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Download e-book for kindle: Administering Data Centers: Servers, Storage, and Voice over by Kailash Jayaswal

By Kailash Jayaswal

ISBN-10: 047177183X

ISBN-13: 9780471771838

Achieve a pragmatic wisdom of information heart concepts

To create a well-designed facts heart (including garage and community structure, VoIP implementation, and server consolidation) you want to comprehend numerous key techniques and applied sciences. This booklet explains these components in a manner that smoothes the trail to implementation and administration. even if you would like an advent to the applied sciences, a refresher direction for IT managers and information heart body of workers, or an extra source for complicated learn, you'll locate those instructions and suggestions supply an excellent origin for development trustworthy designs and safe info middle policies.
* comprehend the typical motives and excessive bills of provider outages
* the right way to degree excessive availability and accomplish greatest levels
* layout an information heart utilizing optimal actual, environmental, and technological elements
* discover a modular layout for cabling, issues of Distribution, and WAN connections from ISPs
* See what has to be thought of while consolidating information middle resources
* extend your wisdom of most sensible practices and security
* Create an information heart surroundings that's person- and manager-friendly
* learn the way excessive availability, clustering, and catastrophe restoration ideas should be deployed to guard severe information
* how you can use a unmarried community infrastructure for IP facts, voice, and garage

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Extra info for Administering Data Centers: Servers, Storage, and Voice over IP

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About 30 percent of the disruptions caused losses of $100,000 or more each to the company. When production systems fail, backups and business-continuance plans are immediately deployed and are every bit worth their weight, but the damage has already been done. Bug fixes are usually reactive to the outages they wreak. As operating systems and applications get more and more complex, they will have more bugs. On the other hand, software development and debugging techniques are getting more sophisticated.

Table 3-1 shows the requirements of three equipment sets in a data center. 31 32 Chapter 3 Table 3-1 Equipment Requirements That Must Be Provided by the Data Center Facilities EQUIPMENT IBM P690 COMPUTER SERVER IBM ENTERPRISE STORAGE SERVER (OR SHARK) A RACK WITH FIVE PCS AND TWO RACKED-STORAGE SUBSYSTEMS Physical space (inches) 80 inches height × 31 inches width × 59 inches depth 75 inches height × 55 inches width × 36 inches depth Occupies entire rack. Height, width, depth: 84, 22, and 30 inches Power (watts) 13,000 6,400 4,000 Cooling (BTUs) 51,000 BTU/hour 16,000 12,000 Weight (pounds/kg) 2,666 pounds (1,209 kg) 2,200 pounds (998 kg) 800 pounds (including 100-pound rack) Required network bandwidth 12 multimode fiber 2 Cat5 Copper 10 Cat5 Copper 2 multimode fiber Budget Constraints In theory, you can get more than enough money for constructing a data center, but in practice, this rarely or never happens.

Figure 1-1 and Table 1-2 show the various causes of downtime. As you can see, planned or scheduled downtime is one of the biggest contributors (30 percent). It is also the easiest to reduce. It includes events that are preplanned by IT (system, database, and network) administrators and usually done at night. It could be just a proactive reboot. Other planned tasks that lead to host or application outage are scheduled activities such as application or operating system upgrades, adding patches, hardware changes, and so forth.

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Administering Data Centers: Servers, Storage, and Voice over IP by Kailash Jayaswal


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