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it_user2652 - PeerSpot reviewer
Project Manager at a non-tech company with 10,001+ employees
Vendor
Top 20
Highly recommended virtualization product for mid/large sized organizations

ESXi is highly recommend for virtualization these days for mid/large sized organizations due to its increased reliabilty and lot of other features.

Pros:- -

1. VMWare ESXi is virtualization product that allows us to partition a single physical server into multiple virtual machines. 

2. VMWare ESXi hosts can be with Windows, Solaris, Linux and Netware, any or all of which can be used concurrently on the same hardware. 

3. VMWare ESXi has been proved as leader in cloud enterprise class solutions. 

4. VMWare ESXi takes virtualization higher and deeper with rich storage automation and more advanced virtual networking tools. 

5. VMWare ESXi allows dynamically to modify cpu, memory, disk and network configurations. 

6. VMWare ESXi hosts can be accessed using vsphere client as well as in browser. 

7. VMWare ESXi is good for production applications as well as for testing environment. 

8. 24*7 support is available from VMWare for all kinds of support issues. 

9. VMWare ESXi supports advanced features like state capture, live migration, high availability, dynamic resources etc.

Cons:- 

1. License cost is little expensive. 

2. Free version allows server memory upto 32GB.

Alternate Vendors: 

Oracle VM, Hyper-V, AWS !!

Disclosure: I am a real user, and this review is based on my own experience and opinions.
PeerSpot user
it_user2652 - PeerSpot reviewer
it_user2652Project Manager at a non-tech company with 10,001+ employees
Top 20Vendor

That's correct. These days open source programs are more popular and they also provides features similar to paid products.

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it_user2652 - PeerSpot reviewer
Project Manager at a non-tech company with 10,001+ employees
Vendor
Top 20
Reliable vitrualization software for implementing virtual servers

VMWare server is freeware server and provides very good environment for testing. It is used to be one of the good product, but now it has come to EOL.

Pros:- 

1. VMWare server is cost saving virtualization product that allows us to partition a single physical server into multiple virtual machines. 

2. VMWare server works with Windows, Solaris, Linux and Netware, any or all of which can be used concurrently on the same hardware. 

3. VMWare server takes virtualization higher and deeper with rich storage automation and more advanced virtual networking tools 

4. VMWare server allows dynamically to modify cpu, memory, disk and network configurations. 

5. VMWare server provides web management console for easier management. 

6. VMWare server is normally implemented in staging environment before implementing in production environment. 

7. VMWare supports advanced features like two processor SMP systems, state capture, live migration, high availability, dynamic resources etc.

Cons:- 

1. The support and updates for VMWare server are no longer available. You need to rely on google. 

2. VMWare server does not fully control the scheduling of hardware resources because the complete control falls into the underlying operating system. 

3. OS needs to be installed separately before installing VMware. 

4. GUI is not much attactive & not of much high quality.

Alternate Vendor:- Oracle Virtual Box !!


Disclosure: I am a real user, and this review is based on my own experience and opinions.
PeerSpot user
it_user312567 - PeerSpot reviewer
it_user312567Senior Specialist at a tech services company with 10,001+ employees
Real User

Kindly give a good looking GUI for VMware products

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Buyer's Guide
VMware vSphere
January 2025
Learn what your peers think about VMware vSphere. Get advice and tips from experienced pros sharing their opinions. Updated: January 2025.
837,501 professionals have used our research since 2012.
it_user321048 - PeerSpot reviewer
Sr. IT Technical Engineer & Solutions Architect at a hospitality company with 1,001-5,000 employees
Video Review
Real User
It gives us simplicity of deployments, speed-to-market with our application portfolios, and gives our developers quick provisioning or stand-up with no hand-holding.

What is most valuable?

The self-service portal, number one, the ease of deployments, the ability track and monitor how quickly you can provision a virtual machine guest, and the Chargeback model affiliated with that.

How has it helped my organization?

The simplicity of deployments, the speed to market with our application portfolios, the ability to give our developers the ability to quickly provision or stand up in an environment without having somebody to hold their hand.

What needs improvement?

