Re: bad blocks and surface scans

"Rob Hemmings" <rkh@xxxxxxxxxxxxxxx> wrote in
news:dtmtjf$jb0$1@xxxxxxxxxxxxxxxxx:

I agree with Mike - you really do need to run their own diagnostic
(Drive Fitness Test) at this point. Start with the Quick tests and
see what that throws-up:
http://www.hitachigst.com/hdd/support/download.htm#Drive%20fitness

Thanks, I'll take a look at that.

My dilemma really is that although the bad sectors have been developing at
what to me is an alarming rate (5 in five days), this doesn't even register
as a blip on SMART's radar - the reallocated sector value is still 100%.

Even if we assume I'm only one bad sector away from falling to 99%, the
implication -- given that the failure threshold is 5% for this parameter --
is that I would need to have 1400 sectors mapped out before SMART
considered failure to be imminent, which at this rate would take another 4
years. So I wonder if I'm worrying unduly when only one hundredth that
number of sectors have failed. Anyhow I'll certainly keep the drive well
backed up, and will see what the above diagnostics prog. has to say.

.

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