|To continue with the series of blog posts regarding WebSphere CloudBurst FAQs, I want to take a look at one aspect of the deployment process.|
|When you leverage WebSphere CloudBurst to push patterns (complete WebSphere Application Server configurations) into a private cloud, the appliance provides an advanced placement algorithm to determine exactly where the resulting WebSphere virtual systems will reside. It attempts to match the needs of the pattern to the correct set of hypervisors that have been defined. WebSphere CloudBurst considers things like storage, CPU, memory, and high availability characteristics when placing the pattern, and this is all done by the appliance without you having to intervene at all.|
|This is certainly nice in that it absolves you from having to make such placement decisions. Having said this though, you may be thinking of a question that comes up quite often:|
|If WebSphere CloudBurst controls the placement of the pattern, how can I make sure that certain deployments end up on certain servers (hypervisors)?|
|Considering what I just told you above, it may not seem that it's possible to control what machines end up hosting your virtual system since the appliance takes care of that placement for you. However, the organized use of WebSphere CloudBurst cloud groups allows you to take advantage of the intelligent placement provided by the appliance while retaining a level of control over which machines end up hosting particular deployments.|
|In WebSphere CloudBurst all patterns are deployed to cloud groups. Cloud groups are a collection of hypervisors that have been defined within the appliance. The basic deployment mapping is depicted in the image below:|
|As seen above, you can create a cloud group for any purpose (dev, test, QA, production, etc.), including any hypervisors that you desire as long as a given hypervisor only belongs to a single cloud group. When you are ready to deploy a pattern, you simply select the cloud group you want to deploy to:|
|By selecting a cloud group for deployment, you are implicitly selecting the physical machines that will host your deployment. The cloud group could consist of anywhere from one to N hypervisors, so you are afforded the ability to restrict the location of your virtual systems as necessary.|
|I hope this helped explain a little bit about cloud groups in WebSphere CloudBurst. If you're looking for more information about WebSphere CloudBurst cloud groups, I'd also suggest you watch this video on our YouTube channel.|
|-- Dustin Amrhein|
A view from the clouds: Cloud computing for developers
DKA 0600026VJ2 Tags:  cloud websphere cloudburst cloud_computing websphere_cloudburst 4,975 Views
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Dustin and i manned the IBM booth at InterOp in Las Vegas last week. The conference was very different from the industry conferences I remember, but then again I haven't been to one in a long time. I don't recall seeing boxing matches, light shows or bikini models but I think they are a welcome addition.
Ostensibly this conference was focused on cloud computing and was even called the "Cloud Summit". However, in the vendor area, there were few real cloud computing specific peds. Most of the vendor displays were about hardware, system monitoring and security.
Ric Telford of IBM gave a keynote address and sspoke of IBM's cloud offerings. After the keynote, there was a flurry of visitors asking about IBM, Cloud Computing and IBM's cloud offerings. Most of the visitors were looking for education and we were happy to have the opportunity to talk about the company and cloud computing from IBM's perspective.
We had the CloudBurst Appliance with us and it drew some interest. The purple case definitely stood out and drew inquiries. Some excitement is being generated but I think now the industry and the market has to catch up to us.
-- Scott Quint
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If you work in a development shop similar to mine, you and many of your coworkers have more than one workstation under your desk.We use those extra machines for a variety of reasons but by and large they they tend to serve most often as foot warmers. That is not to say that they are unnecessary but rather they simply aren't used most of the time. If you try to eliminate one, you will surely need it within the next week but if your manager asks if it is really necessary you would be hard pressed to pinpoint precisely when the last time it was used for something really important. To developers, these extra machines are potential sandboxes for isolated experiments or testing scenarios. For managers, they are relatively unused capital investments that require inventory control and have depreciating value.
If you are a network administrator there are certainly computers in your inventory that are older and lack the capacity to be counted on for everyday use. They sit in a corner or in a blade rack and are probably idle or even powered off. These assets take up physical space and contribute very little to your data center. However, they have little sale value but may represent a significant investment. Or maybe you just can't part
with them for sentimental reasons.
Whatever the reasons for having computing resources lying around that are seldom used, here is an idea: Virtualization. With virtualized images you can use those machines for whatever purposes are required and for as long as they are required without having to spend hours loading them with a compliant OS image, installing software and configuring them for use. Virtual image libraries could hold preinstalled systems for almost any need. It could be for anything:
When the need for the machine is passed, it can be un-deployed and returned to the pool. This could significantly increase the available computing power of an entire development business. The ability to turn any machine into a needed and useful system on demand is real agile computing and gives a whole new dimension to governance.
--- Scott Quint
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Cloud Computing is essentially a Systems Management innovation. I understand that, to some, that means simply managing hardware and capacity or computing power. However, it also involves deployment of enterprise level software. While some software is a kind of out-of-the-box asset that can be installed generically as if it were a hard asset, infrastructure software like WebSphere requires considerable skill and knowledge.
Tier1 cloud computing implementations must be able to expand the enterprise into provided capacity quickly and autonomically. If the scale-out requires tremendous effort and specialized skills then the cost savings that cloud offers is severely mitigated.
CloudBurst provides a mechanism to quickly deploy WebSphere environments to private clouds and allows the administrator to simply manage the assets on which WebSphere will run. The expertise of setting up and configuring WebSphere is, in effect, canned. This allows for much more rapid deployments and reduces the need for more expensive admins.
While many companies are still putting forward more technologically sophisticated offerings that still require even more technologically sophisticated staff, WebSphere has produced a product with a value which is more easily realized, understood and which can be seen on the balance sheet.
- Scott Quint
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