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Rated 3.5 out of 5 by 17reviewers.
Rated 4 out of 5 by One of the most intriguing things about Oracle VM is that it's a free enterprise-grade hypervisor. Valuable Features:I think the most intriguing thing about Oracle VM is it's an enterprise-grade hypervisor. So it handles all the virtualization, and it's free. You don't hear the word Oracle and Free a lot, but there's a lot of stuff at Oracle that is free and Oracle VM is one of those.It does most everything that you need in the enterprise for a hypervisor for virtualization. I can run VMs in it, I can do farms of VMs, I can run Linux, I can run Windows, I can run Solaris, I have a lot of choices of operating systems. It does everything that you need it to do for most of your needs for hypervisor.There's a lot of benefits with Oracle VM that I like. I've been working with 3.4.1 which just came out. I've been working that prior to release. There's some features there that they added like Live Storage Migration that is really a key feature for that enterprise ability in the environment. The other thing is how it handles what are called partitions, from a licensing aspect. When I have Oracle licensing challenges that I have with some of the other hypervisors, Oracle VM is able to be configured so I don't have those challenges.Room for Improvement:What features would I like to see in Oracle VM in future releases? I can think of a ton of them. Some of them are just coming out. Better disaster recovery, though they just introduced a new technology called Oracle VM Site Guard that's helped a lot in disaster recovery. I would like to see better integration to Oracle networking hardware, so that would be nice, the integration between the Oracle physical networking hardware, the S2 switches would be nice for that integration.Scalability Issues:Scalability of the solution, we use it all in our labs and we have some small production use. I also have clients that are using it, not had an issue with scaling systems very large. Getting into server individual pods or pools or servers, 16 nodes, no problem. Getting into farms running thousands of VMs, no problem at all.Technical Support:Oracle technical support for OVM is one of the strong areas I've seen from Oracle support. The support staff are fairly knowledgeable on the product. I haven't had too many issues. When I had the few cases to open up as a port issue where they weren't able to help the surprising thing though with that is I haven't had to call Oracle support a lot for the product. It's a very stable product, very robust product. The number of tickets I've had to open up with Oracle have been minimal since I've been using the product heavily now for the last five years.Previous Solutions:I think it becomes more of a why do you use it situation. One of the things is it's a cost savings. Since Oracle VM is free and the support's free when you have Oracle hardware, you don't have to pay the expense you pay with a lot of these other hypervisor packages out there. It's an immediate cost savings out of the gate. The other times you look at what do you want to run Oracle VM is when you have performance issue. The way it works technically under the covers, the lower level of the hypervisor, the VM runs faster and I get better performance. In small environments it's nice my application runs a little faster unvirtualized. In larger environments, it's actually a bigger deal. Not only do my applications runs faster but because of the efficiency I actually have to buy less hardware.Implementation Team:The initial setup for Oracle VM is pretty straightforward. Installing the hypervisor on what's called an OVS, Oracle VM Server takes maybe five minutes and you're up and running. Installing the management software itself, they may take a little longer, maybe an hour for a complete install from scratch before you're up and running, and it's all web based which is really nice. You don't have to have any special clients on it. Often I'll be managing the system either from Windows or even from my iPad.Other Advice:If I have to give it a rating between one and ten I would give it a nine. The reason I would give it a nine is there is some room for improvement with some of the areas in the manager. Some of the integration to the networking layer with the Oracle products would be nice.My recommendation to peers is if you're looking at hypervisors, have an open mind. The market's not just dominated by single hypervisor. Look at the technology out there and give it a fair evaluation of what it's capabilities are.Disclaimer: IT Central Station contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor. The reviewer's company has a business relationship with this vendor other than being a customer:We're partners. May 31, 2016
Rated 3 out of 5 by While it is a good solution for virtualization, it is less flexible than other market solutions like VMware. Valuable Features:The CPU pinning feature that allows to link a virtual CPU (VCPU) to a physical CPU core. This feature is very useful in a virtualized environment who has on premise applications licenced by restricted number of CPU cores.Improvements to My Organization:As a virtualization solution, this product help us to build and deploy development environments more quickly.Room for Improvement:Resizing of Virtual disk needs to be improved, as does hot swap for VCPU and RAM.Use of Solution:I've been using it for years.Deployment Issues:There were no issues with the deployment.Stability Issues:We've experienced no issues with performance.Scalability Issues:It's been able to scale for our needs.Other Advice:While it is a good solution for virtualization, Oracle VM is less flexible than other market solutions like VMware.Disclaimer: My company has a business relationship with this vendor other than being a customer:Our company is Oracle Platinum Partner and provides IT services based on Oracle Products like Database, Middleware as well as Virtualization. May 23, 2016
