VMware offers Disaster Recovery as a Service (DRaaS) via the VMware Site Recovery DRaaS for on-premise workloads or AWS, VMware Cloud Disaster Recovery on-demand DRaaS delivered as a SaaS solution, or Cloud Provider Disaster Recovery Solutions DRaaS offerd through accredited VMware partners.
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XenServer
Score 8.2 out of 10
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XenServer (formerly Citrix Hypervisor) is a virtualization management platform optimized for application, desktop and server virtualization infrastructures.
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Pricing
VMware Site Recovery (DRaaS)
XenServer
Editions & Modules
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Offerings
Pricing Offerings
VMware Site Recovery (DRaaS)
XenServer
Free Trial
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No
Free/Freemium Version
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No
Premium Consulting/Integration Services
No
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Entry-level Setup Fee
No setup fee
No setup fee
Additional Details
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Community Pulse
VMware Site Recovery (DRaaS)
XenServer
Features
VMware Site Recovery (DRaaS)
XenServer
Server Virtualization
Comparison of Server Virtualization features of Product A and Product B
VMware Business Continuity & Disaster Recovery tools are well suited for customers who are heavily integrated with vSphere and VMs for their on-premises data centers today. VMware Cloud on AWS is great for customers who do not have DR sites and want to leverage the public cloud to build a DR site on demand quickly.
It can be really helpful & useful if we are using Citrix Hypervisor with other provisioning tools. Here are some specific scenarios where Citrix Hypervisor (formerly Citrix XenServer) is well-suited: Server Consolidation, Virtual Desktops, Disaster Recovery, Development & Testing Environments. On the other hand, there are some scenarios where Citrix Hypervisor may be less appropriate: Small-scale Deployments, Highly Heterogeneous Environments, and Limited Virtualization Requirements.
Adding or presenting additional storage to the host can often be a task that is far more involved than competitive products.
The product can require reboots more frequently than competitors due to the DOM kernel getting "hung up".
Sometimes when a virtual machine is deleted it still leaves behind orphaned vdisks.
Recovering from the loss of a host can sometimes cause virtual machines to require lengthy command prompt scripting to fix so they can be powered back on from another host.
With the knowledge and usage of solutions from VMware and Microsoft offering more compelling cloud integrated options it makes it more compelling in many environments which I consult. XenServer is a good product and fits the bill in many smaller environments but as clients look to the cloud or a hybrid cloud it can in some cases make it a bit more difficult.
XenServer is a good product in its use and probably free if you have the right Citrix licenses already. However, it does require specific knowledge to manage, which makes it harder to manage if you don't have that knowledge in house.
It's been a little problematic in the past at larger VDI deployments requiring a bit more care and feeding than other vendors. But the latest releases (6.5.x) have brought about huge improvements in the stability and availability.
VMware support is typically outstanding, of course, they have multiple departments, and you need to work with the specific teams to get advanced support for things specific to VMware Business Continuity & Disaster Recovery. In contrast, other companies that deal directly with that technology may be more responsive to those specifics. Typically VMware is excellent and helpful in critical outages. For smaller to medium issues, it can take some time to get addressed appropriately.
The staff I've worked with are very knowledgeable or able to get a very well articulated and capable support team member on the phone or helping them if necessary and they always want to ensure the best experience possible for you on the platform. The ability for the support team to reach out to hardware vendors for assistance is a nice plus too.
Part of a training for certification to become a trainer for Citrix included an in-person training with a Master CCI. The XenServer training at this time was pretty simplified due to the product primarily being installed however you did have to work with it and mildly configure the system.
Haven't given it a real go with any online training however there are some options out there. I have taught a course following Citrix material for XenDesktop which leverages XenServer and it is pre-built so not the best for XenServer specifically for installation but configuration is mildly touched on
Ensure you review the HCL (hardware compatibility list) and reach out to the hardware vendors to ensure they support the platform and in case they have documentation that can be followed for the implementation. Also ensure the prerequisites are completed prior to implementation so that as few unexpected delays occur as you can control.
VMware is software and typically hardware agnostic, this does require extra design and consideration versus putting in backup appliances. Some other solutions are a software as well and can be layered on top of vSphere to enhance existing environments. We need to weigh the benefits of licensing versus software costs and the management cost of having multiple tools.
Feature for feature they are neck and neck. I have used Hyper-V 2012 and 2016, VMware ESXi and XenServer evenly. XenServer is a fast install, good documentation, with enterprise features out the box that compare or exceed what VMWare offered with a higher cost of entry.
The servers latest versions have made massive improvements to scalability. But from past experience there have been issues when running workloads for extended periods of time without reboot on the hosts. I would need to run similar workloads on the 6.5 release which has changed much of the bottlenecks or issues so I'd imagine its far more capable now, Perhaps able to stand near the best in the market.
Xenserver is easy to learn. We paid for support only for installation and deployment in the first three years, and now our team has the knowledge to solve most problems.
Low CAPEX if you have a team that uses open source software day by day.
But paid support is necessary to solve critical problems. The open source community is not enough. Actually, we have difficulty solving some bugs without paying for support.
Medium OPEX if you have a team that uses open source software day by day.
