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Saturday, July 30, 2011

Virtualisasi: Application Centric vs Infrastructure Centric Management

More on Application Centric vs. Infrastructure Centric Management
By Jamal Mazhar, On 1/16/09 9:15 PM

In reference to my earlier blog on Application Centric Management, there is a discussion on the cloud computing group , I posted a detailed response, sharing it here:

When we say we need application centric approach it is implied that it is needed from application owner perspective, people who are responsible for managing applications, their service levels etc.  People responsible for running infrastructure and providing infrastructure as a service, e.g. Amazon, GoGrid, alt. needs infrastructure perspective to manage their infrastructure.  However, the application owners who are consumers of infrastructure as a service will make their life a nightmare if they try to manage applications running on virtual resources using infrastructure perspective.

Let’s look at some historic context of 4 phases of IT evolution to get the perspective of why application centric approach is needed.

Phase I: In good old days, application owners bought dedicated hardware for running their applications and they had the flexibility to install whatever patches, OS, etc. they needed for their applications on the dedicated hardware.  This was an era of high flexibility and low hardware utilization.

Phase II: CIOs and their bosses didn’t like it as utilization was low, question was why are we wasting hardware, so the directive came from the top that let’s consolidate the infrastructure.  Once the infrastructure, especially the servers, was consolidated application owner lost flexibility as anytime they have to make a change to infrastructure they needed to check with 10 groups within an enterprise to make sure they are not going to step on someone’s toes because applications were using shared resources.  This was a time of higher server utilization but lower flexibility, configuration management and time of running regression tests on multiple applications even if the change was required by a single application.  Several IT organizations are still stuck in this phase.

Phase III: Then came along virtualization, it resolved the conflict b/w flexibility and utilization by allowing each application owner to run/install their own OS/patches on a virtual server which is using a slice of the physical server resources.  Hence each application owner was able to run their own application on their dedicated virtual server and apply patches, changes etc. without impacting the other applications running on different virtual servers on the same physical box.  Although virtualization solved the problem of lack of flexibility, it created a new management nightmare, because for every physical server we ended up having multiple virtual servers.  So from application owner perspective it introduced a new complexity as they need to track all the virtual resources used by their applications.  This problem was significant for internal clouds or virtualized environments, however, when you add the scale of public clouds, especially clouds in different locations the management becomes a nightmare from enterprise perspective.  How can a large company with 100s of application using 1000s of servers manage this complexity?

Phase IV: Taking an application centric perspective for managing virtual resources addresses the complexity issue, as each application owner can manage the entire infrastructure used by their application as a system.  It also allows each application owner to individually hold accountable the infrastructure as a service provider for SLAs of the infrastructure as a service which may impact the service levels for their applications.  So complexity is managed by having distributed management as each application owner can manage their own virtual resources.  The infrastructure as a service provider could be an internal IT team responsible for managing private cloud and/or it could be one or multiple public cloud providers.  In IT all the work we do ultimately leads to delivering and managing business applications, and business holds us accountable based on not how fast our routers or servers are but, are we delivering applications on time and are the applications meeting the business service levels.  Business users are judging us from application perspective, we will do ourselves disservice by not taking an application centric approach for managing our applications.

Here is the summary of IT evolution:

    Phase I - Cowboy Days:  Each application owner had their own dedicated infrastructure/hardware.  Flexibility High, Utilization of Resources Low.
    Phase II - Consolidation: Application running on shared infrastructure.  Utilization High, Flexibility Low.
    Phase III – Virtualization:  Use of virtualization in the datacenters and use of public and private clouds. Utilization High, Flexibility High, Complexity High.
    Phase IV – Application Centric Management:  Use of application centric management for managing virtual resources.  Utilization High, Flexibility High, Complexity Low.

Watch this 5-min video on Benefits and Challenges of Cloud Computing on YouTube.

Wednesday, July 27, 2011

Perbandingan ServiceDesk Plus dengan 4 produk lainnya

Dalam mengimplementasikan sistem helpdesk TI, kami seringkali bertemu dan beradu argumentasi dengan beberapa produk lain, diantaranya seperti yang terdapat dalam video berikut ini (http://www.youtube.com/watch?v=mA505xJRx5s)

Salah satu hal yang menarik, adalah SDP memberikan :
1. Kemudahan instalasi, baik di Windows atau Linux
2. Kemudahan setup parameter
3. Kemudahan dalam menjelaskan fitur dan fungsi kepada pengguna
4. Kemudahan dalam mengoperasikan sistem

Silahkan hubungi kami untuk kepersluan sistem helpdesk TI Anda..

