MN506 System Management, Melbourne Institute of Technology, Australia
Assessment Title- Server Availability Monitoring and Metrics.
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Learning Outcomes:
1. Analyse and compare various server management systems
2. Compare emerging tools and techniques for system management
Question 1. Comparison of the above server availability monitoring tools to check their performance in terms of:
a) Disk usage
b) CPU monitoring
c) Process Monitoring
d) Bandwidth Monitoring
e) Resource Measuring
f) Overall availability
Answer :
Introduction
With the help of IT innovation being a key driver to the organisational success, demand on IT departments are continuously increasing. Innovation in IT can have advantages on business in several number of ways that ranges from the increased productivity as well as flexibility to the possible scopes in order to produce leads as well as revenue. On the other hand, maintenance as well as development of the information technology infrastructure, which is the major concern. Present study deals with the comparison of the server availability monitoring tools such as (1) Nagios Core, (2) Ganglia, (3) CollectD, (4) Spiceworks, (5) Cacti, (6) Zabbix, (7) Icinga, (8) OpenNMS, and (9) WhatsUp Gold in terms of disk usage, CPU monitoring, process monitoring, bandwidth monitoring, resource monitoring as well as overall availability.
Comparison of the server availability monitoring tools for checking performance
Monitoring private services as well as attributes of Windows machine needs that installing an agent. The agent acts as a proxy between Nagios plugin, which performs monitoring as well as actual service and attribute of Windows machine [5]. Without installation of an agent on Windows box. Nagios would not be able monitoring private services of the Windows box. There are various steps that is required to follow for monitoring Nagios plugin.
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Nagios is recognised as one of the top solutions server in order to monitor performance. Server monitoring has been easy in Nagios as the flexibility for monitoring the servers with as well as without agents. There are 3500 different addons available in order to monitor the servers where the community at Nagios can exchange the process and it is capable to monitor Windows servers. Implementation of effective server monitoring with Nagios provide several advantages such as increased server, services, process as well as availability of the applications. Fast process of identification of the failed servers, procedures and services along with batch jobs are the major benefits.
Ganglia is considered as one of the scalable and distributed system, which can be designed for monitoring clusters as well as grids while reducing the impact on performance. It enable the process of monitoring on a cluster when viewing the performance of cluster and inspect performance of individual node examples [2]. It is performed using tree of point-to-point connections using the cluster nodes. GangilaMeta daemon polls a collection of child data sources and parses the data. It is essential for the process that uses the data source and IP address for access control as well as specified using several IP address for failover. It provides a view of collected data through a meaningful way for the system that can assist to get competitive benefits.
From several tools, CollectD can be selected for having its several features and functionalities. It is developed on sleek plugin infrastructure that allows running with functionalities. It is important to send the process usable and accessible for the process [3]. On the contrary, it is significant to use the process by gathering from outside and avoid possible remote security holes. The primary use of colllectd is monitoring of operating the system that needs of operating system resources as well as performed efficiently.
Spiceworks network monitor is considered as mature, free as well as very slick with adequate IT punch in order to act as one of the one-stop IT shops for small to mid-sized business. It provides access to the Spiceworks community that is informed as well as responsive IT expert community. The procedures with network activity can monitor performance in order to view programs that are accessing internet. In terms of disk usage it uses less disk space and measure resources efficiently. It is availability in the market [1]. Hence, it is considered as one of the most effective tools that can assist to use the process.
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Cacti is one of the open source and web based network monitoring as well as graphing tool that is designed as a front end application for open source and industry standard data that is logging the tool RRDtool. It allows a specific user polling services at the predetermined intervals as well as graph the resulting data.
Zabbix is one of the server monitoring tool by which high CPU or memory use, network bandwidth usage, packet loss rare and interface error rate can be improved. In addition, free disk space is low. System status is involved in critical state [4]. On the other hand, there are new elements added or removed in the configuration changes and network module is added.
Question 2. Discuss and evaluate in detail the server availability monitoring architecture.
