Question High Reallocated Sectors Count and Current Pending Sector Count and Uncorrectable Sector Count, Is the disk dead?

MonsterMMORPG

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May 16, 2016
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I am using a raid 1 system. Yesterday one of the disks caused raid 1 degradation

Today i have connected that disk into another computer

From smart data of the disk I see the following problems

Reallocated Sectors Count : Raw data A50 : in decimals : 2640

Current Pending Sector Count : 78 : in decimals : 120

Uncorrectable Sector Count : 78 : in decimals : 120

Seek Error rate : 10CE63651 : in decimals : 4,511,381,073

Reported Uncorrectable Errors : 6

Command Timeout : 10002 : in decimals : 65,538

Here the full smart data taken from Crystal Disk Info 8.1.0 x64

Can i say that this disk is gone for warranty replacement?

The disk is

-- S.M.A.R.T. --------------------------------------------------------------
ID Cur Wor Thr RawValues(6) Attribute Name
01 _70 _64 _44 000001371F33 Read Error Rate
03 _94 _93 __0 000000000000 Spin-Up Time
04 100 100 _20 00000000001D Start/Stop Count
05 _99 _99 _10 000000000A50 Reallocated Sectors Count
07 _83 _60 _45 00010CE63651 Seek Error Rate
09 _99 _99 __0 0000000005C1 Power-On Hours
0A 100 100 _97 000000000000 Spin Retry Count
0C 100 100 _20 00000000000F Power Cycle Count
B8 100 100 _99 000000000000 End-to-End Error
BB _94 _94 __0 000000000006 Reported Uncorrectable Errors
BC 100 100 __0 000000010002 Command Timeout
BD 100 100 __0 000000000000 High Fly Writes
BE _66 _59 _40 000022210022 Airflow Temperature
BF 100 100 __0 000000000000 G-Sense Error Rate
C0 100 100 __0 00000000000F Power-off Retract Count
C1 _99 _99 __0 000000000C75 Load/Unload Cycle Count
C2 _34 _41 __0 001600000022 Temperature
C3 _26 __6 __0 000001371F33 Hardware ECC recovered
C5 100 100 __0 000000000078 Current Pending Sector Count
C6 100 100 __0 000000000078 Uncorrectable Sector Count
C7 200 200 __0 000000000000 UltraDMA CRC Error Count



The disk info

Seagate
Model : ST4000NM0024-1HT178
Firmware : SN06
Serial Number : Z4F0PA2L
Disk Size : 4000.7 GB (8.4/137.4/4000.7/----)
Buffer Size : Unknown
Queue Depth : 32
# of Sectors : 7,814,037,168
Rotation Rate : 7200 RPM
Interface : Serial ATA
Major Version : ACS-3
Minor Version : ----
Transfer Mode : SATA/600 | SATA/600
Power On Hours : 1473 hours
Power On Count : 15 count
Temperature : 34 C (93 F)
Health Status : Caution
Features : S.M.A.R.T., 48bit LBA, NCQ
APM Level : ----
AAM Level : ----
Drive Letter :
 
Last edited:
The actual number of Command Timeouts is 2 and the number of Seek Errors is 1, but the Reallocated Sector Count is very bad.

Seek Error Rate, Read Error Rate and Hardware ECC Recovered SMART attributes:
http://www.hddoracle.com/viewtopic.php?f=6&t=89

Seagate SMART Attribute Specification:
http://t1.daumcdn.net/brunch/service/user/axm/file/zRYOdwPu3OMoKYmBOby1fEEQEbU.pdf

Normal SATA SMART Attribute Behavior (Seagate):
http://t1.daumcdn.net/brunch/service/user/axm/file/Vw3RJSZllYbDc86ssL6bofiL4r0.pdf
 
None of the SMART attributes have fallen below their respective thresholds, so a warranty replacement may be denied on this basis. I would run SeaTools and hope that it fails with a Test Code. That said, the replacement will probably be a refurbished unit, possibly with its own history of problems.
 

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