Some of the features I would like to see, future enhancements of the vSphere product which starts with Virtual Center. The ability to manage more than a single host because right now, they're a challenge, because we have so many deployments, we can only manage one Virtual Center per one VMware host box. That's a limitation of the product. We would love to be able to see, we have various locations scattered throughout the US and international. We would love to see Virtual Center being able to manage more than one host at a single location because right now, we're challenging with having to login to Virtual Center at each location, instead of a single pane where the Oracle exist under one Virtual Center, our motto.

For how long have I used the solution?

We currently use the vSphere EXSi along with their vCAC products. We are currently evaluating their vRealize products and we are also evaluating the vCloud Air.

What do I think about the stability of the solution?

Some of the advantages of the stability of their product is how robust VMware is, in a sense. The ability to scale on a fly. Without having to touch the system, you can literally increase the compute resources on the fly. I mean, we've been running their products since 2002. I have not had any major issues or outages since, and we've deployed this solution globally.

What do I think about the scalability of the solution?

In my impressions of some of the capabilities and scalability of the vSphere products, it allows you to, without having to invest in a large hardware portfolio, it gives you the opportunity to scale on the fly through consolidation efforts.

Which solution did I use previously and why did I switch?

We were challenged a couple of years, several years back with figuring out ways to cut cost and save money through ingenuity and automation and innovation, and this is one of the tools that was recently released in the early 2006. That's when VMware, I want to really feel like they really ironed out their niche and made this product usable and feasible for our infrastructure. By doing so, we saved a ton of money.

How was the initial setup?

The efforts required to set up vSphere is extremely simplistic. In our market, we have a large turnover from time to time, so it's easy to train and educate those on setting up the vSphere products from the ground up. It's very simplified. The installations are very easy.

What about the implementation team?

Typically, what we do is the installations are done by our own premise resources with little or no experience, so that goes to show you how easy and simplistic the product is to install and or to manage overtime.

Which other solutions did I evaluate?

There were other competitors out there that we've evaluated that just fell short of this implementation because of their feature set or some of their security vulnerability.

What other advice do I have?

I have not tested Virtual Volumes. That's why I'm here, to learn more about the Virtual Volumes feature along with the NSX platform. I'm excited about it because we have a huge SAN infrastructure where we would like to be able to move workloads from point A to point B and I think that's a good starting point.

I've seen a lot of hypervisors out there, but 10, hands down, in the market.

If I were to recommend this particular product to some of my peers or co-workers or somebody else in another industry, I would clearly state the reliability, the stability, and the ease of use, is which they would fall in love with and they're always innovative. I mean, that's what we love. Every year, we come back to the conference and you learn something new. There's always some good takeaways.

Typically, I would like to hear from the source. I always find myself as an IT technical resource. I tend to like to talk to the people that's actually doing the work and I like to read some of the guys that have the hands-on experience. I don't go out and read a bunch of documents or books per se. I like to engage with the resources that have actually deployed, implement it, because those are your viable resources that have the hands-on experience.


Disclosure: I am a real user, and this review is based on my own experience and opinions.
PeerSpot user
it_user312804 - PeerSpot reviewer
Senior System Analyst at a hospitality company with 1,001-5,000 employees
Vendor
WAN management has some stability issues, but it has given us a substantial increase in server density.

What is most valuable?

  • Virtualization
  • Clustering
  • High Availability
  • All the core functionalities

How has it helped my organization?

Allows for substantial increase in server density, reduced spin up times, allows for more remote site management. Recoverability in a server crash situation is substantially improved as well.

What needs improvement?

User interface and management. The ability to manage the underlying infrastructure is very poorly thought out and implemented. They moved from a C client to a web interface, but still require critical functions to use the client.

For how long have I used the solution?

I've been using it for seven years, since it was ESX v3.5.

What do I think about the stability of the solution?

WAN management of sites has some intermittent stability issues.

How are customer service and technical support?

I would rate it fairly high, as much as I complain about the changes their back end team make, their front end support, and sales guys are very communicative.

Which solution did I use previously and why did I switch?

We used Microsoft Virtual Server before ESX3.5 was released. We switched because it was not an enterprise grade option.

How was the initial setup?

The setup for the current datacenter was complex, not because of VMware but because of the hosting limitations provided.

What about the implementation team?

We had it initially set up by a vendor team, and I spent four months afterwards fixing their work. I would advise that you verify in advance the skills and knowledge of the implementors.

