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Forum Discussion
how many reallocated sectors indicate a drive should be thrown out?
I purchased some used hard drives on Ebay and crystal disk info is flagging them as bad due to reallocated sectors. Do reallocated sectors show the drive will fail soon or could the drive work fo...
I had a very similar issue and can confirm that if the drive is still working, it is only a matter of time (maybe hours) before it completely crashes.
I was using a Seagate Barracuda 1TB HDD (a desktop class drive that really should be used in a NAS application), in my ReadyNAS RN202 when it started to report reallocated sectors. It started with just a few and within a couple of days climbed to over 3,500. The last warning message from the RN202 was at about 3,900 bad sectors when the drive completely failed and the ReadyNAS went into degraded mode.
Even at 50%, I don't think these drives are worth the money since any data you put on them is subject to total loss. If you use more than one of these drives in your NAS you may lose data that cannot be recovered.
Hope this helps.
Regards,
David
I agree with the others. It is subjective as to when disks need replacing but by any measure 4,000 reallocated sectors is a huge amount beyond that point.
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