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Dear Sir or Madam,
thank you for your interest in Maxtor and our products.
SMART errors can indicate that there might be a problem with your drive in the future, however this is not always the case. There are many different reasons why SMART messages might be displayed. For each hard drive there are thresholds of the amount of errors/retries that are allowed before a SMART warning is displayed. Let me give you some examples:
Example 1: There is a certain threshold for sector allocation (when a bad sector is discovered, marked as bad and a spare sector is allocated in it's place). If too many bad sectors have been discovered a SMART warning will be displayed. This does however not automatically mean that the drive will certainly display more bad sectors and will ultimately fail.
Let me explain why: When there is a problem accessing a certain area on the hard drive this sector will be marked as bad and SMART will record a problem. However, the reason for that access problem doesn't necessarily mean a physical fault on the drive, it can also be due to a transmission problem through the cable or the controller or through electronic noise problems in your system. SMART does not distinguish between those, our diagnostic tool PowerMax does. If you have a problem with bad sectors, always run the full low level format in PowerMax. If this displays an error the drive is faulty and needs to be replaced, if not the drive is free of bad sectors or the allocation count is actually under the threshold that would warrant a replacement.
Example 2: SMART also records when there is a problem with the drive spinning up. This also does not automatically mean that the drive is faulty. If the drive does not spin up within a certain time period it will be recorded in SMART, even if the drive spins up only a fraction of a second after the end of this period. This means you might not ever see a problem with the drive as it still spins up quickly enough for the System to recognise it but after a while (because it is over the threshold for the spin retry) the system will display a SMART warning. Again the reason why the drive is not spinning up in time might not even be related to the hard drive itself, it could be a problem with the ide cable, as well as the power cable or power supply.
The only way to remove a SMART error displayed on boot, is to disable SMART check in the System BIOS. Since the SMART values are stored on the hard drive, these messages will also be displayed when the drive is used in another system.
NOTE: On some occasions SMART errors disappear after a while (often after the drive has been tested extensively), if these don't reappear and our test software does not display any error codes, there is no need to replace the drive.
It is usually not necessary to replace drives that display SMART errors, provided they have been tested error free with our diagnostic tool PowerMax, but as a courtesy to our clients Maxtor is prepared to replace the drive for you, if you so wish.
However, if only a third party SMART utility displays errors but neither the system BIOS nor PowerMax can find anything wrong with the drive, there is no sufficient reason to replace it.
If you have any questions please don't hesitate to contact us. In order to allow us to deal with all enquiries as efficiently and accurately as possible we would ask that you include any previous emails when replying to us.
Kind Regards,
Ian McHardy
Technical Support Team, Maxtor Ireland Ltd.
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Voor 62% gewijzigd door
Raptor34 op 09-05-2005 19:14
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