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Volker Armin Hemmann <volkerarmin@××××××××××.com> [14-07-26 14:08]: |
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> Am 26.07.2014 12:26, schrieb meino.cramer@×××.de: |
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> > Mick <michaelkintzios@×××××.com> [14-07-26 11:28]: |
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> >> On Saturday 26 Jul 2014 02:49:15 meino.cramer@×××.de wrote: |
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> >>> Hi, |
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> >>> |
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> >>> After running smartctl for an extended offline test I got |
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> >>> a badblock (information extracted from the report): |
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> >>> |
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> >>> SMART Self-test log structure revision number 1 |
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> >>> Num Test_Description Status Remaining LifeTime(hours) |
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> >>> LBA_of_first_error # 1 Extended offline Completed: read failure |
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> >>> 90% 14460 4288352511 197 Current_Pending_Sector 0x0032 200 |
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> >>> 200 000 Old_age Always - 1 |
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> >>> |
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> >>> I found a explanation to map the LBA to a partition here: |
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> >>> http://smartmontools.sourceforge.net/badblockhowto.html |
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> >>> |
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> >>> My partition layout is: |
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> >>> #> sudo fdisk -lu /dev/sda |
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> >>> |
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> >>> Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors |
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> >>> Units: sectors of 1 * 512 = 512 bytes |
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> >>> Sector size (logical/physical): 512 bytes / 512 bytes |
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> >>> I/O size (minimum/optimal): 512 bytes / 512 bytes |
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> >>> Disklabel type: dos |
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> >>> Disk identifier: 0x07ec16a2 |
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> >>> |
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> >>> Device Boot Start End Blocks Id System |
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> >>> /dev/sda1 * 2048 104447 51200 83 Linux |
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> >>> /dev/sda2 104448 12687359 6291456 82 Linux swap / Solaris |
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> >>> /dev/sda3 12687360 222402559 104857600 83 Linux |
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> >>> /dev/sda4 222402560 1953525167 865561304 5 Extended |
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> >>> /dev/sda5 222404608 232890367 5242880 83 Linux |
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> >>> /dev/sda6 232892416 442607615 104857600 83 Linux |
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> >>> /dev/sda7 442609664 652324863 104857600 83 Linux |
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> >>> /dev/sda8 652326912 862042111 104857600 83 Linux |
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> >>> /dev/sda9 862044160 1071759359 104857600 83 Linux |
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> >>> /dev/sda10 1071761408 1281476607 104857600 83 Linux |
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> >>> /dev/sda11 1281478656 1491193855 104857600 83 Linux |
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> >>> /dev/sda12 1491195904 1953525167 231164632 83 Linux |
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> >>> 4288352511 <<< The number reported by smartctl |
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> >>> |
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> >>> |
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> >>> Following the linked document... |
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> >>> It seems the bad LBA is not on the checked harddisk. |
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> >>> |
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> >>> Or (more obvious) I did something wrong... |
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> >> You are probably comparing different units. The Start and End of fdisk are |
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> >> reporting sectors, each sector being 512 bytes. Therefore if the LBA is |
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> >> reported by smartctl in bytes, you have: |
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> >> |
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> >> 4,288,352,511 ÷ 512 = 8,375,688.5 |
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> >> |
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> >> which would place it within your swap partition. |
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> >> |
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> >> I would do this: |
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> >> |
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> >> swapoff /dev/sda2 |
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> >> |
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> >> dd if=/dev/zero of=/dev/sda2 bs=512 conv=notrunc |
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> >> |
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> >> mkswap -L swap -c /dev/sda2 |
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> >> |
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> >> swapon /dev/sda2 |
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> >> |
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> >> and hopefully the problem will be gone when you run the next smartctl test. |
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> >> |
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> >> -- |
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> >> Regards, |
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> >> Mick |
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> > |
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> > Sorry for stuutering postings...overlocked this one: |
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> > #>dd if=/dev/zero of=/dev/sda2 bs=512 conv=notrunc |
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> > dd: error writing ‘/dev/sda2’: Input/output error |
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> > |
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> > Hrrrmpfff... |
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> > |
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> > Why does it nt remap those ones? |
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> > |
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> > Best regards, |
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> > mcc |
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> > |
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> > |
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> > |
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> > |
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> > |
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> > |
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> > |
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> smartctl -a /dev/sda |
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> |
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> without those information: crystal ball. |
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> |
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> that said: it is swap. You shouldn't have to do anything. Don't touch dd. |
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> |
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> |
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> |
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|
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|
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Hi Volker, |
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|
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what happens if swapped is used and the write access tapped on the |
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bad area? |
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|
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Here is the output of smartctl: |
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|
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|
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smartctl 6.1 2013-03-16 r3800 [x86_64-linux-3.14.13-RT] (local build) |
