208-Volt Power vs 110-Volt Power

Author: Dave Norwood

The United States is slowly seeing the benefits of 208-volt power over 110-volt.  I didn’t truly understand the benefits until I ran into a problem with a large 4-processor Intel server.  Turns out that this particular server with four power supplies, only needed two to run when fed 208-volt, but needed three power supplies when fed 110-volt.  This became a problem when the client had dual power busses (sources/feeds) and one bus lost power.  Continue reading

What is a VAR and Why You Should Work With One to Save Time and Money

Author: Dave Norwood

There are many resellers out there. However, there are far fewer VARs (Value Added Resellers). The important difference is how much value the reseller adds to the equation. There are poor sales persons/companies who call themselves “VARs” but add little or no value, they only add to the cost of goods. These are the people who give the term “middle man” its bad name. On the opposite end is a true VAR. Continue reading

Fiber Channel vs. iSCSI

Author: Dave Norwood

I’ve been asked many times about iSCSI versus Fiber Channel for Storage Area Networks (SAN). While I believe iSCSI is a solid protocol appropriate for many applications, I’ve had many more performance problems versus Fiber Channel. This is why I shy away from iSCSI, especially 1Gb iSCSI. I’ve been selling 4Gb Fiber Channel for years, and it isn’t a mere four times faster than 1Gb iSCSI, it is more like five or six times as fast IMHO. Why? Continue reading