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Originally Posted by Ghoulish Delight
And they never show enough detail on the server racks on these things. What kind of storage are they using? What about networking. I presume the servers are clustered, and using 1GbE, but is there a separate storage network. Fibre channel? iSCSI? Infiniband? (hahahaha.........okay, I'm the only one who thinks that's funny)
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Here is the best source I've seen so far on the
underlying hardware.
Assuming it's not a typo, Watson has 4TB of storage (the same as my home PC) and 16TB of memory.
Quote:
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Originally Posted by SomeGuy
Watson is made up of ninety IBM POWER 750 servers, 16 Terabytes of memory, and 4 Terabytes of clustered storage. Davidian sontinued, “This is enclosed in ten racks including the servers, networking, shared disk system, and cluster controllers. These ninety POWER 750 servers have four POWER7 processors, each with eight cores. IBM Watson has a total of 2880 POWER7 cores.”
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Makes sense I suppose, putting everything is RAM is the only way to get the response time you need. I bet it takes a serious amount of time to boot Watson from a cold start.