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Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org |
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|
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=== START OF INFORMATION SECTION === |
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Model Family: Western Digital Caviar Green (AF) |
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Device Model: WDC WD10EARS-00Y5B1 |
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Serial Number: WD-WMAV51276611 |
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LU WWN Device Id: 5 0014ee 001f5fb47 |
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Firmware Version: 80.00A80 |
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User Capacity: 1,000,204,886,016 bytes [1.00 TB] |
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Sector Size: 512 bytes logical/physical |
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Device is: In smartctl database [for details use: -P show] |
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ATA Version is: ATA8-ACS (minor revision not indicated) |
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SATA Version is: SATA 2.6, 3.0 Gb/s |
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Local Time is: Sat Jul 26 14:16:19 2014 CEST |
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SMART support is: Available - device has SMART capability. |
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SMART support is: Enabled |
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|
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=== START OF READ SMART DATA SECTION === |
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SMART overall-health self-assessment test result: PASSED |
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|
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General SMART Values: |
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Offline data collection status: (0x84) Offline data collection activity |
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was suspended by an interrupting command from host. |
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Auto Offline Data Collection: Enabled. |
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Self-test execution status: ( 121) The previous self-test completed having |
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the read element of the test failed. |
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Total time to complete Offline |
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data collection: (19380) seconds. |
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Offline data collection |
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capabilities: (0x7b) SMART execute Offline immediate. |
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Auto Offline data collection on/off support. |
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Suspend Offline collection upon new |
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command. |
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Offline surface scan supported. |
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Self-test supported. |
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Conveyance Self-test supported. |
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Selective Self-test supported. |
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SMART capabilities: (0x0003) Saves SMART data before entering |
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power-saving mode. |
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Supports SMART auto save timer. |
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Error logging capability: (0x01) Error logging supported. |
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General Purpose Logging supported. |
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Short self-test routine |
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recommended polling time: ( 2) minutes. |
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Extended self-test routine |
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recommended polling time: ( 223) minutes. |
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Conveyance self-test routine |
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recommended polling time: ( 5) minutes. |
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SCT capabilities: (0x3031) SCT Status supported. |
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SCT Feature Control supported. |
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SCT Data Table supported. |
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|
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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 UPDATED WHEN_FAILED RAW_VALUE |
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1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 |
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3 Spin_Up_Time 0x0027 129 113 021 Pre-fail Always - 6508 |
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4 Start_Stop_Count 0x0032 097 097 000 Old_age Always - 3957 |
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5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 |
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7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 |
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9 Power_On_Hours 0x0032 081 081 000 Old_age Always - 14476 |
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10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 |
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11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 |
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12 Power_Cycle_Count 0x0032 097 097 000 Old_age Always - 3808 |
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192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 324 |
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193 Load_Cycle_Count 0x0032 196 196 000 Old_age Always - 14602 |
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194 Temperature_Celsius 0x0022 115 101 000 Old_age Always - 32 |
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196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 |
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197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 1 |
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198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 1 |
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199 UDMA_CRC_Error_Count 0x0032 200 197 000 Old_age Always - 13300 |
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200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 1 |
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|
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SMART Error Log Version: 1 |
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No Errors Logged |
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|
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SMART Self-test log structure revision number 1 |
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Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error |
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# 1 Conveyance offline Completed: read failure 90% 14472 4288352511 |
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# 2 Extended offline Completed: read failure 90% 14460 4288352511 |
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# 3 Extended offline Completed without error 00% 13954 - |
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# 4 Short offline Completed without error 00% 13935 - |
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# 5 Extended offline Completed without error 00% 7051 - |
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# 6 Extended offline Completed without error 00% 2205 - |
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# 7 Short offline Completed without error 00% 463 - |
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|
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SMART Selective self-test log data structure revision number 1 |
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SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS |
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1 0 0 Not_testing |
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2 0 0 Not_testing |
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3 0 0 Not_testing |
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4 0 0 Not_testing |
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5 0 0 Not_testing |
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Selective self-test flags (0x0): |
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After scanning selected spans, do NOT read-scan remainder of disk. |
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If Selective self-test is pending on power-up, resume after 0 minute delay. |
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|
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Best regards, |
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mcc |
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