Summary
Businesses today rely heavily on the Internet, whether for complex e-commerce Web sites or email for three or four people. For the Internet to remain a viable medium for business, it's important for system administrators to employ high-availability technologies and techniques to keep sites up and running. Although a wide range of hardware and software can help you meet this goal, this chapter discussed some of the more practical and effective of these technologies. You learned how to use load-balancing techniques to spread your services across multiple redundant machines. You also learned how different RAID levels function and the benefits and risks associated with each of them.
Multipathing and trunking can provide highly available network ...
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