What was our ROI?

No attempt to calculate ROI has been made on the current environment.

What's my experience with pricing, setup cost, and licensing?

I am attempting to build an environment around ROBO licensing, which I would advise anyone who has remote offices to investigate. It should cut our costs bytwo-thirds when I am finished.

Which other solutions did I evaluate?

No evaluation was done.

Disclosure: I am a real user, and this review is based on my own experience and opinions.
PeerSpot user
it_user236505 - PeerSpot reviewer
it_user236505IT Director with 51-200 employees
Vendor

The Web Interface has been really improved in vSphere 6.0 and has become usable.

PeerSpot user
Senior Systems Engineer with 51-200 employees
MSP
We have 750 machines and 50 ESXi hosts that are all consolidated, sharing memory and computing.

Valuable Features

  • Virtualizing everything
  • HA
  • DRS

Improvements to My Organization

When I came, it was already being used, but it helps with consolidation of our 750 machines. We have 50 ESXi hosts, and they’re all consolidated, being able to share memory, computing.

As a partner we have VSPP (VMware Service Provider Program in which we pay per memory usage).

Room for Improvement

The web client needs to be moved from flash-based to HTML5. I would like an app as well for remote access.

Stability Issues

I've had hardly any issues. The ESXi host can stay up and running, and the hardware compatibility is very good, and we're moving towards a virtual appliance (vCenter).

Scalability Issues

It's easy to scale.

Customer Service and Technical Support

I rarely contast them as I had a terrible experience. The made me take down all the linked nodes, and I need to escalate if I want resolutions.

Initial Setup

It's extremely easy, and you can set it up in less than a day. We do nesting virtualizitions and labs all the time.

Other Solutions Considered

Go ahead and buy it. I always go with VMware.

Disclosure: I am a real user, and this review is based on my own experience and opinions.
PeerSpot user
it_user320502 - PeerSpot reviewer
Asst. manager System Operations with 1,001-5,000 employees
Real User
Along with the features of clustering and High Availability, it's also reduced our total cost of ownership and operational time.

What is most valuable?

The clustering and High Availability features are very useful and valuable.

How has it helped my organization?

After implementing VMware alongside some HP solutions, the total ownership cost was reduced significantly, and operational time was also reduced, which resulted in increased productivity and efficiency.

What needs improvement?

Management features for multi-vendor products for complex environment need work.

For how long have I used the solution?

I have six years of core experience in design and configuring VMware solutions.

What was my experience with deployment of the solution?

No issues encountered.

What do I think about the stability of the solution?

No issues encountered.

What do I think about the scalability of the solution?

No issues encountered.

How are customer service and technical support?

Customer Service:

9/10.

Technical Support:

9/10.

Which solution did I use previously and why did I switch?

We started virtualization with Microsoft Hyper-V v2, but VMware products are more stable and scalable.

How was the initial setup?

It's straightforward.

What about the implementation team?

The first implementation was done by a vendor team, and after that we completed three upgrade project cycles in house.

What's my experience with pricing, setup cost, and licensing?

The cost of licensing is bit on the high side.

Which other solutions did I evaluate?

We also looked at Microsoft Hyper-V v2.

Disclosure: I am a real user, and this review is based on my own experience and opinions.
PeerSpot user
PeerSpot user
System Administrator at a cloud solution provider with 51-200 employees
Vendor
We were able to transition from 20-25 physical servers on three to four racks to 500 VM's on 16 physical servers.

What is most valuable?

The ability to handle an entire virtual data center, keep costs under control, and move the workload without having a business impact.

How has it helped my organization?

Before virtualization, my company had 20-25 physical server, with one or more services each. These servers were placed in three to four racks.

Now we handle 500 servers (VM's) in half a rack, meaning only 16 physical servers. This solution improves cost, manageability, and growth.

What needs improvement?

The product is very mature and stable, but vCenter web interface response could be improved.

For how long have I used the solution?

I've used it for 10 years.

What was my experience with deployment of the solution?

Yes, but by support, we found the solution, a hardware driver for HBA component.

What do I think about the stability of the solution?

No issues encountered.

What do I think about the scalability of the solution?

No issues encountered.

