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Increasing reallocated sectors count: how to check hardware
Hello! My ReadyNAS have detected massive increasing amount of reallocated sectors at one of 2 my mirrored HDDs. I pulled the HDD out to run some tests. S.M.A.R.T analysis detected reallocated sector...
gpn12buy wrote:
But further surface tests did not find any problems,
Did you do the destructive write test, or only read tests? I've had drives which pass the read tests, but which fail on the write-zeros test.
It's hard to envision a failure mode of the bay that would cause the drive to increase its reallocated sector count.
gpn12buy wrote:
But further surface tests did not find any problems,
Did you do the destructive write test, or only read tests? I've had drives which pass the read tests, but which fail on the write-zeros test.
It's hard to envision a failure mode of the bay that would cause the drive to increase its reallocated sector count.
Hello, Stephen. Thank you for the reply. I haven't tried write tests yet and I understand that the most probable cause of those errors is HDD. I have no option to backup my data due to some reasons. This is the primary concern for not taking anything destructive. So, is it ok to swap HDDs in bays as the first step?
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