What is the best place to find MTBF stats for HP Hardware

Does anyone know a website where I can find out MTBF stats for HP hardware (HP proliant components specifically)
MSSUKAsked:
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andyalderConnect With a Mentor Commented:
It's not really possible to produce such figures, MTBF so far may be available (some datacentres could have enough servers to make reasonable calculations) but there may be some unknown limited life components that mean they all start to fail after 7 years and if none of them are 7 years old yet you would get falsely high MTBF figures.

Assuming they are PCIe based then you can ignore disks* and Smart Array controllers for spares since brand new later generation ones will do, and if they are G6 and above you can ignore PSUs as well as they're common slot. There are stil whole DL380 G2s and G3s on eBay and they're 11 years old. (ages from http://www.bladewatch.com/2009/09/04/how-old-is-my-server/)

I'd just keep an eye on ebay and when they start to go up in price or only appear as parts then snap a few up rather than buy piles of them for spares.

*caddy swap may be required.
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andyalderCommented:
I think you'll only find that info published for the hard disks that they use.
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Gerald ConnollyCommented:
and you need this because?
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MSSUKAuthor Commented:
MTBF stats wanted as looking at keeping current systems live until 2017 and possibly until 2022, therefore need to estimate spares required to be held whilst they are still available.
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Gerald ConnollyCommented:
Its probably cheaper to factor in a technology refresh (hardware swap and s/w qualification) every 3 years, rather than trying to hang onto h/w that will be obsolete within a year (Consumer PC's 6 months, Professional PC's 18 months if you are lucky). Most companies refresh their servers on a 3 year cycle, mid to high range external storage between 5 and 7 years.
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andyalderCommented:
Well, it certainly cuts down on the electric bill :)
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