IBM DevOps Code ClearCase vs. Microsoft System Center vs. Nlyte Data Center Infrastructure Management (DCIM)

IBM Rational ClearCase might be better suited for a smaller / simpler code base. Larger code bases really slow it down... but then again there are better alternatives out there for source control

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For companies with more than 10 Windows devices and needing to standardize the OS, AV, access, share resources, and install software. SCCM is the way to go. This software is unnecessary if the business is all remote users and not in an office-type setting. There are cloud offerings or none to accomplish what a business needs.

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Nlyte is well suited for keeping a detailed inventory of the assets in the hosting center. With the ability to import hosting center floor plans, knowing exactly where each asset is located is a snap. When alarms occur in monitored devices, this also provides faster resolution because the exact point of alarm can be displayed on the floor plan. Nlyte is also well suited for organizations with data center assets housed in multiple locations. In some cases, as with my organization, some of the locations are Telco rooms or closets. Again, when properly set up, a device causing an alarm can be pinpointed to its exact location.

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• Rational ClearCase is excellent for handling versioning and branching. No other tool I've used has the depth that ClearCase has when it comes to handling complex branching scenarios and identifying where certain versions of particular files are within a particular configuration.
• Rational ClearCase handles parallel development of many dependent applications really well.
• The use of ClearCase Views to switch between projects and configurations is extremely convenient as opposed to the local workstation model of the competitors.

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• Allows the grouping of devices by user.
• Allows controlling updates being deployed to user devices.
• Allows for the repurposing of machines by being able to load new or updated software on machines that already are in the system.
• Allows us the ability to wipe a machine clean and restore it back to the configuration that was assigned the machine.

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• Nlyte Asset Optimizer (NAO) tracks every asset in our hosting centers and when integrated with Nlyte Energy Optimizer (NEO), which monitors the hosting center environment, we can see, at a glance, the asset causing the alarm and its exact location in the hosting center. This is a strength, as it provides for faster resolution of problems if/when they occur.
• Nlyte Asset Optimizer (NAO) has a lot of built-in reports that are great for looking at. For example, servers of a specific brand, or how many Us are taken up by servers. I see this as a strength and use this capability for capacity planning.

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• Extremely buggy.
• Sometimes the repository gets locked for no reason.
• Slow.

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• Needs web based storefront for requesting new software
• Needs ability to manage the packaging work flow better
• Sometimes is slow to download and there is no indication the entire catalog is being loaded, resulting in confused users not being able to find common software in the available list.

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• Nlyte Asset Optimizer (NAO) is currently all manual entry of assets. It would be great if NAO could provide for automated discovery of hosting center assets. This automation would be limited to ICMP and SNMP communication so not every asset can provide automated discovery, but it would be great for all IP addressable devices.

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It is not user-friendly for the most part. With IT infrastructure, sometimes it cannot handle excess requests. Every few months, you will need an upgrade in terms of server resources to keep up with incoming alerts and requests. This does not happen all of the time, but it does happen when there are too many requests.

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If I had to dislike something about the system it would be how much it changes once you upgrade. This could be more of a problem of mine since I get used to one way and don't like it when it changes so much. I am enjoying the newest update, but it is a mess when you are actually going through the upgrades.

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If development is centrallized to one location and your company releases hundreds of customized versions of your software per year, then ClearCase is the best tool for managing the complexity of multiple versions of customized software. If your company has globally distributed development, then I'd recommend Team Foundation Server over ClearCase. If your organization uses Agile Methodologies, then I'd recommend TFS with GIT.

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We previously used a mix of FOG and Clonezilla to image machines. The biggest issues with these products is that changing one piece of the image required you to rebuild the entire image itself. These pieces of software also did not allow you to manage applications and Windows Updates, causing IT to have to constantly touch machines after they were imaged and update or manage them with a much more hands on approach.

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I am still using the other three products as they have features that Nlyte does not have, and that are really out of scope for Nlyte. I can give one example because this product is an in-house application. It is our CMDB application, and it interfaces with several other in-house systems to provide data that Nlyte is not designed for. Example: If we get an alarm from a server, and if there is currently a planned outage with a Request For Change (RFC), we ignore the alarm unless it exceeds the RFC window.

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• Managed code versioning for many years.
• Only one person can edit code at a time - slows processing down.
• IBM is an expensive product to support.

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• We have been able to automate our patch management, firmware and other security concerns.
• We have a standardized "image" ensuring our setup is consistent across the enterprise. This alone has saved us in time to support and time to understand how to use our desktops.

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• Nlyte has had a positive return on investment (ROI) for my organization. A big factor in the ROI is having faster resolution times when alarms occur.

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