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Virtual servers put pressure on backup
This article is part of the Storage magazine issue of Vol. 8 Num. 5 July/August 2009
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 ...
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Features in this issue
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.
Storage managers stick with the software that comes with their hardware to manage storage environments. But this year, capacity management rises to near the top of wish lists.
Sun Microsystems Inc. tape libraries took top honors in both the midrange and enterprise categories in the latest Storage magazine Quality Awards survey
Server virtualization has had a profound impact on storage infrastructures, but the coming wave of desktop virtualization will place new demands on storage environments.
Columns in this issue
Cloud storage can reduce the cost of IT, but service providers must prove they have the proper data security models before larger firms will adopt the model en masse.
The "cloud" part of cloud storage services used to mean some distant shore of the Internet. But vendors now tout their "internal clouds," cloud storage that never leaves your shop.