Rated 4 out of 5 by Live migrations work as advertise and, if set right, it moves VMs around to balance out the resources. Valuable Features:Live migrations work as advertised and, if set right, it moves VMs around to balance out the resources.Room for Improvement:Development of the product seems slow, but then again, I do not want a rushed product. Oracle states that this is their solution for their products, but Windows is fully supported. It may not have all the features of VMware, but those features come at a cost (monetarily and performance-wise). I want a rock solid foundation, and I don't want a bunch of hooks into the foundation of my Windows infrastructure.Use of Solution:The system we set up has two nodes (hosts) and one manager. We are using an HP DL 380 for the manager and 385s for the hosts, which, at the time, were not on the compatibility list, but it still works.We have most of our Windows domain on OVM. One host has one domain controller, the other host has another domain controller. So just in case we lose a host, we do not loose an authentication server.Deployment Issues:We had problems with the PV drivers setting CPUs above eight, but this limitation is noted in the ReadMe file.Stability Issues:Once the system was up and running, the VMs ran great! We have Windows 2003, 2008 and 2008R2 servers. At the time, in July 2013, 2012 was not supported.Scalability Issues:We've had no issues scaling it for our needs.Previous Solutions:I was using Oracle OEM and Dell Foglight on virtual machines that were already on the market. When Oracle came with its own VM product that was better suited to an Oracle environment and easy to use with Oracle builds, we switched.Initial Setup:I set up the manager first. Since this is an Oracle installation, I chose to install the manager software on Oracle Linux 6.1. Nothing fancy needed, but I installed the desktop to make things easier for me. I have two NICs set up, one to connect to my network, and the other to connect to the hosts (for management, VM live migrations, and the heartbeat). I then installed the manager software and you just need to click Next>Next>Next. Be sure to write the password down, as this is the password needed to gain access to the management console (via web).The hosts were a snap. We do not have any hard drives in the host, but do have a flash card to boot from. So I chose the "minimal" install for the flash card install, and you need to set a root password and a discover password. Make note of them as you will need the discover password to make the connection in the manager. Keep the discover password the same for all hosts to make it easier. Once in the manager, before you discover all the hosts you need to manage, you will need to set what the VLANs are, bonds to the network, how many virtual NICs you will need, etc. After you discover the nodes, you will need to set up a pool repository that keeps all the info on the VMs. This repository should go on the SAN. Another repository should be set up for all your ISOs and other VM volumes if you chose not to use raw LUNs. Connect all the storage you will use (we have HP P4300s). We use all raw iSCSI LUNS for our VMs. We lose some functionality in OVM, but gain others via the SAN (snapshots, etc).Cost and Licensing Advice:You get enterprise features for no cost or low cost if you chose to purchase support.Other Advice:Do not attempt to run OVM on old hardware as it only runs on 64-bit systems. Check with the hardware compatibility guide for more details.This is a great solution and, in my opinion, it's a rare jewel that more Windows shops should be looking at.Disclaimer: I am a real user, and this review is based on my own experience and opinions. May 11, 2016
Rated 4 out of 5 by We can expand or contract the resources, such as memory, that are assigned to different solutions as needed. Valuable Features:This is supported by Oracle and optimized for running its database and software. Among the benefits is the ability to create huge pages within a VM, which is very beneficial for databases. The other major benefit is the ability to use OVM as a partitioning mechanism to reduce licensing costs for Oracle software.Improvements to My Organization:We are able to run many different solutions on a small number of hypervisors. We can shut down those solutions that are currently not of interest and can expand or contract the resources, such as memory, that are assigned to different solutions so that a developer may struggle a little, but a client demo will fly on the same instance when given 200% more memory.We also use the live migration facility to move VMs among servers in our farm so we can perform patching and other activities.Room for Improvement:Currently, there are some cases when the GUI and the back-end go out of sync. For example, the GUI shows the VM as running whereas it is actually already shut down. This could be improved.Use of Solution:I've used it for over four years.Deployment Issues:We had no issues with the deployment.Stability Issues:When we were previously using a dual-head storage with automatic storage pathing, we faced issues with compatibility since the shared storage kept getting