By Kailash Jayaswal
Achieve a realistic wisdom of information middle concepts
To create a well-designed facts middle (including garage and community structure, VoIP implementation, and server consolidation) you want to comprehend quite a few key ideas and applied sciences. This ebook explains these components in a manner that smoothes the trail to implementation and administration. no matter if you would like an creation to the applied sciences, a refresher direction for IT managers and knowledge heart team of workers, or an extra source for complex learn, you'll locate those directions and strategies offer a pretty good starting place for development trustworthy designs and safe information heart policies.
* comprehend the typical motives and excessive charges of provider outages
* how to degree excessive availability and attain greatest levels
* layout an information middle 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 whilst consolidating info middle resources
* extend your wisdom of top practices and security
* Create an information middle surroundings that's consumer- and manager-friendly
* find out how excessive availability, clustering, and catastrophe restoration recommendations may be deployed to guard serious information
* the best way to use a unmarried community infrastructure for IP info, voice, and garage
Read or Download Administering Data Centers: Servers, Storage, and Voice over IP PDF
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Additional info for Administering Data Centers: Servers, Storage, and Voice over IP
This was initially implemented due to a Solaris problem on Suns that had not been rebooted in the last 350 days and were running an old release of Oracle Database. Avoiding unplanned downtime takes more discipline than reducing planned downtime. One major contributor to unplanned downtime is software glitches. S. companies suffer losses of up to $1 billion every year because of software failure. In another survey conducted by Ernst and Young, it was found that almost all the 310 surveyed companies had some kind of business disruption.
It supports several third-party software packages such as Apache, Iplanet, Oracle, Sybase, and Informix. It also supports hardware from IBM, EMC, Network Appliance, and Hitachi. Up to thirty-two nodes can be configured in a single cluster. It is easy to customize VCS for new applications. ■■ IBM’s High Availability Cluster Multiprocessing (HACMP) — This is available on AIX platforms and dominates the IBM AIX server market. ■■ Microsoft Cluster Server (MSCS) — This software owns the Microsoft platforms.
Why doesn’t this happen to your competitors? As you can see, it happens all the time and all around us. Following are some events that have occurred over the last few years. They expose our total dependence on computer systems and utter helplessness if critical systems are down. ■■ In April of 1998, AT&T had a 26-hour frame relay-network outage that hurt several business customers. In December of 1999, AT&T had an 8-hour outage that disrupted services to thousands of AT&T WorldNet dial-up users.