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Michael Mol wrote: |
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> On Sat, Jul 30, 2011 at 8:03 AM, Peter Humphrey |
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> <peter@××××××××××××××.org> wrote: |
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> |
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>> On Saturday 30 July 2011 11:17:52 Dale wrote: |
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>> |
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>> |
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>>> What could have caused this? Could it be a file system problem? I |
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>>> don't think it is a physical failure since it is working now after |
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>>> giving it a fresh start. I just don't get how this could have caused a |
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>>> kernel panic. This is plain weird. |
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>>> |
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>> One possibility is that, having now written to almost every location on the |
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>> disk, its controller has marked some faulty blocks that used to contain code |
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>> in the disk subsystem. If it was reading damaged data, there's no surprise |
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>> in anything that happened next! |
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>> |
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> Well, except that it should have thrown some errors when the |
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> on-platter reed-solomon encoding didn't quite match. |
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> |
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> If the controller flagged some faulty blocks, it should show up via |
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> smartctl -A $DEVICE_NODE |
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> |
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> |
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> |
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|
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|
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I did run the SMART test thing at least twice. It never reported any |
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problems. This look OK: |
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|
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root@fireball / # smartctl -A /dev/sdc |
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smartctl 5.40 2010-10-16 r3189 [x86_64-pc-linux-gnu] (local build) |
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Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net |
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|
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=== START OF READ SMART DATA SECTION === |
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SMART Attributes Data Structure revision number: 16 |
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Vendor Specific SMART Attributes with Thresholds: |
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ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE |
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UPDATED WHEN_FAILED RAW_VALUE |
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1 Raw_Read_Error_Rate 0x000f 100 100 051 Pre-fail |
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Always - 0 |
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3 Spin_Up_Time 0x0007 081 081 011 Pre-fail |
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Always - 6510 |
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4 Start_Stop_Count 0x0032 100 100 000 Old_age |
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Always - 105 |
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5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail |
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Always - 0 |
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7 Seek_Error_Rate 0x000f 253 253 051 Pre-fail |
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Always - 0 |
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8 Seek_Time_Performance 0x0025 100 100 015 Pre-fail |
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Offline - 11324 |
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9 Power_On_Hours 0x0032 097 097 000 Old_age |
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Always - 15355 |
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10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail |
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Always - 0 |
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11 Calibration_Retry_Count 0x0012 100 100 000 Old_age |
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Always - 0 |
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12 Power_Cycle_Count 0x0032 100 100 000 Old_age |
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Always - 105 |
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13 Read_Soft_Error_Rate 0x000e 100 100 000 Old_age |
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Always - 0 |
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183 Runtime_Bad_Block 0x0032 100 100 000 Old_age |
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Always - 0 |
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184 End-to-End_Error 0x0033 100 100 000 Pre-fail |
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Always - 0 |
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187 Reported_Uncorrect 0x0032 100 100 000 Old_age |
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Always - 0 |
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188 Command_Timeout 0x0032 100 100 000 Old_age |
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Always - 0 |
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190 Airflow_Temperature_Cel 0x0022 074 069 000 Old_age |
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Always - 26 (Min/Max 23/28) |
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194 Temperature_Celsius 0x0022 074 068 000 Old_age |
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Always - 26 (Min/Max 23/30) |
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195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age |
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Always - 143830378 |
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196 Reallocated_Event_Count 0x0032 100 100 000 Old_age |
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Always - 0 |
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197 Current_Pending_Sector 0x0012 100 100 000 Old_age |
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Always - 0 |
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198 Offline_Uncorrectable 0x0030 100 100 000 Old_age |
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Offline - 0 |
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199 UDMA_CRC_Error_Count 0x003e 100 100 000 Old_age |
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Always - 0 |
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200 Multi_Zone_Error_Rate 0x000a 100 100 000 Old_age |
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Always - 0 |
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201 Soft_Read_Error_Rate 0x000a 100 100 000 Old_age |
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Always - 0 |
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|
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root@fireball / # |
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|
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Dale |
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|
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:-) :-) |
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