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Clear Choice Test VM management
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Product-by-product summary

Part III: Taming the Virtual Beast

Tools from Onaro, nWorks, PlateSpin, Virtugo tackle different pieces of the VM management puzzle, but there's no silver bullet
By Tom Henderson and Rand Dvorak, Network World Lab Alliance , Network World , 02/11/2008
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In our latest set of test of virtual machine management tools, we examined VM host-centric management, planning and accounting applications from PlateSpin and Virtugo Software, a VMware plug-in for Microsoft's Operations Manager application from nWorks, and a storage-area network management tool from Onaro (which Network Appliance has just acquired) that offers specialized insights into the virtualized world.

We also tested the management wares that come as part Parallels (formerly SWSoft) Virtuozzo virtual application platform. And we assessed the usefulness of Reflex Technologies' VM IPS.

In previous tests, we analyzed the management capabilities offered by the major VM vendors, and reviewed third party management tools that have specialized conversion capabilities and VM instance building.

The tool that offers the broadest range of management features is the open source Hyperic HQ toolset.

We've identified six key areas that need to be addressed in order to make VM management a workable venture in a large deployment (See "What needs to be managed" for a full description of each):

• How are VM snapshots versions tracked?
• How are moves, adds and changes of VM hosts, their guests, the kind of applications used on them administered?
• How is VM and application availability monitored?
• How are user and administrative roles managed across VMs?
• What forensics mechanisms are available to help determine why a VM was drastically altered in any way?

Each of the products tested hits our list of ideals in some fashion, but none nail all of them. PlateSpin's PowerRecon and Virtugo's virtualSuite provide availability monitoring, moves-adds-changes tracking, and operational-history tracking for forensics, as does nWorks for VMware. Onaro SANscreen VMInsight has very appealing SAN monitoring and planning capabilities that add much needed SAN management, monitoring, and control for VMware's VirtualCenter and SAN-connected VM guests residing within a VMware hardware host.

Each has limitations, though, either in terms of the platforms they support, the actions they can take without adding optional software, the level of image auditing and forensics they provide and in the hierarchy of user and administrative roles they support.

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Comments (3)
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At the top of the pageBy Adam Gaffin on June 4, 2008, 10:09 amThere's a dropdown list with the tests of each product. Sorry for any confusion.

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Where is it?By Anonymous on June 4, 2008, 8:26 amWhere is the actual test?

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Where is it?By Anonymous on June 4, 2008, 8:25 amWhere is the actual test?

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