re-mastered to different heads by the various servers which did not choose to access by the default assigned heads.We fixed this by replacing our storage with a supported/certified one. We have seen much better stability when using one of Oracle's purpose-built virtualization appliances, like PCA or ODA, to implement virtualization.Scalability Issues:There have been no issues scaling it for our needs.Customer Service:The customer service ranges from average to exceptional. We faced an issue with HBA NIC drivers that we could not solve and, at this point, we were told it was driver issue and they left it at that.Previous Solutions:We chose this product because of the compatibility with other Oracle software and the ability to reduce license costs.Initial Setup:The initial setup was a little challenging at first as when we first started the hypervisor, we did not have support for our raid controller card so we had to learn to compile a custom kernel. However, the latest versions are much better.Implementation Team:We did it in-house as we wanted to gain the skills since we are a vendor for other clients. Having gone through the experience and gained a lot of knowledge in the process, we would recommend that it can be a little challenging.Cost and Licensing Advice:OVM support licensing is included in the price of any Sun x86 servers. Since we can use the software for partitioning, it helps save on the licensing of other Oracle products that are licensed on a per-core basis.Other Advice:We have seen stability challenges if the storage and network is not rock solid. In fact, the most robust solutions are those where the integration is already done, namely Oracle PCA, Oracle ODA, and Oracle Exalogic. These can be a little expensive for smaller setups, though the ODA is a very interesting choice in such constrained budget scenarios.Disclaimer: I am a real user, and this review is based on my own experience and opinions. May 11, 2016
Rated 4 out of 5 by The valuable features are the cost and the convenience of the physical machines, meaning that you can have multiple virtual machines that you can use for many other different tools. Valuable Features:The valuable features are the cost and the convenience of the physical machines, meaning that you can have multiple virtual machines that you can use for many other different tools, not just Hyperion. We work with different Oracle products such as EBS, OBIEE, and Hyperion and they're all integrated so we don't have to have different physical servers located in our datacenter. What you can do is create different virtual machines in the same physical server and use that for any of our products.Improvements to My Organization:For example, we are going to upgrade our Oracle BI product, so that needs to have more servers. What we are thinking to do is to create more VM's in the same physical server instead of buying more physical servers. It's just a matter of creating a new virtual machine, which is not a big task for the administration team. Probably within an hour they're able to build up a new server for us, so it's easy, faster and cheaper that way.Room for Improvement:Initially, you did not have an option in Oracle VM to build an image and just restore into a different physical or virtual environment, but now the option is included. That's one thing I thought wasn't there and wanted to have, because we are planning to move our Essbase database server from physical to virtual, and I thought it's not going to be easier because you can't just export the physical server and just import everything into the virtual machine. Now the integration is there. You can export the physical server's configuration, their registries and everything, the databases and then just import them to virtual machines. That's the only lacking feature I thought was with VM, but they have included it.It still takes some time and the valuations have to be done by the admin, so it still is taking more time. That's, I think, one of the challenges that we recently had when we were talking to our administration team. The Windows and Linux admins took some time, like a couple of days, to build servers for us, which as far as I think being an IT person, it's a virtual machine. Once you have the image it should be easy enough to import it into the new virtual machine, built up like a snapshot.I think they could make the implementation faster. It's still taking some time, which should be eliminated in the future, I think, and it will be because I've seen a lot of improvement already.Deployment Issues:If deployment could be more faster, that would good, but right now it's fine. It solved my problem of migrating from physical to virtual, so initially I had to reinstall Essbase and it's a big challenge in the Linux machine.Stability Issues:I haven't seen any big issue with the stability. There have been no issues with instability that I've seen.Scalability Issues:It's been able to scale for our needs.Initial Setup:Within one day, we had migrated a physical to virtual server and then we had a database working, and it was like seamless transition. We just changed the alias of that machine to whatever the listing server alias name was, and the application picked up right away.Implementation Team:We implemented it with our in-house team.Other Solutions Considered:I looked into vSphere and Hyper-V, and then decided that we could not go with any other non-Oracle virtual technology. It had to be Oracle VM, so that's one thing I wanted to make sure was that we had Oracle VM as a new server, otherwise Hyperion is not going to be supported