5/31/2023 0 Comments Crystal report hdd![]() This is a serious shortcoming, for if such a drive contains marginal sectors that consistently fail only after some time has passed following a successful write operation, then the drive will never remap these problem sectors. However, some drives will not immediately remap such sectors when written instead the drive will first attempt to write to the problem sector and if the write operation is successful then the sector will be marked good (in this case, the "Reallocation Event Count" (0xC4) will not be increased). Read errors on a sector will not remap the sector immediately (since the correct value cannot be read and so the value to remap is not known, and also it might become readable later) instead, the drive firmware remembers that the sector needs to be remapped, and will remap it the next time it's written. If an unstable sector is subsequently read successfully, the sector is remapped and this value is decreased. In the block from the wiki I posted, you can read about it.Ĭount of "unstable" sectors (waiting to be remapped, because of unrecoverable read errors). It depends on how the harddisk firmware treats the bad sectors.
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