IBM PowerVM vs. VMware vSphere

IBM PowerVM only is available on IBM POWER machines. It makes live much easier, compared to bare metal machines (OPAL) or machines with KVM. Personally I would not like to manage systems that don't have IBM PowerVM. The current line-up always includes IBM PowerVM (firmware built-in).

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vSphere is well suited for multiple VMWare hosts and can be very useful in larger enterprises where vMotion is used to load balance and failover running virtual machines. In smaller businesses with one or two hosts then the features can be overkill. The addition of virtual TPM support is a very nice addition to provide vm security in a more Microsoft supported methodology.

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• IBM PowerVM is used for virtualization on IBM Power series hardware to utilize the hardware resources more efficiently like micro partitioning for CPU, NPIV for fibre port...etc
• IBM PowerVM provides the feature of live partitioning mobility (LPM), which allows moving the running virtual machine from one hardware to another hardware without any disruption on a virtual machine.
• IBM Power VM provides the feature of Integrated virtual manager (IVM), which helps to manage the single IBM Power hardware. There is no need to purchase a separate hardware management console to manage the Power hardware. This works well for small organizations having small environments.

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• vMotion that provides seamless movement of Virtual Machines between physical hosts and datastores.
• Ease of Manage: vCenter provides very good management experience to the users.
• It provides hassle free upgrade of versions, which requires good planning.
• Easy to manage datastore, networks, CPU and memory resources.
• It also allows to convert the physical machine and bring it to vSphere Environment with minimum effort.

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• The ability to run Windows. Hardware architecture does not allow this, but it is a limiting factor.
• More performance monitoring and management could be built in.
• Sometimes is marketed and packaged in some rather unusual ways

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• Allow enable EVC without requiring host shutdown
• More detail in recent tasks. Instead of just showing a task called "Reconfigure virtual machine" also have a link to more detailed information as to what was reconfigured, changed or removed.
• Allow searching tasks or events

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The product works. It provides the proven environment to support IBM's primary operating systems that run on the IBM Power processing systems. This by extension includes the IBM various storage products that work within that environment. It has proven to be seamless as the environment has grown and as various new products and version updates have been added. As with most IBM products, the support is excellent.

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We are constantly looking for change that will benefit our company. We are not ones to stick with a product simply because it is what we know, but rather looking for what fits us best. We can't imagine another product on the market today doing a better job of handling our infrastructure than vSphere.

Since it is built into the firmware (hardware) it requires no separate installation (except for the Virtual I/O servers, if you need those). Both HMC and Novalink (with PowerVC) support IBM PowerVM well and offer a user-friendly interface to setting up LPARs and making changes, most on the fly. Modern systems also give insights into performance, power consumption etc. A lot of separate tools exist to show more details, like LPAR2RRD, IBM Instana, IBM Turbonomic etc.

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Very useful for environments where space and energy consumption are issues and management is not very keen on upfront spending on hardware every time whenever requirement comes from any dept for provisioning a machine for their occasional use, easily can be done in case of VMware vSphere in few clicks. Backup, security, monitoring and management everything is covered but at additional cost.

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I rarely ever have to contact support and when I do need to resolve an issue, there is always an abundance of kb articles and research information available that can help quickly resolve the issue. Depending on the type of support contract you have, you may get support from some offshore group in another country and this could be a little challenging because of the language barrier.

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Just make sure that when you implement, that the person implementing truly knows what they are doing and has a plan of action coming in. Since our initial implementation using a consulting service, I have implemented a few vSphere just from what I learned at the initial implementation and use over time, and the person implementing really needs to know what they are doing or you will miss out on features that may help you down the line

Our company utilizes VMware and PowerVM. VMware is very user friendly from an IT support view and makes supporting Windows OS easier. PowerVM is moving in that direction. PowerVM is better in that you can prioritize workloads across different VMs and be granular in your reservation of cores and virtual CPUs. PowerVM allows you to modify VM characteristics while the VM is up and running

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vSphere has a lot more feature sets than Hyper-V but at a much higher cost of entry versus MS Hyper-V. I have not been able to play with Hyper-V as much as I would have liked, but the setup and ongoing maintenance seems to be easier in vSphere than with Hyper-V

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The contract terms are very clear and can be updated as per the project requirement. Customer support is also included in the contract which help us to troubleshoot critical issues very easily. Training included in contract will really help the client team to empower and hands-on on the latest updates and enhancements

As I said earlier, they're always ready to understand our issues and propose the best and most appropriate solution for issues all the time. The security patches solution is accordingly to the business needs. Another scenario is their Knowledge Base where
they're many articles that help you in order to solve something which
is wrong.

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• We are able to run several LPARs on one frame, which means we do not need to buy as many physical servers. That saves on floor space, power, and heating and cooling of the data center, among other things.
• Using LPM allows us to do maintenance on a frame without impacting the LPARs, giving us greater uptime.

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• Having vSphere helped my business quickly recover from a ransomware attack which would have crippled us for weeks if we were not virtualized. I think the ROI on something like that is immeasurable.
• vSphere has allowed my company to purchase bigger server hardware to host 3 or 4 virtual servers, which was at a cost much lower than buying 3 or 4 server hardware boxes, saving us thousands each time we need to upgrade hardware.

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