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+<html>
+<link rel="stylesheet" href="../css/builder-gluster/style.css"
+type="text/css" media="screen" />
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>Sub Topic 2</title>
+</head>
+
+<body>
+<h1>Common Cluster Terminologies</h1>
+<p><b>Cluster</b></p>
+<p>A cluster is a group of linked computers, working together closely thus in many respects forming a single computer.</p>
+<p><b>Brick</b>
+<p>Brick is the basic unit of storage, represented by an export directory on a server in the trusted storage pool.</p>
+<p><b>Network</b></p>
+<p>A network is a collection of interconnected computers able to
+communicate with each other and transfer information back and forth.</p>
+<p><b>Distributed File Systems</b></p>
+<p>A file system is a collection of files and the facilities
+(programs and commands) that enable users to access the information in
+the files. All computing environments have file systems. A distributed
+file system takes advantage of the interconnected nature of the network
+by storing files on more than one computer in the network and making
+them accessible to all of them. In other words, the responsibility for
+file storage and delivery is "distributed" among multiple machines
+instead of relying on only one.</p>
+<p><b>File Server Machines</b></p>
+<p>File server machines store the files in the distributed file
+system, and a server process running on the file server machine delivers
+and receives files.</p>
+<p><b>Volumes</b></p>
+<p>A volume is a conceptual container for a set of related files
+that keeps them all together on one file server machine partition.
+Volumes can vary in size, but are (by definition) smaller than a
+partition. You can maintain maximum system efficiency by moving volumes
+to keep the load balanced evenly among the different machines. If a
+partition becomes full, the small size of individual volumes makes it
+easy to find enough room on other machines for them. Each volume
+corresponds logically to a directory in the file tree and keeps
+together, on a single partition, all the data that makes up the files in
+the directory (including possible subdirectories). By maintaining (for
+example) a separate volume for each user's home directory, you keep all
+of the user's files together, but separate from those of other users.
+This is an administrative convenience that is impossible if the
+partition is the smallest unit of storage.</p>
+
+</body>
+</html>
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