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Pending Drive Failure - Need Advice
I have an RN424 with three WD Red 6TB drives (WD60EFRX). A review of my log today indicates occasional "reallocated sector counts" and a recent single logged "ATA error count [14]." A popup indicated that I should prepare for a disk failure. To this end, I have some questions: Can the WD Red (WD60EFRX) be replaced with a WS Red Plus 6TB drive (WD60EFPX or WD60EFZX)? WD60EFRX Red drives seem to no longer be available. Also, the WD Red drives are SMS whereas the Plus drives are CMR. Does this matter? If the drive fails, do I just need to hot remove the failed drive and hot insert the new drive? About how long should I expect data recovery to take? Will my data still be accessible if and after the drive has failed, before I have installed a new replacement drive? Should I pre-emptively replace the "failing" drive before it actually fails? thanks