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December 2011

Backing up VMs: Traditional apps vs. virtual machine backup software

Most organizations are still relying on traditional data backup and recovery software for virtual machine (VM) backup, but there are downsides to that approach. In Jacob Gsoedl's latest Storage magazine article, learn about the best way of backing up VMs, whether it's with traditional virtual machine backup options or new virtual machine backup software. 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 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 backup. Concurrent backup jobs on multiple VMs can seriously impact the performance of applications hosted on those VMs. And when traditional backup methods are used to protect virtual servers, some key ...

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