Print 6 comment(s) - last by Justin Time.. on Oct 5 at 12:32 PM


For more on virtualization security, you can check out DailyTech's previous discussion on the topic.

How concerned are you with virtualization security?
  • Security concerns are preventing our deployment (60 votes)
  • Very concerned, we're devoting IT people to securing our virtual machine deployments (81 votes)
  • Concerned enough to purchase extra software, but not losing much sleep over it (95 votes)
  • The VM vendor-provided tools are sufficient for our security (148 votes)
  • Virtualization security is of no concern to us (249 votes)

  • 633 total votes

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RE: I like these polls
By KLO on 10/2/2009 8:13:18 PM , Rating: 2
The problem with Virtualization and I may be wrong...but it seems that all servers essentially would be connceted to one initial location or several Backup servers... however if all the electricity were to suddenly go out and we were all on the same grid much like these servers then disaster recovery would not save you right? You would still have to phyisically back up somewhere else right? Just wondered. Same thing with electricity it would not be smart. Different unconnected but communicating grids are better. So essentially ring topology is okay but bus topology may work better. Is that how virtualization works in so far backups are concerened?

RE: I like these polls
By MatthiasF on 10/4/2009 1:41:44 PM , Rating: 2
Well, first of all you'd assume any modern network would have battery backup of some sort. So, if the power goes off, most servers would have time to prepare and power themselves off. This goes for the virtualized and the un-virtualized.

In the event of a disaster, you'd be better prepared with virtualization than with traditional backup methods. With virtualization, you can snapshot each virtual server at more intervals than a typical backup system would cover. So in the event of massive corruption, you could recover faster and with less loss of data than a old fashioned backup to tape.

If it's a hardware problem, you also have the advantage of being able to move a virtual server onto another piece of hardware without as much work. You won't need to worry about drivers and such for each server, just get the virtual host running and the guests will boot like normal.

I'm not sure about your topology question. I don't think many networks run on ring topology anymore, but even in round-robin backup configurations you'd find advantages from virtualization.

"And boy have we patented it!" -- Steve Jobs, Macworld 2007
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