Hard disk health and reliability analysis

Almost every EIDE or SATA hard disk includes S.M.A.R.T. data. That information is collected by the drive itself and contains data that the manufacturer considered relevant to check reliability. The data is made up of several attributes that have a current value, a worst one, a threshold, some raw data, and some flags. Basically, when any attribute's current value is below its threshold, the hard disk is considered unreliable and likely to fail. By using several techniques, this report tries to give a wider range of information, basing its analysis on advanced comparisons with normal values based on real hard disks and on expert-like checks. The final results are not to be taken as an absolute truth, but they are almost as good as a professional expert advice about your hard disk status.

Your hard disk is a WDC WD800BB-00CJA1 with firmware 17.07W17.
Your hard disk is not reporting its temperature.
This is normal for this hard disk model.

  Attribute   Current   Raw
Raw Read Error Rate 186 000000000067
Spin Up Time 119 0000000012E1
Start/Stop Count 100 000000000201
Reallocated Sector Count 199 000000000003
Seek Error Rate 200 000000000000
Power On Hours Count 62 000000006E9C
Spin Retry Count 100 000000000000
Calibration Retry Count 100 000000000000
Power Cycle Count 100 0000000001A4
Reallocated Event Count 197 000000000003
Current Pending Sector 134 000000000363
Offline Uncorrectable Sector Count 1 000000001240
Ultra DMA CRC Error Rate 200 000000000002
Write Error Rate 1 000000001A0E

Troubled attributes:
Attribute Raw Read Error Rate failed in the past. Its current value is 186, the worst value was 1 and the threshold is 51. According to the manufacturer, this is a pre-failure condition.
Attribute Write Error Rate is failing now! Its current value is 1, the worst value was 1 and the threshold is 51. According to the manufacturer, this is a pre-failure condition.

BLOCKING ISSUE : your hard disk has 867 pending sectors (this value is very large and your hard disk should be replaced). Those are sectors that couldn't be properly read and that the hard disk logic is waiting for a write operation to try to remap to a spare sector (if available). According to the Reallocated Sector Count attribute, your hard disk seems to have available spare sectors. A simple disk surface scan won't be enough to force the remap operation. You need a read/write surface scan to remap the sector. The best option should be a tool that knows about what should be read from that sector so that it has some option to apply the best fix to the missing data.

BLOCKING ISSUE : your hard disk has 4672 offline uncorrectable sectors (this value is very large and your hard disk should be replaced). Those are sectors that an offline scanning found as unreadable. Offline scanning is a process that can be automatically started by the hard disk logic when a long enough idle period is detected or that can be forced by some tool. Those unreadable sectors are identified and the hard disk logic is waiting for a write command that will overwrite them to try to remap them to spare sectors (if available). According to the Reallocated Sector Count attribute, your hard disk seems to have available spare sectors. A simple disk surface scan won't be enough to force the remap operation. You need a read/write surface scan to remap the sector. The best option should be a tool that knows about what should be read from that sector so that it has some option to apply the best fix to the missing data.

The overall fitness for this drive is 0%.
The overall performance for this drive is 100%.

The link to get back and see a new report about this hard disk in the future is this. Consider that new hard disks and new checks are added over time.


DISCLAIMER: this report does its best to highlight issues and warnings related to your hard disk. It cannot be held responsible for any mistake. This page and its results cannot be used in any other way but the one defined by its author.