net/

    === START OF INFORMATION SECTION ===
    Device Model: SAMSUNG HM160JI
    Serial Number: S0W6J10P331479
    Firmware Version: AD100-16
    User Capacity: 160.041.885.696 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 Jul 8 00:22:21 2007 EEST

    ==> WARNING: May need -F samsung or -F samsung2 enabled; see manual for
    details.

    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
    See vendor-specific Attribute list for marginal Attributes.

    General SMART Values:
    Offline data collection status: (0x00) Offline data collection activity
    was never started.
    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: (5391) seconds.
    Offline data collection
    capabilities: (0x51) SMART execute Offline immediate.
    No Auto Offline data collection support.
    Suspend Offline collection upon new
    command.
    No 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: ( 89) minutes.

    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 0x000f 100 100 051 Pre-fail
    Always - 0
    3 Spin_Up_Time 0x0007 253 253 025 Pre-fail
    Always - 2880
    4 Start_Stop_Count 0x0032 098 098 000 Old_age
    Always - 2648
    5 Reallocated_Sector_Ct 0x0033 253 253 010 Pre-fail
    Always - 0
    7 Seek_Error_Rate 0x000f 253 253 051 Pre-fail
    Always - 0
    8 Seek_Time_Performance 0x0025 253 253 015 Pre-fail
    Offline - 0
    9 Power_On_Hours 0x0032 253 253 000 Old_age
    Always - 236
    10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail
    Always - 1
    11 Calibration_Retry_Count 0x0012 100 100 000 Old_age
    Always - 2
    12 Power_Cycle_Count 0x0032 100 100 000 Old_age
    Always - 57
    187 Unknown_Attribute 0x0032 253 253 000 Old_age
    Always - 0
    188 Unknown_Attribute 0x0032 253 253 000 Old_age
    Always - 0
    190 Temperature_Celsius 0x0022 047 040 040 Old_age Always
    In_the_past 1008009269
    191 G-Sense_Error_Rate 0x0012 100 100 000 Old_age
    Always - 5396
    192 Power-Off_Retract_Count 0x0012 100 100 000 Old_age
    Always - 40
    193 Load_Cycle_Count 0x0012 100 100 000 Old_age
    Always - 2575
    194 Temperature_Celsius 0x0022 047 040 000 Old_age
    Always - 53 (Lifetime Min/Max 0/15381)
    195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age
    Always - 98037
    196 Reallocated_Event_Count 0x0032 253 253 000 Old_age
    Always - 0
    197 Current_Pending_Sector 0x0012 253 253 000 Old_age
    Always - 0
    198 Offline_Uncorrectable 0x0030 253 253 000 Old_age
    Offline - 0
    199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age
    Always - 0
    200 Multi_Zone_Error_Rate 0x000a 100 100 000 Old_age
    Always - 0
    201 Soft_Read_Error_Rate 0x0012 253 253 000 Old_age
    Always - 0
    223 Load_Retry_Count 0x0012 100 100 000 Old_age
    Always - 2
    225 Load_Cycle_Count 0x0012 100 100 000 Old_age
    Always - 2575
    255 Unknown_Attribute 0x000a 253 100 000 Old_age
    Always - 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 (0) should be 1
    SMART Selective self-test log data structure revision number 0
    Warning: ATA Specification requires 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.

    What is your suggestion in that case will i try to change the hardware
    assuming its harware's fault or that may be regression introduced by kernels
    newer than 2.6.18?

    Cheers
    --
    S.Çağlar Onur <caglar@pardus.org.tr>
    http://cekirdek.pardus.org.tr/~caglar/

    Linux is like living in a teepee. No Windows, no Gates and an Apache in house!
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