This document discusses servers from several perspectives: types of servers including application, database, and file servers; server roles in a network; planning a server installation including goals, configuration, and budgeting; hardware verification and installation including components like motherboards, storage, and redundancy; and server operating systems. Servers are defined as both specialized software for distributing information over a network and hardware devices designed to run server software. Reasons for the higher costs of server hardware include expandability for growth, dependability for 24/7 uptime, and quality components designed for server environments.

2. In these part we’ll be looking at:
• THE SERVER
• SERVER TYPES AND ROLES
• PLANNING
( PROJECT GOAL, CONFIGURATION, BUDGETING ETC)
• VERIFICATION
( HARDWARE, UPS, POWER SOURCE, NETWORK ETC)
• HARDWARE INSTALLATION
( HARDISK, RAM, SERVER FORM FACTORS ETC)
• HARDWARE CONFIGURATION WHICH INCLUDES:
I. MOTHERBOARD AND PROCESSORS
II. STORAGE COMPONENTS AND DEVICES
III. FAULT TOLERANCE AND REDUNDANCY

3. DEFINITION :
What is a Server: A server is a software designed to
help other computers to perform
Various task in a Network as well as storing and
distributing information over a Network.
A Server also is said to be a hardware device
designed to accommodate server software.

4. TYPE OF SEVERS
 Application server  Print servers
 Catalog server  Sound servers
 Communication server  Proxy servers
 Data base servers  Stand alone servers
 Computer servers  HTTP servers
 Fax servers
 Files servers
 Game servers
 Name servers or DNS

5. THE SEVER AS A SOFTWARE
The function ability of a computer is dependent on its ability to
use or work with an
OS(operating system). The OS gives the computer the platform or
the code it functions
With. Example of modern operating systems are Androids,
Microsoft windows, Mac os X
BSD etc.
The network operating system (NOS) defines the bases of a server
description, an operating System capable of sharing files on a
network is called a server.

6. SEVER CLASS OPERATING SYSTEM
Server class operating system are those software that
are installed on a sever which thereby run that particular
server machine. We have different kinds of server class
operating systems listed below.
i. NETWARE
ii. OS/2
iii. SOLARIS
iv. WINDOWS 2000 SERVER

7. THE SEVER AS A SOFTWARE continued.
In order to decide which software you would need as your
(NOS), you will consider
I. Scalability : Your software must be scalable. It must posses
the ability to handle growing amount of work and should
also give room for expansion to accommodate that growth.
II. Security : NOS should be far more secure than any order
client OS. These includes security level like
password/database protection, physical security of the
server and everything surrounding it.
III. Stability : While most desktop PCs are shutdown every
time, servers work 24/7 without interruption. To help
guard the health of these machines, NOS software is often
pickier about what software it allows to run, and which
applications and drivers it will allow you to install.

8. THE SERVER AS A HARDWARE
The second definition of a server is one that involves specialized hardware
designed to handle the extreme demands of NOS software and network
users. Server generally are enhanced PCs made to specific configuration to
serve its
Ambiguous purpose. Regular computers cost less because the servers
possess more quality
And function.
If you are in the position of proposing a server purchase to a manager or
client, you should be prepared to explain the reasons behind the higher
cost of specialized server hardware.

9. THE SERVER AS A HARDWARE continued
Putting more light of why you should be prepared to explain reasons
behind the higher cost Of specialized hardware.
Expandability : One of the most important characteristics of server-
class hardware is that it is generally built with generous expansion
capability. Most servers allow for far more RAM (often over 4GB).
We have modern i7 systems that supports like 8 processors, but the
Sun’s Solaris advanced server supports up to 128 processors on a
single system. Besides network operating systems are designed to
allow for features like clustering and load balancing.
Clustering – Server clustering is the ability for more than one server
to allow sharing of resources, whereby a single virtual server is
created out of a number of machines. They share same IP and array
of data.
Load balancing – Similar to clustering. It allows 2 or more servers to
team up and do a single job, both servers are distinguished by there
ability to retain each copy of needed resources in both servers.

10. THE SERVER AS A HARDWARE continued
Dependability :
Quality :

11. TYPE OF SEVERS

12. TYPE OF SEVERS