We performed a comparison between IBM PowerVM, RHEV, and VMware vSphere based on real PeerSpot user reviews.
Find out what your peers are saying about Proxmox, VMware, Microsoft and others in Server Virtualization Software."Active Memory Sharing dynamically reallocates memory of running partitions based on changing workload demands. The memory for the pool is carved out from Physical memory and is made logical memory. The said memory is not available to be assigned to partitions as dedicated memory. A min, max and desired as well as weight is assigned to the memory of each lpar to help hypervisor make a decision in case a condition where priority is to be given to a certain lapr to use the memory form shared pool."
"IBM PowerVM's most valuable feature is stability."
"It is a complete solution."
"A valuable feature of PowerVM is a feature that is used for higher availability plus stream for posting, which is very useful. There's a flash copy feature which we are using. PowerVM itself, I know, helps us to control and manage our Oracle licensing compliance, since it is our hardware partitioning. This is very important. If you use VMware, there will be a licensing issue. This PowerVM is a hardware partitioner, which is very important for license compliance. We are happy with this solution."
"We always recommend PowerVM to our customers; it is better than most solutions."
"The most valuable feature of IBM PowerVM is the performance of the database workload."
"You can increase resources with it automatically."
"Managing other operating systems is also straightforward with IBM PowerVM."
"It's a scalable solution."
"It is very stable."
"RHEV’s cost is much less compared to VMware."
"The most valuable feature of Red Hat Enterprise Virtualization is its pricing."
"What they provide is way beyond the essential requirements of customers."
"The solution has a good licensing module."
"It is a stable solution...It is a scalable solution."
"The most valuable feature of this solution is the support portal."
"Production people can quickly reboot the server with ESXi Quick Boot."
"The solution is stable."
"It is very stable and scalable, and implementation is straightforward as well."
"VMware vSphere has useful tools for management and support."
"The most valuable features are the virtualization and the performance on the virtualization platform."
"The performance of VMware vSphere is good."
"It has allowed us to be more resilient to infrastructure and hardware failure, reduced hardware costs, and decreased recovery time from failures."
"The solution has many valuable features. Virtualization is flexible and it has simple clustering. However, the most important feature is the ability to move between VMs. The vMotion features are very good."
"This solution is lacking the ability to have servers act as a cluster, such as in VMware. IBM has come out with a feature similar to VMware's vCenter but it is not as mature. They need to add LPM shared-nothing feature, such as in vMotion."
"As understand it, IBM sells all its hardware to Lenovo, and only PCs servers are managed by IBM. It's uncertain how much longer IBM will continue in this way, especially with the current trend of transitioning from on-premises to cloud and hybrid models. The market is evolving. Given this market shift, it's essential to identify areas for improvement. IBM has introduced the PowerVM Series, including Linux, which is a positive step. However, customers are already moving towards x86 servers due to cost considerations. The cost of PowerVM compared to x86 servers appears to be a significant factor."
"The solution is quite pricey."
"The product's pricing could be less expensive compared to other competitors."
"The interface is not user-friendly in places, so it could use some improvement."
"Any improvements that can be made in the interface will go a long way to helping us work better."
"A GUI version of VIOS would be a great plus for people moving from Intel-based hypervisors."
"IBM PowerVM could improve the price because it is expensive."
"The biggest improvement would be more third-party direct support for things like backups and provisioning through third-party portals."
"We'd like it if it would be possible on Red Hat Virtualization to possibly connect two or three VMs to the same disk."
"The support is tricky in a few places. We're facing some challenges within Malaysia where we don't really have the system integrators available who can provide extended support. When we need personnel on-site, we can't get them."
"The availability of technical expertise with the solution may be limited in some areas."
"The solution could use network virtualization."
"In comparison to VMware, this solution isn't as stable. We're testing it right now, and we're not trusting the stability of the product."
"The solution has a very small lifecycle."
"Customers are not aware of this solution, they can improve by providing more awareness and solution availability."
"The documentation could be improved. It does not help me to show the client the value of going with VMware vSphere rather than an open source or cheaper solution."
"They can maybe review its price. They can also consider offering a free public version for development for a certain number of users."
"The installation can take a long time, they need to improve on the simplicity and length of the installation."
"VMware vSphere is perfect for the on-premise solution, but we are in the cloud era, so I think maybe VMware needs to invest more in the cloud and the microservice chain. It would be better if VMware offered more cloud solutions and continuous applications."
"My biggest suggestion would be some kind of a mechanism - and it's almost an AI-type thing, a Siri/Cortana - for where to find how to do certain things. If there was the ability to just type in a basic question and say, "How do I change the VM settings for this?" and it could bring me right there, that would be really awesome."
"I would like to see AI in future releases."
"This solution should have a better backup policy. Furthermore, there should be an ability to expose the universal machine. In the current version, you need to shutdown and use an offline virtual machine to backup."
"They need to further develop graphics virtualization."
