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I am looking to rent 6 of these servers: http://www.hetzner.de/en/hosting/produkte_rootserver/ex4s

As you can see, the hard drives aren't server grade and they break a lot.

I was wondering if it's a good idea to install a distribution of Linux inside a 64gb USB stick and use the 3TB IDE SATA disks as cache for the application.

My idea was to keep the base system still working if necessary. It's easier than running KVM or rescue systems once the predictable break of the drives will happen. I just need to facilitate the rescue system hassle.

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USB sticks are even less reliable than SATA hard drives. This gains you nothing. (Oh, and really you want to use Hetzner?!?) –  Michael Hampton Mar 12 '13 at 8:52
what's the problem with hetzner? can you please tell me a better place. I am almost ordering a full 20 server rack there. –  Rafael Sanches Mar 12 '13 at 9:00
google EDIS hosting –  zwarag Mar 12 '13 at 11:01
the pricing is just not comparable.. –  Rafael Sanches Apr 10 '13 at 23:30

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