Monday, August 24, 2015

hard drive - What raw data value of S.M.A.R.T. Raw_Read_Error_Rate means?

My Synology NAS shows the following S.M.A.R.T. data for my Western Digital WD20EADS-00S2B0:
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What is this Raw data value equal to 402 means? The current Value and Worst value looks OK. Should I be worried about hard drive health?

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