Volker Armin Hemmann <volkerar...@googlemail.com> [14-07-26 14:08]:
> Am 26.07.2014 12:26, schrieb meino.cra...@gmx.de:
> > Mick <michaelkintz...@gmail.com> [14-07-26 11:28]:
> >> On Saturday 26 Jul 2014 02:49:15 meino.cra...@gmx.de wrote:
> >>> Hi,
> >>>
> >>> After running smartctl for an extended offline test I got
> >>> a badblock (information extracted from the report):
> >>>
> >>> SMART Self-test log structure revision number 1
> >>> Num Test_Description Status Remaining
> >>> LifeTime(hours)
> >>> LBA_of_first_error # 1 Extended offline Completed: read failure
> >>> 90% 14460 4288352511 197 Current_Pending_Sector 0x0032 200
> >>> 200 000 Old_age Always - 1
> >>>
> >>> I found a explanation to map the LBA to a partition here:
> >>> http://smartmontools.sourceforge.net/badblockhowto.html
> >>>
> >>> My partition layout is:
> >>> #> sudo fdisk -lu /dev/sda
> >>>
> >>> Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
> >>> Units: sectors of 1 * 512 = 512 bytes
> >>> Sector size (logical/physical): 512 bytes / 512 bytes
> >>> I/O size (minimum/optimal): 512 bytes / 512 bytes
> >>> Disklabel type: dos
> >>> Disk identifier: 0x07ec16a2
> >>>
> >>> Device Boot Start End Blocks Id System
> >>> /dev/sda1 * 2048 104447 51200 83 Linux
> >>> /dev/sda2 104448 12687359 6291456 82 Linux swap / Solaris
> >>> /dev/sda3 12687360 222402559 104857600 83 Linux
> >>> /dev/sda4 222402560 1953525167 865561304 5 Extended
> >>> /dev/sda5 222404608 232890367 5242880 83 Linux
> >>> /dev/sda6 232892416 442607615 104857600 83 Linux
> >>> /dev/sda7 442609664 652324863 104857600 83 Linux
> >>> /dev/sda8 652326912 862042111 104857600 83 Linux
> >>> /dev/sda9 862044160 1071759359 104857600 83 Linux
> >>> /dev/sda10 1071761408 1281476607 104857600 83 Linux
> >>> /dev/sda11 1281478656 1491193855 104857600 83 Linux
> >>> /dev/sda12 1491195904 1953525167 231164632 83 Linux
> >>> 4288352511 <<< The number reported by smartctl
> >>>
> >>>
> >>> Following the linked document...
> >>> It seems the bad LBA is not on the checked harddisk.
> >>>
> >>> Or (more obvious) I did something wrong...
> >> You are probably comparing different units. The Start and End of fdisk
> >> are
> >> reporting sectors, each sector being 512 bytes. Therefore if the LBA is
> >> reported by smartctl in bytes, you have:
> >>
> >> 4,288,352,511 ÷ 512 = 8,375,688.5
> >>
> >> which would place it within your swap partition.
> >>
> >> I would do this:
> >>
> >> swapoff /dev/sda2
> >>
> >> dd if=/dev/zero of=/dev/sda2 bs=512 conv=notrunc
> >>
> >> mkswap -L swap -c /dev/sda2
> >>
> >> swapon /dev/sda2
> >>
> >> and hopefully the problem will be gone when you run the next smartctl test.
> >>
> >> --
> >> Regards,
> >> Mick
> >
> > Sorry for stuutering postings...overlocked this one:
> > #>dd if=/dev/zero of=/dev/sda2 bs=512 conv=notrunc
> > dd: error writing ‘/dev/sda2’: Input/output error
> >
> > Hrrrmpfff...
> >
> > Why does it nt remap those ones?
> >
> > Best regards,
> > mcc
> >
> >
> >
> >
> >
> >
> >
> smartctl -a /dev/sda
>
> without those information: crystal ball.
>
> that said: it is swap. You shouldn't have to do anything. Don't touch dd.
>
>
>
Hi Volker,
what happens if swapped is used and the write access tapped on the
bad area?
Here is the output of smartctl:
smartctl 6.1 2013-03-16 r3800 [x86_64-linux-3.14.13-RT] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar Green (AF)
Device Model: WDC WD10EARS-00Y5B1
Serial Number: WD-WMAV51276611
LU WWN Device Id: 5 0014ee 001f5fb47
Firmware Version: 80.00A80
User Capacity: 1,000,204,886,016 bytes [1.00 TB]
Sector Size: 512 bytes logical/physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS (minor revision not indicated)
SATA Version is: SATA 2.6, 3.0 Gb/s
Local Time is: Sat Jul 26 14:16:19 2014 CEST
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: (0x84) Offline data collection activity
was suspended by an interrupting
command from host.
Auto Offline Data Collection: Enabled.
Self-test execution status: ( 121) The previous self-test completed having
the read element of the test failed.
Total time to complete Offline
data collection: (19380) 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: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 223) minutes.
Conveyance self-test routine
recommended polling time: ( 5) minutes.
SCT capabilities: (0x3031) SCT Status supported.
SCT Feature Control supported.
SCT Data Table supported.
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 0x002f 200 200 051 Pre-fail Always
- 0
3 Spin_Up_Time 0x0027 129 113 021 Pre-fail Always
- 6508
4 Start_Stop_Count 0x0032 097 097 000 Old_age Always
- 3957
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always
- 0
7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always
- 0
9 Power_On_Hours 0x0032 081 081 000 Old_age Always
- 14476
10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always
- 0
11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always
- 0
12 Power_Cycle_Count 0x0032 097 097 000 Old_age Always
- 3808
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always
- 324
193 Load_Cycle_Count 0x0032 196 196 000 Old_age Always
- 14602
194 Temperature_Celsius 0x0022 115 101 000 Old_age Always
- 32
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always
- 0
197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always
- 1
198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline
- 1
199 UDMA_CRC_Error_Count 0x0032 200 197 000 Old_age Always
- 13300
200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline
- 1
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 Conveyance offline Completed: read failure 90% 14472
4288352511
# 2 Extended offline Completed: read failure 90% 14460
4288352511
# 3 Extended offline Completed without error 00% 13954 -
# 4 Short offline Completed without error 00% 13935 -
# 5 Extended offline Completed without error 00% 7051 -
# 6 Extended offline Completed without error 00% 2205 -
# 7 Short offline Completed without error 00% 463 -
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
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.
Best regards,
mcc
