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Testing high-availability software options from vendors
This article is part of the Virtual Data Center issue of March 2009, Vol. 8
High-availability software and other products may look the same on vendor data sheets, but under the hood they can vary significantly. It's important to explore and test these features carefully because they can have an impact on recovery performance, scalability, failure detection and management of your high-availability architecture. Evaluating high-availability software High availability guide Using high-availability servers and systems High-availability solutions in nonvirtualized environments High-availability clustering in virtual data centers Data center planning considerations for high availability Virtualization high availability checklist Data center high-availability technology: A holistic approach Testing high-availability software options from vendors When testing hypervisor vendor high-availability software and products or validating internal configurations, you should look at the following: automated virtual machine (VM) recovery following a physical server failure; automated VM recovery following a VM guest OS ...
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Features in this issue
High-availability solutions ensure uptime and help avoid infrastructure problems. But without virtualization, their hardware and software requirements can be quite pricey.
Evaluate failover capabilities, service-level requirements and shared storage before choosing high-availability software to create a high-availability architecture.
Terminal services offerings reduce memory and storage requirements and allow far more users to share an application at the same time.