Why ServiceDesk Plus?

One Install and you are all Set

With ServiceDesk Plus, there are no add-ons or complications, just one install (approx 15 minutes), the browser fires up with product screen with all the modules. You are all set to start.

Only Point and Click Expertise Required

Point-and-Click is all you need to configure email accounts, define SLA, workflow actions, notifications, and advanced reports. Configuring ServiceDesk Plus as your help desk or an ITIL ServiceDesk is easy to setup completely in a few days.

All You Want Is There with No Add-ons and No Mess

ServiceDesk Plus packs help desk, asset management, Incident, Problem, Change Management, CMDB, Contracts, Purchase Orders, and Reports. The Tabs can be turned off and on based on your license or your preferences. As it packs everything in one, it’s easy to understand, maintain, and manage.

Built-in ITIL Framework

We have defined around 80% of the ITIL processes templates such as Incident, Problem, Change Management, and CMDB. You can customize the rest 20% via point and click. Yes, It’s a bold step but it works like magic and helps you implement ITIL faster.

Related Links



Selamat kepada KANGEAN ENERGY

Selamat kepada KANGEAN ENERGY yang memilih solusi NAGIOS sebagai sistem monitoring jaringan dan server di perusahaannya.

Kami senang membantu Anda.
Silahkan hubungi kami untuk keperluan lisensi, implementasi dan jasa dukungan teknis NAGIOS. Kami selaku reseller resmi Nagios akan sangat senang membantu Anda.


Features

    about-screenshot
  • Powerful Web Interface: A powerful GUI provides for customization of layout, design, and preferences on a per-user basis, giving your team the flexibility they want. Dynamic content updates with AJAX technology provide real-time information on the latest status of monitored infrastructure elements.

  • Performance and Capacity Planning Graphs: Automated, integrated trending and capacity planning graphs allow organizations to plan for infrastructure upgrades before outdated systems catch them by surprise. Graphs are automatically created when you configure XI to monitor a new infrastructure element. RRD-based graphing technology provides efficient data storage over time.

  • about-screenshot
  • Dashboards: Powerful dashboards provide at-a-glance access to powerful monitoring information and third-party data. Dashlets provide users with the ability to customize their dashboards with the data they find most useful.

  • Views: Provide users with quick access to the information they find most useful. On-screen rotation of views ensures your team always gets the critical information it needs with a quick glance at the monitor.

  • Web Configuration GUI: An integrated web-based configuration interface lets admins hand out control of managing monitoring configuration, system settings, and more to other users and team members easily.

  • about-screenshot
  • Configuration Wizards: Configuration wizards guide users through the process of monitoring new devices, services, and applications – all without having to understand complex monitoring ideas or modify low-level configuration files. Ability to build and deploy custom wizards allows organizations to tailor XI to meet internal and external user requirements.

  • Advanced Configuration Manager: An advanced web configuration interface to Nagios Core allows administrators complete control over the monitoring engine configuration. Import capabilities provide for migration from legacy Nagios Core configuration files.

  • Advanced User Management: Simplifies your management of the XI system by allowing you to mange user accounts easily. Provision new user accounts with a few clicks and users automatically receive an email with their login credentials.

  • User-Specific Notification Preferences: Users can manage how they'd like to receive notifications, what they'd like to receive notifications for, and what type of information the notification messages should contain.

  • Non-Stop Operations: Protects against monitoring system failures due to misconfigurations and user error. The new Nonstop Operations Manager lets you rest easier knowing your monitoring system doesn't stop, even when you do.

  • Extendable Architecture: Built on proven Open Source components, Nagios XI's capabilities can easily be extended to meet your organization's needs. Hundreds of community-developed addons and monitoring scripts are available to extend XI's core functionality. Modular design allows for easy customization.

  • Database Backend: Integrated database backend and APIs allow for powerful behind-the-scenes access to monitoring and configuration data. Integrated authentication layers protect sensitive data against unauthorized access and empower organizations to develop their own front-ends for monitoring data.

Memonitor Remote dengan MSP Center Plus

Monitor your Remote Systems with MSP Center Plus
MSP Center Plus
Monitoring remote systems is always a pain. It becomes worse when they are distributed across hundreds of locations worldwide. Deploying monitoring software at each of the location to monitor just one or two, or few tens of devices costs you more, and also laborious to manage. That’s why we at ManageEngine have come-up with a remote systems monitoring software to help you manage all your remote systems from your NOC.

