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I'm working on pulling together a comprehensive performance testing lab. Part of this is the question of the physical lab hardware, so I'm learning about rack and blade servers and the positives and negatives of each.

To give a little background, it's a performance testing lab for database applications, so there are going to be around 8-10 machines in each lab rig. This includes things like a monitoring server to collect data during test runs, web servers, database server, and all the pieces needed to actually generate the load.

Because of the specifics of the company, we have the opportunity to re-purpose existing blade servers (Dell M610s) to fill some of these roles. Namely, the web servers and data collection machines.

What I'm unsure of is if there are any problems for using a mixture of rack servers and blade servers in the same lab (not in the same chassis/rackspace). Due to the requirements of our database servers (mainly the need for local attached storage) we are going to use rack servers for those.

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possible duplicate of Can you help me with my capacity planning? –  TheCleaner Sep 18 '13 at 15:38
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Can sedans and coupes drive on the same highway? Of course they can. Can I put apples and oranges in the same fruit bowl? Of course I can. Can you have rack and blade servers in the same "lab"? Of course you can. –  joeqwerty Sep 18 '13 at 15:38
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Dogs and cats living together...mass hysteria! –  TheCleaner Sep 18 '13 at 15:44
    
I'm not specifically looking for help capacity planning, I can handle that question on my own (and this lab is intended to help with answering that question). I was specifically looking for information about using rack servers and blade servers together and if there were a problem with it. The answer below is what I was looking for. –  Sean Long Sep 18 '13 at 15:46
    
@SeanLong - this is the part I considered "capacity planning" - Also, considering it's a performance testing lab, what should I consider about the shared network infrastructure for the blades? Is it likely for a bottleneck to occur there? –  TheCleaner Sep 18 '13 at 16:02
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up vote 4 down vote accepted

No, there's no problems at all - so long as you're within your power and cooling budgets - and you're no more likely to encounter a network problem dealing with both blades and rack-mounters than if they were all one type or the other.

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