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This article is part of the Vol. 8 Num. 5 July/August 2009 issue of Tips for better virtual data backup strategies
Virtual servers have solved a lot of problems in the data center, but they've also made backup a lot harder. There are several ways to back up virtual servers, each with unique advantages and disadvantages. Backup is the single biggest gotcha for VMware nirvana in large environments today. The usual backup methods cause many environments to limit the number of virtual machines (VMs) they place on a single ESX server, decreasing the overall value proposition of virtualizing servers. To further compound matters, one possible solution to the problem requires purchasing additional physical machines to back up the virtual machines (VMs). However, there are existing products that can solve the problem, if you're willing to move your VMware environment to different storage. If that's not possible, there are some "Band Aid" remedies that can help until storage-independent products arrive. However you ultimately address virtual machine backup, you can at least take some comfort in knowing that you're not alone in your frustration. The problem is physics Whenever I ... Access >>>
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Virtual servers put pressure on backup
by W. Curtis Preston
Virtual servers solve many problems in the data center, but they also make backup harder. There are several ways to back up virtual servers, each with advantages and disadvantages.
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