I would like to point to a study google did on hard drive failures and
with some mentions of SMART
btw, the used over 100,000 drives for the data on this study. (they
didn't give an exact amount)
http://labs.google.com/papers/disk_failures.pdf
page 10, section 3.5.6
"out of all failed drives, over 56% of them have no count in any of
the four strong SMART signals..."
Even when they added all smart signals, 36% of all drives still had no
failure signals.
They did say that if SMART does give an error, that it is many times
more likely to fail within the next 60 days. But that its not worth
putting all your trust in it.
On Sat, Aug 30, 2008 at 4:19 PM, Matthew Rogers <matt@runithard.com> wrote:
> I've found http://smartmontools.sourceforge.net/ an invaluable tool for
> checking on HD status. In fact on my production servers I have a smart check
> run every night and have a script to auto email if ANYTHING other than OK is
> reported.
>
> --Matt
>
> Eben King wrote:
>>
>> On Sat, 30 Aug 2008, Daniel Jarboe wrote:
>>
>>> On Sat, Aug 30, 2008 at 12:30 AM, Eben King <eben01@verizon.net> wrote:
>>>
>>>> My USB drive -- a Venus case with a 350M PATA inside (can't read the
>>>> drive
>>>> to get the model) won't read. Partition 6 and 7 fail with these errors:
>>
>> [snip]
>>
>>> Are you running a SATA system? If not, you could just remove the drive
>>> from
>>> the external enclosure, put it on one of your IDE ribbons (double-check
>>> that
>>> the drive jumpers are set correctly for CS/master/slave) to find out.
>>
>> I am, but this drive ("a 350M PATA") isn't, so I don't need to be.
>> Anyhow, I turned it off last night, and today I tried again and it worked.
>> So I'm guessing something with heat. The case has one of those flatish
>> fans, but maybe that's insufficient.
>>
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