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Word of the Day

uncivil discuss

Definition:(adjective) Lacking civility or good manners.
Synonyms:rude
Usage:Dost think, because you have seen some great ladies rude and uncivil to persons below them, that none of them know how to behave themselves when they come before their inferiors?

Article of the Day

Morgellons

Though not officially recognized as a disease, Morgellons is a condition associated with a range of cutaneous symptoms, including crawling, biting, and stinging sensations, persistent skin lesions, and the presence of fibers on or under the skin. Most health professionals consider Morgellons a manifestation of other known medical conditions, including delusional parasitosis, a form of psychosis in which sufferers believe they are infested with parasites. What is known about the unusual fibers? More... Discuss

This Day in History

Nathan Hale Is Hanged for Spying (1776)

A young teacher at the start of the American Revolution, Hale joined the Continental Army and volunteered for the dangerous mission of spying on British forces. The inexperienced 21-year-old managed to penetrate the British lines but was captured and hanged without trial. His last words, reported as, "I only regret that I have but one life to lose for my country," became a symbol of the Revolutionary spirit. Yet, some question whether these were his exact words. What might he have actually said? More... Discuss

In the News

uncivil discuss

Definition:(adjective) Lacking civility or good manners.
Synonyms:rude
Usage:Dost think, because you have seen some great ladies rude and uncivil to persons below them, that none of them know how to behave themselves when they come before their inferiors?

Quotation of the Day
So the days pass, and I ask myself sometimes whether one is not hypnotized, as a child by a silver globe, by life, and whether this is living.
Virginia Woolf
(1882-1941) Discuss

What Is A Cluster?

A cluster is a group of computers working together as if it were a single computer. This allows access to and management of the cluster as a single unit. Each system within a cluster is referred to as a node, and all nodes have their individual NetBIOS names. Each cluster also has a NetBIOS name, which is the cluster name.

Each node within a cluster has an IP address as does the cluster as a whole. Messages sent to a specific cluster node go directly to that server, but those sent to the cluster name or cluster IP address can be responded to by with node that is online. The network clients do not need to know which node is online to be able to access the cluster, as long as they use the cluster name instead of the node name.

The private network is dedicated to communications between cluster nodes. This connection is not used for client access to the cluster nodes. Instead, public connections are used for client access to the cluster nodes.

There are four different types of clusters in the Microsoft world:

  • Failover cluster: This is a cluster made up of two ore more nodes. One server is active at a time. If one server fails, the other will assume the responsibilities of the first server.
  • Network Load Balancing: Allows certain services to be accessed on up to 32 services as one TCP/IP virtual server, so that access is load-balanced across multiple servers, An example of NLB would be multiple Web servers with the same content that are accessed in a way that equals the load on all the servers to provide better performance.
  • Component Load Balancing: Used to distribute application services among several servers. This allows for load balancing of access to the services and for fault tolerance of the application as a while. This is a function of Application Center 2000.
  • Distributed partition views: Used with SQL to distribute a single database across several servers for load balancing. For example, if there are three servers, the database could be split into thirds and each server would manage one third of the database. Because one third of the database reside on each server, client access would be balanced among them
What Is A Cluster? - Tuesday, May 23, 2006 - No comment

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