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March 2009, Vol. 8

High-availability solutions in nonvirtualized environments

Time is money. It's an old axiom that's still true for today's enterprises. For data-intensive businesses, the cost of downtime can easily exceed six figures for each hour of lost network access or user productivity. Data centers have long relied on high-availability solutions for the redundancy needed to circumvent operating system snafus, server faults and other infrastructure problems. Now server virtualization has raised the stakes, allowing numerous virtual machines (VMs) to operate in isolated instances on the same physical server. More on high-availability solutions How to offer high-availability solutions with SQL Server 2008   Distributed computing, clusters and high-availability solutions How much will you pay for mission-critical IT? Although virtualization supports enormous consolidation in data centers, it also increases the risk for organizations. Companies that deploy server virtualization need to re-assess their high availability (HA) approach, drawing on traditional network architecture while exploiting the ...

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