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Vol. 7 No. 10 December 2008

"I second that VMotion," say replication vendors

virtual servers are forcing storage administrators to address data protection processes, such as replication, in new ways. And replication vendors are finding new avenues for their technology by leveraging VMware's VMotion technology. VMotion, which has been around since the early days of VMware ESX Server, allows an administrator to migrate virtual servers from one physical host server to another. "If you're going to move from Chicago to New York, it's going to take some time for those two systems to sync," says George Pradel, director of strategic alliances at Vizioncore, which makes tools to enhance the server virtualization platforms from VMware and other hypervisor vendors. "VMotion syncs the memory between the two servers and then hands over control of that virtual machine to the receiving server," says Pradel, a one-time VMware systems engineer. "The advantage of VMotion is that the system is never out of production." But VMotion has its limitations. For instance, "VMotion is great if your ESX host goes down, or if ...

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Features in this issue

  • LTO-4 gains favor among tape drive buyers

  • How your SAN will evolve

    We asked storage vendors, industry analysts and technologists serving on storage industry associations about where they saw the SAN heading. There may not be sweeping architectural changes in five years, but there will be changes in the basic building blocks of the SAN infrastructure: networks and protocols; switches; storage arrays, disks and controllers; and SAN management.

  • "I second that VMotion," say replication vendors

    Replication vendors are finding new avenues for their technology by leveraging VMware's VMotion technology.

Columns in this issue