my laptop sometimes stop responding with disk errors

[Asif Iqbal]

On Fri, Mar 4, 2011 at 11:16 PM, Jeff Lane <jeff at ubuntu.com> wrote:
> On Fri, Mar 4, 2011 at 22:07, Asif Iqbal <vadud3 at gmail.com> wrote:
>> So I am seeing these errors. Do I need to start thinking about
>> replacing the disk or can this be fixed. It is a 750G disk. I have
>> used 67% of it. It is
>> running ubuntu maverick Linux mylaptop 2.6.35-28-generic #49-Ubuntu
>> SMP Tue Mar 1 14:39:03 UTC 2011 x86_64 GNU/Linux
>
> Yep... Probably time to start considering a new hard disk.
>
> You can test the hard disk (or you SHOULD be able to) using SMART...
>
> do this:
>
> sudo smartctl --all /dev/sda
>
> and see what that tells you about the health of your hard disk...

$ sudo smartctl --all /dev/sda  shows PASSED

smartctl 5.40 2010-03-16 r3077 [x86_64-unknown-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===
Device Model:     WDC WD7500BPVT-00HXZT1
Serial Number:    WD-WX21A50V9604
Firmware Version: 01.01A01
User Capacity:    750,156,374,016 bytes
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   8
ATA Standard is:  Exact ATA specification draft version not indicated
Local Time is:    Sat Mar  5 02:03:09 2011 EST
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:  (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: 		 (15960) 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: 	 ( 185) minutes.
Conveyance self-test routine
recommended polling time: 	 (   5) minutes.
SCT capabilities: 	       (0x7035)	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   167   167   051    Pre-fail
Always       -       2097
  3 Spin_Up_Time            0x0027   205   205   021    Pre-fail
Always       -       733
  4 Start_Stop_Count        0x0032   100   100   000    Old_age
Always       -       335
  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   096   096   000    Old_age
Always       -       3477
 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   100   100   000    Old_age
Always       -       331
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age
Always       -       76
193 Load_Cycle_Count        0x0032   200   200   000    Old_age
Always       -       2387
194 Temperature_Celsius     0x0022   107   077   000    Old_age
Always       -       40
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   100   253   000    Old_age
Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age
Always       -       0
200 Multi_Zone_Error_Rate   0x0008   100   253   000    Old_age
Offline      -       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       Aborted by host               10%         3         -

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.


>
> If you don't happen to have smartctl installed, you can install it like so:
>
> sudo apt-get install smartmontools
>
> Either way, you should start backing up your data NOW.
>
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-- 
Asif Iqbal
PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
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