on non-Oracle virtual servers.For us, the biggest thing I think is the compatibility with all the other Oracle products. We have ERP and EPM and all these reporting tools like BI. The most important factor for us is when you talk about the compatibility of all these different products, it has to have compatibility with dependent operating systems, the servers, the database, Internet Explorer browsers, Java, and all those different tools that are integrated in our system.If we go with any other virtual servers or virtual products, let's say VMware, it is compatible but it's not 100% guaranteed that we'll be supported by Oracle support. Let's say in the future if we have a problem, Oracle support might say we are not able to support because you are using third-party tools. That's the most important factor and advantage over other tools in the market available when we choose to go with Oracle.We just did the upgrade of our Oracle Hyperion, so one thing I learned is we could not go with any other tool because we have all these Oracle products integrated tightly and we cannot just install them on some other non-Oracle products. I think we are also talking about to move from physical to virtual for one of our Essbase databases. Right now it's on Essbase, which is under Hyperion, on a physical server, so again, just to take advantage of the cost and the recovery and the disaster recovery and all those benefits that virtual machine has to offer.Other Advice:Prepare for the development time and the allocation of resources. That's the key thing. When you're building an image or a Oracle VM server, how much resources are you allocating? Let's say for example, the storage and buffer memory and the processor speed for each of your instance for that physical server capable of 100 gigabyte of memory, and then you're trying to build 10 servers out of it that are virtual servers. You need to analyze and review, out of those 10 servers, which server needs more resource and more hard space based on your application growth. That is the key thing that I've seen. Some admins don't pay attention when they're building the package. It really depends on the factor of what tool is going to be implemented on what server. How much space and how much processor speed is it going to need?For example, the Essbase database in Hyperion needs a lot of memory and processing speed. It needs more threads to calculate the data, so for that you need to allocate as much resources as you can as compared to maybe other tools which don't need that much of resources.Planning to build your package for your client for the virtual machine on the physical server is the key thing.Disclaimer: I am a real user, and this review is based on my own experience and opinions. May 5, 2016
Rated 3 out of 5 by We can move VM’s while keeping the most important ones available. Oracle must improve their support skills and knowledge base to help clients with issues.? Valuable Features:I find the VM server features useful for moving VM’s while keeping the most important ones available.Improvements to My Organization:With Oracle VM we can deliver new infrastructure much faster by deploying from templates and cloning it after customizing.Room for Improvement:I would like to see a proper and stable client to access Oracle VM Manager. Installation documents should be improved regarding storage details and shared cluster disks.Use of Solution:I have used it for three years for many US, UK and European clients.Deployment Issues:The issues I found were related to cluster disk shared on our SAN. It was about detailed storage configurations.Stability Issues:The issues I found were related to cluster disk shared on our SAN. It was about detailed storage configurations.Scalability Issues:The issues I found were related to cluster disk shared on our SAN. It was about detailed storage configurations.Technical Support:Unfortunately, I didn’t see the same level of expertise as I see regarding Oracle Databases. Oracle must improve their support skills and knowledge base to help clients with issues.Previous Solutions:I also use VMware vSphere, but for Microsoft based solutions (Windows Servers, Sharepoint, MSSQL, etc). Oracle VM is a better choice and cheaper one when we are using Oracle Solutions.Initial Setup:The initial setup was very hard and required me to create a build doc to my company so anyone could do it again. The cluster documentation is not straightforward when we use 3rd party SAN hardware.Implementation Team:I implemented it for British and European clients using my own build document as there was not enough information for Hitachi SAN storages. I would advise you to create a proper POC and test all hardware pieces. Also, Oracle Linux is a must have on these kind of environments.Cost and Licensing Advice:Well, this is the most important factor on Oracle VM as it is a free solution to implement, and very cheap to license. If you also use Oracle VM as operating system, then all makes sense regarding pricing, support and performance.Other Advice:It still lacks a reliable Oracle VM Manager able to also report performance. Also, Oracle Support knowledge base is still growing. My advice is to have skilled people to implement it. Although it is cheap, it needs the correct skills for a proper cluster implementation and to resolve issues.Disclaimer: My company has a business relationship with this vendor other than being a customer:I implement it for our clients. May 5, 2016