How are customer service and technical support?

Customer Service:

I've only used them a few times, but they've always answered my queries very well.

Technical Support:

It's very high.

Which solution did I use previously and why did I switch?

We used Xen and KVM, and we switched for the lack of manageability, stability, scalability.

How was the initial setup?

Setup is light work, but many components must be configured with vSphere documentation by hand.

What about the implementation team?

I implemented it in-house.

What was our ROI?

For every Euro we sold in infrastructure, we gained five to seven Euros in services, because we have less operation costs, a good time to market, and more infrastructure agility.

What's my experience with pricing, setup cost, and licensing?

The price can be very high, but in the case of a service provider with a VSPP program, you can offer the top class vSphere features for two to three sold VM. If you plan a little deployment I suggest bundle kits (Essential and Essential plus).

Which other solutions did I evaluate?

Yes, KVM and Xen (both opensource), and although they have no upfront costs, these are countered by very high operative costs.

What other advice do I have?

First try this product, evaluate the infrastructure sustainability, and purchase the correct license that fits your needs.

Disclosure: I am a real user, and this review is based on my own experience and opinions.
PeerSpot user
PeerSpot user
Senior Manager of Network at a tech company with 51-200 employees
Vendor
I have tried XenServer, Hyper V, & KVM...but ESXi has been doing it better for longer

What is most valuable?

You can get it downloaded and installed for free. It allows you to do more with less. It's easy to use and simple to configure. There are hardware vendor specific builds of the software, increasing visibility and manageability of the product.

How has it helped my organization?

We have less physical servers to monitor and put under warranty.

For how long have I used the solution?

10 plus years in various forms as GSX, ESX and now ESXi.

What was my experience with deployment of the solution?

Deployment options are varied with ESXi, so depending on what you're trying to achieve within your business.

What do I think about the stability of the solution?

Due to the multitude of configuration options, you can occasionally experience compatibility issues with 3rd party storage vendors such as NetApp which recently had a known issue with NFS reporting all ports down.

What do I think about the scalability of the solution?

Never encountered any scalability issues with this product. It is truly enterprise.

How are customer service and technical support?

Customer Service: Good to excellent.Technical Support: Good to Excellent depending on what engineer is assigned to you.

Which solution did I use previously and why did I switch?

I have tried other hypervisor technologies including XenServer, Hyper V, KVM, Parallels and virtual box. They all do the same thing, but ESXi has been doing it better for longer.

How was the initial setup?

Exceedingly simple setup. You can make it more complex depending how truly enterprise your needs are, like stateless implementations of ESXi.

What was our ROI?

Reduced Electricity Bills, reduced hardware and warranty costs. Reduced server implementation time. Increased management and availability of corporate services.

Which other solutions did I evaluate?

Not on this occasion but I have assessed other hypervisors.

What other advice do I have?

Assess why you think virtualisation is the answer to your problem. Research hypervisor choices, perform Proof of Concept exercises with those products you choose to assess and most of all think about the legacy of what you're doing. i.e. what do you want to leave behind?
Disclosure: I am a real user, and this review is based on my own experience and opinions.
PeerSpot user
it_user133545 - PeerSpot reviewer
it_user133545Works at a tech services company
Consultant

There will be no performance issues as long as you run the correct no of vm that is supported by the hardware.
Here is a simple calculation to find out the no of vm you can run on your hardware.
A Hard disk with
7,200 rpm - 100 iops
10,000 rpm-150 iops
15,000 rpm- 200 iops
For Example : You have 9 Hard disks configured in Raid ,Count the no of hard disks that contribute to the storage.
In this case all 9 hard disks contribute to the storage.And the hard disk has a 10,000 rpm speed so the no of iops is 150
Hard disk*no of iops=Total no of iops
9*150= 1350
if we would like to run 40 virtual machines
1350/40 = 33.75 each vm would get around 33 iops which would give you no performance issues.
Instead you chose to run 50 vm
1350/50 = 27 each vm would get around 27 iops which would cause performance issues.

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Buyer's Guide
Download our free VMware vSphere Report and get advice and tips from experienced pros sharing their opinions.
Updated: January 2025
Buyer's Guide
Download our free VMware vSphere Report and get advice and tips from experienced pros sharing their opinions.