February 2007 06

Answering blade myths

http://searchservervirtualization.techtarget.com

As new IT technologies emerge and mature, there are always myths and misconceptions. They seem to evolve around both strengths (typically inflated by vendors) and weaknesses (often inflated by skeptics and/or individual bad experiences). In many cases, the flaws of the early product releases create concerns and horror stories that live long after those flaws have been addressed. This appears to be the case with a number of issues around blade server systems, and in particular, around blades and virtualization. Separating the myths and the hype from the reality is a challenging but important part of successful planning. Here are the most common myths I hear:

  • Blades are too expensive
  • Blades require too much power and cooling
  • Blades are not as powerful as rack servers, and so not a good platform for virtualization
  • Blades have problems in virtual environments since they boot from a SAN
  • Virtualizing on blades is a problem due to I/O limitations
  • PC blades are virtual PCs on blades

An excellent article discussing some of the myths that surround blades, they remain an excellent consolidation tool due to their small form factor. Yes they have a high power utilization, but we can trend that, we can work with it, the values are consistent, it’s easier to manage 1000 blades all the same model type with san, than 1293 different platform, cabinets, server models and kvms in the same datacenter. Check out the article its worth a read if you’ve ever wanted to know more about blades.




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