Rated 4 out of 5 by Oracle VM was chosen mostly due to licensing issues and it is based on the stable KVM product of Red Hat. Valuable Features:It reduces the licensing cost for other Oracle products, and because it's based on KVM, it has no performance problems.Improvements to My Organization:We've been able to use it successfully for deployment of our online application.Room for Improvement:It needs automatic migration that's similar to VMware vMotion. The DRS feature in VMware migrates virtual machines based on the load on the hosts. Oracle VM does not have this feature, and I don't want users complaining about the performance bottleneck due to the load on the host.Use of Solution:We've been using it for three years.Deployment Issues:I deployed it within a week and didn't have any issues with it.Stability Issues:Thankfully, everything was stable in spite of my limited knowledge.Scalability Issues:We had no issues scaling it for our needs.Customer Service:The customer service was good.Previous Solutions:We also use VMware products, which I personally prefer. VMware products are an administrator's dream. They have thought of everything, including DRS, HA, templates, and virtual machine deployment. It is very easy to do all these tasks.Initial Setup:The initial setup was a bit of both straightforward and complex, but it's easy if you know VMware.Implementation Team:I carried out the implementation.Cost and Licensing Advice:It reduces the licensing cost for Oracle products, though I still prefer VMware.Other Solutions Considered:Oracle VM was chosen mostly due to licensing issues and it is based on the stable KVM product of Red Hat.Other Advice:VMware is the best, but for saving license costs for Oracle products, Oracle VM is good and stable.Disclaimer: I am a real user, and this review is based on my own experience and opinions. May 4, 2016
Rated 4 out of 5 by It supports diverse guest operating systems: Oracle Linux, Oracle Solaris, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, CentOS, and Microsoft Windows. Valuable Features:* Diverse guest operating system support: 10/10* Secure live VM migration: 8/10* Storage live VM migration: 8/10* High Availability: 10/10* Advanced management for zero extra cost: 10/10* Faster software deployment with Oracle VM templates: 10/10* Virtual Appliance support: 10/10* Rapid VM provisioning and cloning: 10/10* Full Stack management: 10/10It supports diverse guest operating systems: Oracle Linux, Oracle Solaris, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, CentOS, and Microsoft Windows.Modern, low overhead architecture based on the Xen hypervisor for leading price/performance. The Xen hypervisor has been improved and included with Oracle VM Server.Speeds application deployment with Oracle VM Templates and virtual appliancesFull Oracle VM Manager command-line interface (CLI) and Web Services API (WS-API) allow greater automation and interoperabilityAdvanced virtualization features including:* Secure live migration* Storage live migration* VM high-availability (HA)* Distributed Resource Scheduler(DRS)* Distributed Power Management(DPM)* Physical-to-Virtual (P2V) and Virtualto-Virtual (V2V) conversion* Full Stack Management with Oracle Enterprise Manager* Ready for OpenStackRoom for Improvement:The only improvement that I want to see is more flexibility in configuring and managing Oracle VM server with a CLI if there is no Oracle VM Manager. Oracle restricts you to managing the Oracle VM server via Oracle VM Manager and not through a CLI on Oracle VM Server.Use of Solution:I've been using it for three years. I've been implementing Oracle VM for x86 across various projects.Deployment Issues:If I face any issues in Oracle VM deployment, with the help of Oracle support I can solve the issue.Stability Issues:The first release of Oracle VM had issues, but now it's stable.Scalability Issues:9/10 - It offers high performance and scalability.Technical Support:You should implement Oracle Database or Oracle Application over a virtualized environment. I recommend that you implement Oracle VM for this reason, but this doesn't mean that Oracle products are not supported over VMware or Hyper-V; it is supported but not certified. It means that if there is any problem with the Database or an application over VMware, Oracle will try to simulate the error on an Oracle VM not on a VMware one. If there is no issue on Oracle VM, they will ask you to contact VMware support.It's the best support ever as you can open one SR across Oracle hardware, Oracle VM Server, Oracle Solaris or Linux, Oracle Database, and any Oracle Application.Cost and Licensing Advice:It comes with zero license cost. Unlike VMware, Oracle VM is free to download, use, and distribute. All you need to pay for is support, and support fees are affordable.As an Oracle pre-sales engineer, when you buy Oracle x86 server, the server cost includes one year support for the following items:* Oracle Solaris & Oracle Enterprise Linux* Oracle VM Server* Oracle Enterprise Manager Ops Center 12cOther Advice:We are a gold partner, and we use this product to compete with other virtualization products on the market like VMware and Hyper-V. Its features fit most of our customers.You have to be familiar with hardware and Linux. From my experience in designing and architecting Oracle solutions, most customers implement an Oracle VM environment on Oracle X86 Servers with Oracle ZS3 NAS storage or Oracle FS1-2 flash storage.Disclaimer: My company has a business relationship with this vendor other than being a customer:My company is an Oracle Gold Partner for hardware. We are specialists in hardware and systems . April 19, 2016
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