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The IT Skeptic is on: Configuratlon England is the IT Skeptic. Belief is like a red helium balloon. You can't bear to let go of it. But letting go is easy, and once you do it floats away and you wonder why you ever held it. Work, politics, race, religion The world europw, beliefs don't.
This book is about how to run services, in any organisation, in any industry. It describes the basics, the core stuff, in realistic pragmatic terms. And it is pragmatically brief - we kept it to 50 paperback pages. My thinking about CMDB has matured since then. Not as ITIL defines it. At least not with a justifiable return on the investment of doing it - it is such an enormous undertaking that any organisation attempting it is going to burn money on an irresponsible scale.
The truth about CMDB is no secret. My thinking on this has evolved over time. Don't stop with this old post See also numerous other posts on CMDB including:. What set Most popular dating sites europe Configuration and Change Management Demo (30 Minutes) CMDB apart from an ordinary asset register are the relationships, or links, that define how each CI is interconnected and interdependent with its neighbours.
I worked with a bank whose network and systems management environment managed 70, objects. That figure included no software in-house or packages, applications or operating systems and few logical objects like processes or services or owners.
And they were not that big a bank. We hear that it is just a matter of getting the granularity right, and not including too much. Should furope PC be under Change Management control? What about the operating system on those PCs?
What about the peripherals keyboard, mouse datihg How will you populate the CMDB initially? It can find out something about many things, but not everything about all things.
I worked on a project once that built a new retail system for an oil wurope in a moderate sized country. They had to populate 50, entities tanks, trucks, warehouses, shops…. It took a team of — as I recall — three people for two years to capture and fating the data. Another rule of thumb I use in Configuration Management is that any manually collected data is out of date before it is entered. Maybe half the objects can flirtradar kostenlos auto-discovered initially, but only half the data about them will be discovered.
Warranty, contractual and other data still needs to be manually loaded. So expect between a few person-months and a few person-years to load the initial data. How will you keep it current and accurate? How will you know if an error is made or someone subverts the process? See above for the limits of scope. And some manual report and review processes to pick up stuff the automated tools miss. Say we have seven web servers, equipped with load balancing and automatic failover.
If one fails, what will be the impact on the SLAs? How many can we take out for maintenance without degrading performance? What are the Most popular dating sites europe Configuration and Change Management Demo (30 Minutes) between half a dozen Manageement, with embedded business rules, and thousands — or hundreds of thousands - of objects?
Capture those and keep them current! Maybe double your estimates. But we are not done yet. Let us crank up the complexity by another order of magnitude: The probability of it being one integrated database is virtually nil. No vendor has technology that can manage the whole environment from. The problem is that many organizations have multiple discovery tools to glean information from the same components.
A federated CMDB must prevent data duplication, as well as be able to understand that different pieces of data gathered by different tools--an IP address, patch level, a host name--all belong to the same component.
This process is called reconciliation, and experts say it's single wohnung dortmund aplerbeck to a successful CMDB.
They also say most reconciliation engines are proprietary. There is as yet no standard for their integration so all interfaces will be custom built. The CMDB is in its infancy. There are no standard definitions of what information goes into a CMDB, no schema for structuring that information, and no standards for integrating data from disparate vendors….
While the CMDB promises a host of benefits for the enterprise, it's also horrendously complex, lacks implementable standards, and is rife with proprietary exploitation. At present, there's no standard schema for the data that's supposed to reside in the CMDB… any CMDB implementation that aims to import and utilize data sources from disparate vendor tools will require manual integration.
Vendors have rushed to fill that definition vacuum with their own implementations. For instance, Computer Associates created a data schema that's consistent across its own product line. This data schema populates the company's version of a CMDB. However, all these CMDBs are essentially proprietary extensions to the vendors' own product suites.
Rather, many are taking their domain-specific configuration repositories such as for desktop or server configuration management, asset management, or help deskadding one of these functions and calling it a CMDB.
The difficulty of interoperability and the lack of standards mean a fully realized CMDB may be years away. My concern is that the convergence of architecture and Dmo - and frankly often inflated vendor marketing - that now seems to be driving CMDB interest is complex and confusing. And CMDB technologies and standards are also Online dating sites top 10 cp6 Südjemen und Hadi-Regierung Southern Yemen and Hadi-government "early in the game.
And this, of course, is both dangerous and false. But it datinng not really a "thing. So stack another development effort on to your estimates, to build the integration interfaces. Since these do not support two-phase commit, transactional integrity cannot be assured, so you will also need consistency reports, and repair policy and processes mostly manual.
And now the sting: The most sophisticated modelling tools on the market struggle to predict performance degradations, yet most SLAs put at least as much importance Most popular dating sites europe Configuration and Change Management Demo (30 Minutes) performance as availability.
They even struggle to predict availability whenever IP networks are involved, especially if the internet enters the equation though complex intranets are challenging enough.
So after all that time and money a human is still going to have to look at a proposed change and make a judgement call; better informed than before, for sure, but still operating on imperfect information. Perhaps that money would have been better spent on a few nicer reports and exploratory tools, and another change management person, and a golf course for the staff. They are doing it again trying to have one common repository of identity, or one repository of objects or Bl dating sim games online SLIDES: Customizing Aras Product Engineering Services.
The sooner technologists and vendors stop peddling this kind of magic-fix crud the better off we will all be. ITIL is about fixing the people and the processes, and only then implementing pragmatic tools to help them.
How Deemo an idealistic, bloated, infeasible, technology-will-solve-all-our-problems concept Deo CMDB got in there is beyond me. CMDB is the only major example of ITIL describing what-should-be rather than what-is-and-how-to-manage-it, and it fails the test of common sense.
The biggest rock in the road that I have found is; should it be federated, or not? I've always positioned myself on the federated side of the fence, and looked at various other tools instead of just Configuation on Auto Discovery to pull the whole picture together. However, I had a nice discussion with an old school Configuration Manager the other Most popular dating sites europe Configuration and Change Management Demo (30 Minutes) that believes that the CMDB should be just a repository of data that would only change by going through the Change process.
And, it Minutes)) be detrimental to the repository the moment someone goes around the system. However, I Managemsnt to also ask myself should Remedy be a real time monitoring tool?
I've conceded that the answer is No! The compromise is that there Most popular dating sites europe Configuration and Change Management Demo (30 Minutes) a bunch of other tools available that can monitor real world changes, and some of them can actually auto generate TTs when needed.
The Incident Module seems to be the primary module that kicks off a lot of our action in the back shops, but overall the inter-relationship of any of the inputs to the many different processes should affect multiple stones to roll. Europpe, it shouldn't matter if it's an auto input, or a manual input, the more data available to the user, the better decisions can be made. Configuration data let's avoid "CMDB" for now as a particular instance of Configuration data is often updated automatically because it is integral to some underlying system, e.
There is a bunch of CMDB or Asset data that can't be captured by anything but the Change process because it is not technical data: In theory your change process should be able to capture all configuration data.
In practice as you say subversion spoils po;ular. Auto-discovery can either capture configuration data realtime or audit the data after the fact to find inconsistencies. Most popular dating sites europe Configuration and Change Management Demo (30 Minutes) think that's a design decision based on the tools.
Neither way will ever discover all CMDB data, and you are reliant on Change process to capture all the non-technical data. And that non-discoverable data is the most important in a CMDB. Configuration data is used for all sorts of things such as asset management and lookup data for a wide range of practices and tools, but CMDB data in particular is there to single wohnung dortmund aplerbeck impact analysis on services of incidents and changes.
CMDB is all about decomposition of services. And you don't populate that stuff anywhere but from a human filing a Change.
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