Introducing MSP Center Plus, agent based remote systems monitoring software designed for Enterprises and MSPs managing highly distributed networks. MSP Center Plus empowers you to monitor up to 25000 remote Windows servers / desktops, network devices, ATM/POS devices, Kiosks, etc. irrespective of the location from a single console. MSP Center Plus provides in-depth visibility and control over your remote systems.

The major highlight of MSP Center Plus is its IT automation workflows. IT Workflows helps you automate Windows registry, configurations, services, processes, and file management. MSP Center Plus’ other features include:
  • IT automation workflows
  • Windows / Non-Windows Server monitoring
  • Router, Switch Monitoring
  • Interface / Port Monitoring
  • Exchange, SQL & Active Directory Monitoring
  • Remote Control
  • Multi-tenancy support
  • ITIL Help desk plug-in
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Monday, July 25, 2011

Protect Your IT Facility... Don't Wait Until It's Too Late!Specific Environmental Conditions Threaten Every Data Center... Including Yours!

Protect Your IT Facility... Don't Wait Until It's Too Late!Specific Environmental Conditions Threaten Every Data Center... Including Yours!

By Michael Sigourney - AVTECH Software, Inc.
It seems obvious or unnecessary to explain why IT or facilities managers should monitor critical issues like temperature, power, humidity, flood, smoke, airflow, room entry and more. After all, AVTECH Software (AVTECH) has pioneered some of the most popular environment monitoring solutions available, and has been developing computer room monitoring products since 1988. These primary environment conditions, typically referred to as the "Big 7" (see pie chart), can easily bring any IT facility to a complete stop in minutes if problems arise and go unaddressed. These environmental concerns are hot topics in many leading industry publications and will remain so as computer rooms and data centers continue to change in design, form and function. Because power consumption is rising significantly as IT devices get smaller and more powerful, allowing users to cram more and more hardware into a single rack, this equipment requires significantly more energy to keep cool. Unplanned computer room and rack layout can also place expensive hardware in hazards way. If a problem does arise, it now impacts IT uptime and integrity in just minutes instead of hours or days like before the year 2000. As power costs continue to rise, reducing power use and cost is key to the bottom line.

Leading research groups and related vendors estimate that threats from IT environment issues will cost business and industrial organizations somewhere between $50-$100 billion next year in downtime and related costs. I know some of you will think that the above seems overstated, especially if you manage a data center with reasonable reliability and have been able to avoid problems in the past. Well perhaps your organization is indeed one of the lucky few that did not experience a problem last year. Hopefully you can dodge the bullet again this year as well. Although why would you take on such risk when solutions are available that cost less per day than a cheap cup of coffee or just pennies an hour (see comparison table).

Last year, 23% of all data centers experienced downtime more than 5 times as a result of IT environment issues and 61% of the remaining data centers experienced downtime 1-4 times. If you're doing the math, that leaves only 16% of all data centers saying that environment issues did not impact IT uptime or reliability at their facility last year. If you're in that small percentage group, congratulations. However, the danger of statistics shows that you'll likely join the other 84% this year. The key question for you is how often will disaster strike and how much will it cost? No matter what downtime costs for your facility, it's too expensive and impacts more than just money. Perhaps this is a good time to consider implementing a proactive approach to monitoring IT environment issues at your organization.

Recent studies in the area of IT environment concerns and practices have lead Forester Research, one of the world's leading independent technology and market research companies, to state that it expects IT environment monitoring to become a $9 billion industry by next year. According to Forester Research, a reactive approach is not cost effective and incurs too much downtime - automation is the answer. The need for this technology is obvious and the benefits become highly apparent to IT managers and staff the first time a problem is experienced.

Consider Some Related Facts:

  • Given average power consumption in a data center, if cooling is lost, temperatures will rise from the industry standard of 68° F to over 85° F in approximately 8.6 minutes.
  • For every 18 degree rise in temperature above 68° F, servers lose approximately 50% of their reliability. **
  • The power consumption used by the typical data center rose 39% between 1999 and 2005. **
  • The average data center has 72% of their cooling capacity entirely bypassing computer equipment. **
  • Almost every major computer vendor you can name (i.e. IBM, HP, Dell, Intel, AMD, Cisco, EMC, Liebert, Emerson, APC, AVTECH, etc.) will tell you to never run your IT equipment in an environment where the temperature is above 85° F. This is the industry agreed "blue line" where once crossed, you start to damage expensive IT equipment and lower its mean time between failures.
  • Human error remains the #1 threat to data center uptime and availability. Primarily because humans react slower and with significantly less consistency than computers.
  • Failure of a primary or backup air conditioner is a major threat in any and all data centers. It is the #1 cause of overheating and environment caused downtime.
  • Computers simply don't swim.