Answer : Evaluation of the server availability
The kind of data returned by the segment screen depends on the sort of screen being used. For instance, one kind of screen can report the up or down status of an administration or procedure, another screen can restore the level of free space of a volume. Another kind of part screen can return up to ten qualities [7]. Each screen type, alongside its parameters and returned values and additionally states, is interesting. SolarWinds SAM gives the accompanying kinds of formats: l AppInsight application layouts are preconfigured layouts that give definite data. However, that ithas business-basic Exchange, Microsoft IIS, or Microsoft SQL occasions, utilize the AppInsight layouts to screen these applications.
These layouts have their very own component of finding components of an application powerfully. They likewise have uncommon permitting. If there are different business-basic applications, apply one of the numerous preconfigured application formats that deliver with SolarWinds SAM. SolarWinds prescribes conveying a solitary layout, making essential alters to tweak it to your condition, and after that sending the altered format on every single comparable application [8]. It can likewise acquire a layout from the smack network for an application not sent with SAM. If ithas to be a custom, home-grown application that it has to screen, it can construct a custom layout. For a rundown of out-of-the-case formats, see the SAM Template Reference.
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With the help of Icinga, data can be forwarded into the metric system like graphite and influxDB. The database backend for the dashboards are considered important for the process [7]. On the other hand, it would be helpful to run the application on the server as well as will face outages, load as well as memory issues. There are several issues that can be solved by Icinga.
The major limiting factor for OpenNMS at the time of using RRD files. The more data that has been collected has the higher risks IO. However, the process is monitored as well as can graph the process through monitoring performance and cliff in the advanced the issue. The command files in the name of symbolic links, can count the number of lined that are returned.
WhatsUp Gold software has the ability to discover as well as presents several types of services and procedures that are available on the target server [9]. In order to monitor detailed performance metrics, the MIB browser provides the access to several SNMP objects as well as WMI library that includes performance of Windows.
Question 3. Propose a solution to avoid data vulnerability in server availability monitoring tools.
Answer : Proposal of a solution to avoid data vulnerability in server availability monitoring tools
Numerous organizations have swung to log monitoring and investigation as a fractional answer for this issue. Log record checking is pleasant to have, yet it can't respond to a significant number of the inquiries presented in the above area without a great deal of customization. The best answer for the current issue is to utilize the most recent age of Application Performance Monitoring (APM) instruments. APM devices comprehend the inward functions of the applications [10]. They can see the code executing, the section and leave calls to the application, the exchanges coursing through and over numerous application parts, special cases and their related effect, and a whole lot more.
Question 4. Discuss the impact of failure prediction on server availability monitoring.
Answer : Impact of failure prediction on server availability monitoring
Making the change from server monitoring to APM requires adapting some new vocabulary. It's not troublesome, only not quite the same as what most checking work force are utilized to. Business Transactions (BTs), BTs speak to extraordinary usefulness inside an application. The least demanding approach to comprehend BTs is with a model. Most applications require a client to give login qualifications before they can utilize the remainder of the application [5]. When it needs to get to a web application to visit the login page, fill in the required fields and snap the best possible catch to start the confirmation procedure.
When it is clicked and the three is regularly a huge number of downstream action on the application server, database server, LDAP administration, and conceivably numerous different administrations that all work in coordination to support the solicitation. The majority of the action that is produced due to your login solicitation would be considered a "Login" business exchange. Server monitoring is a significant piece of any server farm checking engineering, however again and again it turns into a bolster and an impediment to effectively working out a comprehensive checking stage [3]. Server status is just a single marker of utilization execution, so depending solely on server checking apparatuses leaves associations with huge vulnerable sides and miserable end clients.
Conclusion
The above study concludes that it is essential to monitor tool of the selection. Performance of the data collection and graphite integration is processed with the process. In addition, graphite integration can be process with most of the plugins support performance of the data. Hence, it is essential to focus the process and use appropriate and suitable tools to get competitive benefits.
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