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Vol. 10 Num. 5 July 2011

Backing up virtual servers: Traditional apps and new tools

Most IT shops are still relying on traditional backup apps with their server clients to back up virtual servers, but that approach has its limitations. Today, there are plenty of good alternatives for virtual machine backup. In most IT shops, virtual servers are backed up just like physical servers at first, but as the number of virtual servers increases traditional backup methods start breaking down. The fact that a single physical machine can host many virtual machines (VMs) poses challenges that simply don't exist when backing up dedicated physical servers. With multiple VMs competing for processing, storage and networking resources, contention for those resources is the No. 1 challenge of virtual server data protection. Concurrent backup jobs on multiple virtual machines can seriously impact the performance of applications hosted on those VMs. And when traditional backup methods are used to protect virtual servers, some key capabilities are sacrificed, such as application-consistent data protection and the ability to restore...

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Features in this issue

  • Build a private storage cloud

    by  Phil Goodwin, Contributor

    Private storage clouds might seem like a rehash of old technology, but there are major potential benefits once you cut through the hype. Here's what you need to know to get started

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