There are 3 primary functional components managers should expect and demand from an IT environment monitoring solution. These include: Monitoring, Alerting and Automatic Response. Just discovering a threatening condition or problem is not enough. Staff and managers need to be notified about issues in real-time by any and all methods that technology allows, regardless of when or where they may be. Then, if appropriate, automatic responses should shut down servers and important hardware, transfer processing, start or stop applications and more within seconds. Anything less is an incomplete solution that will later cost both downtime and money... maybe even the business or your job.

Data centers are each unique in their environment monitoring needs and potential risks. Applying a "one solution fits all" approach obviously is not appropriate. What seems to work best for many managers is an approach of using a combination of different solutions, some larger and some smaller, to meet the current IT monitoring needs that exist within a data center, a facility or throughout an organization. As the data center environment and needs change over time and with the addition of new equipment, managers have the greatest flexibility to move monitoring hardware and sensors around in order to use products most effectively.

One of the most popular environment monitoring products ever is the Room Alert 24E. This is a 1U 19" rack mount device with built-in and attached sensors to monitor real-time temperature, humidity and power while offering 22 external sensor ports for connecting additional digital or switch sensors. Room Alert 24E is considered one of the most reliable products available and has a list price of just $655, helping it to offer one of the best overall value ratios in the industry.

Room Alert 24E plugs directly into the network via Ethernet for immediate use and draws only 5V of power via a 110-240V power adapter that works anywhere in the world. International destinations automatically receive the appropriate international power adapter based on the delivery location when an order is received. Room Alert 24E has a built-in web server that displays real-time temperature and humidity, high and low watermarks, sensor status, custom labels and more. Alerts can be sent out directly and automatically from the Room Alert 24E hardware via email, SMS and SNMP.

Even though Room Alert 24E does not require any external software for use, AVTECH bundles two very powerful software products with every Room Alert unit at no additional charge. The first is a PageR Enterprise (PageR) license. PageR allows unlimited alerting by any method, alert hierarchies, scheduling, dependencies, automatic corrective actions and monitoring of any server, device or event across the network. PageR provides a single and central interface to monitor and manage an unlimited number of Room Alert units, as well as AVTECH's TemPageR and competitive products. PageR has the power to monitor any server, device or event worldwide across your network and it does this with "no rules" and "no agents". If your organization prefers to use another software monitoring package like Tivoli, OpenView, Unicenter, Nagios, What's Up, Big Brother or something else, you can immediately monitor Room Alert 24E via SNMP traps or queries.

The second software product bundled with Room Alert units is AVTECH's Device ManageR. This application allows users to monitor and manage an unlimited number of Room Alert and/or TemPageR units from a single window of your favorite web browser. It finds AVTECH monitoring devices automatically across your network in seconds, allows firmware updates to one or more units simultaneously, automatically logs all sensor data to an unmodifiable file that meets regulatory concerns and preserve data integrity, allows data export and alerting. Device ManageR also shows live real-time sensor data and status, allows graphing of one or more sensors simultaneously, discovers units across multiple subnets, will ping other devices and best of all... it's free with our hardware and covered under the support for the hardware. If you are not already using this, download it today as it is the easiest and most beneficial way to monitor Room Alert and TemPageR products. Besides, it's free to customers with current support services.

The first year of Maintenance, Support & Update Service (MSUS) is also included at no charge and provides unlimited technical support, 4-6 firmware and software updates each year, 1-2 CD distributions a year, printed documentation and the only 100% guarantee for complete hardware replacement in the industry. No worries though as Room Alert products are reliable and used by over 80% of the Fortune 1000, every branch of the U.S. government and military, 37 of 50 state governments, at the White House and many other locations in over 104 countries worldwide.

There are multiple vendors offering IT environment monitoring products today although only two vendors offer worldwide distribution and service. These leading vendors are AVTECH Software and American Power Conversion (APC). APC instantly became a player when they acquired NetBotz several years ago and placed these units into their distribution channel. Regardless of your preference for vendors, be sure to investigate all the differences before you purchase because there is a lot to consider and many features are only apparent after a product is delivered and installed. Look at the up front and long term costs; what sensors are included and which cost extra; how much do additional sensors cost; what alerting options are available; can you log and graph data; how mobile is the hardware; is it easy to setup and use; what support services are provided; is the company website informative and easy to find the answers you need; is there a hardware replacement guarantee; and more. The best solution will meet your unique needs and offer the greatest benefits at the lowest cost, both today and over the long term.







** Source: Uptime Institute