Server Availability Monitoring and Metrics

Running head: SERVER AVAILABILITY MONITORING AND METRICES
SERVER AVAILABILITY MONITORING AND METRICES
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Executive Summary
This particular report mainly discusses about a number of server availability
tools for monitoring which has the capability of aiding in a much better performance
of the server. Several organizations face a huge number of challenges in their
server’s operation which is regular. All the tools of monitoring have the ability of
reducing latency of server, improving the health of the server, identifying the device
and also in monitoring the equipment of the network. The tool’s working mainly
avoids a huge crash down in the server and also ensures a running of the server
which will be very much smooth. Hence, all the tools help a lot in server monitoring.

SERVER AVAILABILITY MONITORING AND METRICES
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Introduction
A server is mainly a system which has the capability of providing a number of
resources, services as well as data to the system of client over a channel of
network. After receiving the request, the server directly responds to the particular
request which has been generated with all the information which are needed. All the
different functions of server mainly involves the requestor identity verification,
permission for accessing the resources of data and the response formatting. All the
different monitoring tools of server are very much essential for administrating the
system’s working. All the reports which are mainly generated by such tools has the
ability of aiding in comprehension of the health of the server, capacity and also the
performance within the surrounding of immediate operation [1]. The particular
reporting which is mainly automated generates all the checks which are scheduled
and also provide several warnings which are pre-emptive about all the different
servers which are working within the environment. All the reports which have been
generated by the software of monitoring always keep a regular check on several
activities of server. A number of logins as well as activities which are mainly
suspicious, utilization of resource, time of response and downtime of application are
to be monitored properly. There are a huge number of layers which are seen to be
present in the software of monitoring which mainly follows several protocols in sync
which are aforementioned with different applications which are monitored and is
also dependent upon the environment within which it is mainly running in [4]. Each
individual software has a particular method or rather a protocol which is already
predefined for approaching the main problem which has been faced by the system
of software. The software mainly checks if there is any kind of degradation within
the system which mostly impact the delivery performance of the service as well as
improves both the quality as well as the trouble shooting for the whole stack of the
system.
IT Infrastructure-Monitoring Tools
Several monitoring tools of IT server are:
 Nagios Core
 Ganglia
 Zabbix

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 Cacti
 CollectD
 Spiceworks
 Icinga
 OpenNMS and
 WhatsUp Gold
Nagios Core is mainly both cost effective as well as customizable open source
tool of monitoring [3]. All the several metrics which are offered by the tools has the
ability of monitoring the server’s performance and also in both reporting as well as
remediating all the services. The core mostly offers a limited features of monitoring.
Ganglia is also a monitoring software which has an open source. This particular
software has been designed especially for all the systems of computer having high
speed of performance like the clusters and the grids [2]. The main system’s
architecture is quite scalable as well as distributed which is totally based upon a
design which is mainly hierarchical having its target upon all the cluster’s
federations. Both the XDR and XML for the data representation as well as
transportation are respectively leveraged by this Ganglia. All the algorithms of the
engineers of software as well as data structures are capable for maximising the
efficiency and this has resulted in over heading for the individual node. The tool of
monitoring supports a number of OS and processors.
Collect D- a daemon having an open source. This particular software is capable
for collecting all the statistics of performance and also for storing a number of data
which are collected in variable formats like the files of RRD [5]. This software can be
utilised in a number of OS. It even searches as well as identifies performance
bottlenecks, predicts the overtime of load within the system and also creates a
warning as well. It has been known that it is usually integrated with the help ofa tool
of graphing.
Spiceworks is another monitoring tool of server which has the capability of
providing a number of insights into all the servers, devices of SNMP, services as well
as switches. This software is particularly written in Ruby upon the rails [7]. This
particular tool has the capability of finding out all the devices of the addressing of IP
and also in providing a base of knowledge and functions of help desk.

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Cacti is basically a tool having front end. It can also be defined as a graphing
tool for the system of data and also manages the collection of data [6]. It has been
observed that data gathering mostly occurs in the cron job through the help of a
script which is external which also has the capability of feeding the metrics. It also
generates a number of graphs of any set of data which has been given. The creation
of graph is very much easy from the element of infrastructure which even involves
both the balancers of load and servers.
Zabbix is a particular solution of the enterprise and is totally equipped with a
number of characteristics and even provides a support commercially. The
monitoring tool of the server also checks the time of response for all the different
services like HTTP. It even checks the responding service’s uptime.
Icinga is nothing but an extension of the Nagios. This particular software mostly
provides REST API and also a number of connectors of database. The API’s full new
attribute enables a particular integration of a huge number of extensions which is
very much easier and it does not need any kind of ore modification directly [8].
OpenNMS is mainly a software which only gives allowance to a maximum of
about ten devise and also allows a single user login. The system even provides a lot
of support in serving a simple functionality.
WhatsUp Gold is mainly a software which has the capability of providing
comprehensive map which is very much interactive about the entire infrastructure
of network [9]. The performance of several servers, applications and the status of
the devices of network within the on-premise and also the cloud is totally visible.
The procedure mainly monitors all the servers, flow of traffic, applications as well as
controllers which are totally wireless. Both the real time warning as well as a
number of alerts are generated and the particular system makes sure that the
performance is totally optimized.
Comparison
CollectD
Disk usage