Fixing a crashed disk

[Steven Stern]

On 10/29/2012 07:53 AM, Dave Ihnat wrote:
> Once, long ago--actually, on Mon, Oct 29, 2012 at 06:19:59AM CDT--Alan Cox (alan at lxorguk.ukuu.org.uk) said:
>> Rubbish.
> 
> Beg to differ.  Remember, drives have reserved storage to remap bad sectors
> *before* you ever see a bad sector at the interface.  So, by the time you
> think you're seeing only 8 bad sectors, you've actually burned through
> the reserved sectors--many more have failed than you realize.
> 
> Look at the SMART report on the drive; that will tell you how many sectors
> have been reallocated and how many spare sectors are left in the G-list
> (user microcode remapping).
> 
> G'luck,
> --
> 	Dave Ihnat
> 	dihnat at dminet.com
> 

So... Am I OK or an Deep S**t?  Reallocated Sector Count is 0. Good?

=== START OF INFORMATION SECTION ===
Model Family:     Seagate Barracuda (SATA 3Gb/s, 4K Sectors)
Device Model:     ST2000DM001-9YN164
Serial Number:    W1E0KZKN
LU WWN Device Id: 5 000c50 049dbcb2d
Firmware Version: CC4B
User Capacity:    2,000,398,934,016 bytes [2.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   8
ATA Standard is:  ATA-8-ACS revision 4
Local Time is:    Mon Oct 29 07:58:59 2012 CDT
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: 		(  575) seconds.
Offline data collection
capabilities: 			 (0x73) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					No 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: 	 (   1) minutes.
Extended self-test routine
recommended polling time: 	 ( 225) minutes.
Conveyance self-test routine
recommended polling time: 	 (   2) minutes.
SCT capabilities: 	       (0x3085)	SCT Status supported.

SMART Attributes Data Structure revision number: 10
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   118   099   006    Pre-fail  Always
      -       168095056
  3 Spin_Up_Time            0x0003   095   094   000    Pre-fail  Always
      -       0
  4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always
      -       30
  5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always
      -       0
  7 Seek_Error_Rate         0x000f   072   060   030    Pre-fail  Always
      -       15042880
  9 Power_On_Hours          0x0032   099   099   000    Old_age   Always
      -       1689
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always
      -       0
 12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always
      -       30
183 Runtime_Bad_Block       0x0032   100   100   000    Old_age   Always
      -       0
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always
      -       0
187 Reported_Uncorrect      0x0032   082   082   000    Old_age   Always
      -       18
188 Command_Timeout         0x0032   100   100   000    Old_age   Always
      -       0
189 High_Fly_Writes         0x003a   100   100   000    Old_age   Always
      -       0
190 Airflow_Temperature_Cel 0x0022   064   056   045    Old_age   Always
      -       36 (Min/Max 33/41)
191 G-Sense_Error_Rate      0x0032   100   100   000    Old_age   Always
      -       0
192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always
      -       10
193 Load_Cycle_Count        0x0032   091   091   000    Old_age   Always
      -       19452
194 Temperature_Celsius     0x0022   036   044   000    Old_age   Always
      -       36 (0 21 0 0 0)
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always
      -       0
198 Offline_Uncorrectable   0x0010   100   100   000    Old_age
Offline      -       0
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always
      -       0
240 Head_Flying_Hours       0x0000   100   253   000    Old_age
Offline      -       29038273889717
241 Total_LBAs_Written      0x0000   100   253   000    Old_age
Offline      -       17196577503767
242 Total_LBAs_Read         0x0000   100   253   000    Old_age
Offline      -       43502398465569


-- 
-- Steve