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 PostPost subject: Hard disk reliability        Posted: Wed Mar 07, 2007 4:32 am 
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I know this has been discussed before, but listening to the GRC.com talk on the google findings has made me more aware of the reliability of drives.

It was found in the google study that drives have a higher failure rate when cold or hot than at an ambient temperature, which we should assume is about 20*c. It was also found that S.M.A.R.T monitoring actually doesn't correctly report the health of the drives in over 55% of cases studied by google! You may be asking why do they use it, and to be honest, I don't know. If the reliability of that data is so low, then you certainly can't rely on it for the reliability of your hard drive.

It was also mentioned that older drives are more reliable than newer drives. How I don't know but newer drives are less suseptible to temperature changes than older drives, so bear that in mind when deciding if cooling is necessary.

The talk mentioned something called the bathtub effect where drives are reported to fail more often in their first 6 months of life. They show a higher failure rate in the first 6 months, then it drops to a very low failure rate, then a few years later it increases again, and this is when the drive will fail.

In conclusion I still stand by what Ive previously said. Always cool your hard disk with a hard disk cooler, and always backup your data! You never know when a drive is going to fail and S.M.A.R.T won't tell you either.

I hope this information helps people as it has helped me.

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 PostPost subject:        Posted: Sat Mar 24, 2007 6:13 pm 
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s.m.a.r.t never tells me anything :(
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 PostPost subject:        Posted: Sat Mar 24, 2007 6:37 pm 
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I got also a Harddrive failed - no s.m.a.r.t. message nothing, Fitness of the HDD was okay an then . . . i lost my Data because the HDD has an " click" noise @ the mechnic ( actuator or an other modul ) hmm i lost my webseite source und much other stuff ( it was a WDC 20Gb IDE model ) what I dont understand : my OS was on a partition of this corrupt Harddrive and it Boots Up till Desktop but then . . . I can't do nothing :(

@s.m.a.r.t. : Now I have an Sata Controller PCI Slot - i get no s.m.a.r.t no temps nothing but its no loss for me :?

noticed : my HDDs was cooled at 2x80mm FANs in front of the HDDs -
The HDDs are not more produced for stable about 10k of years like automobils they have defekts bugs etc, in the past hardware was stable and a god investment for the future but now . . .


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 PostPost subject:        Posted: Sun Mar 25, 2007 10:12 am 
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I recommend using HDD Health, decent app, reports some useful information.

As for older drives being more reliable, that's probably down to people trying to make things as cheap as possible.

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