High realocation events on new HDD

[lombaeb]

Hi
On a new (one week old) laptop HD, I get the following info using DiskCheckup. In particular the high values for the "Reallocation Event Count" (4145), "Current Pending Sector Count" (617) and "Uncorrectable Sector Count" (1405) seem very high for a new drive, and are rapidly increasing (values of 341, 13, 504 respectively on the first day, and 4145, 617, 1405 after a week).

I have seen disks with much lower values being reported as "FAIL", while this disk reports them as "OK" (the issue seems that these sector reallocation events are not listed as critical SMART data for this HDD, while for other drives it is).

Is this disk busy failing, and should it be replaced? Any sugestions welcome.

DiskCheckup Version: DiskCheckup V2.1 Build: 1003
SmartDisk DLL Version: SmartDisk DLL SDK v1.0 Build: 1017
Time of export: 11:02:39 13-Feb-2009
Device ID: 0
Device Capacity: 238472 MB
Serial Number: S1KTJD0Q801409
Model Number: SAMSUNG HM251JJ
1 Raw Read Error Rate 1 OK 100 100 51 N.A.
3 Spin Up Time 3187ms OK 252 252 25 N.A.
4 Start/Stop Count 248 OK 100 100 0 N.A.
5 Reallocated Sector Count 0 OK 252 252 10 N.A.
9 Power On Time 68 OK 252 252 0 N.A.
C Power Cycle Count 21 OK 100 100 0 N.A.
BF Gsense Error Rate 62 OK 100 100 0 N.A.
C0 Power off Retract Count 0 OK 252 252 0 N.A.
C2 Temperature 44 C OK 106 91 0 N.A.
C4 Reallocation Event Count 4145 OK 100 100 0 N.A.
C5 Current Pending Sector Count 617 OK 100 100 0 N.A.
C6 Uncorrectable Sector Count 1405 OK 100 100 0 N.A.
C7 UltraDMA CRC Error Count 0 OK 252 252 0 N.A.
C8 Write Error Count 0 OK 252 252 0 N.A.
FE (Unknown attribute) 33554432 OK 252 252 0 N.A.

[David (PassMark)]

The manufacturers don't supply the specifications for their drives, so it is hard to know the real meaning of the raw numbers. And you can't compare the raw numbers of drives that comes from different manufacturers as there is no industry standard.

I wouldn't be overly worried at this point. Just keep good backups.

[lombaeb]

Thanks for the quick response.
I also notice the raw read error rate of 1 (which is well below the threshold, but not 0) - is this normal on a new disk?

[David (PassMark)]

The answer is the same, the meaning of the raw values varies between different manufacturers as there is no industry standard. So unless you have several examples of the same drive to compare, you'll need to ask Samsung about the meaning. (And they won't answer you, based on past form).