Sidebar: How Many Licenses?

Backup vendors follow different licensing schemes for backing up virtual servers. Here's a sampling of them:

  • Symantec LiveState Recovery: On a per-system basis. One license for each instance of an operating system, virtual or physical.
  • BakBone NetVault: One license per client. If multiple virtual machines are being individually backed up, each requires a license. If the physical server as a whole is being backed up, one license covers the server, regardless how many virtual machines are running on it. n
  • CommVault Galaxy: Priced per agent.
  • NSI Software Double-Take for Virtual Servers: One license covers up to five virtual machines running on a single host.
  • Tivoli Storage Manager: Per processor. Each component installed on a virtual machine is licensed according to the number of processors on the host machine.
  • Syncsort Backup Express: Same as physical servers -- each system on each node requires a separate client license.
  • CA ARCserve: One license for the host service and additional licenses for virtual machines.
  • EMC NetWorker: Separate licenses for each virtual server, but EMC is considering a model where a license would cover both the host and all its virtual servers.

Special Report

Storage: New Wrinkles 2006

Stories in this report:

Copyright © 2006 IDG Communications, Inc.

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