VMware vSphere Scalability

Bunmi Sadiq
‎IT Supervisor at a maritime company with 201-500 employees
VMware vSphere is a very scalable solution. The only thing is if you are to upgrade, i.e. from ESXi 6.0 to 6.7, you might not be able to use your older servers. I believe VMware will not support these after ESXi 7.0. For newer servers, VMware is scalable. We can always use it at least. The only issue I may have is we may not be able to use our older servers with the newer versions of VMware ESXi. In-house users number about 110 to 115. We have customers that login into our servers. We have web applications that customers log into from outside. Around 2000 to 5000 customers use our vSphere installation per day. We have billing people that are working there with our customers. We have operation people that are in the field that are using various equipment that is connected via wifi to our systems. Then we use the VMware network to carry our own operations and activities. We have customer service people that attend to customer inquiries, to try to resolve customer issues, but are still logged into the same application. There are various roles from read-only customers that want to pick one information or the other about their product on our sites. They don't actually update anything except they want to transact business with us. We use vSphere to help the users as well as to manage users that need information regarding a particular product or report. Users generate various reports from our SaaS/PaaS applications. The staff we currently have are about five in IT. We have the manager, we have infrastructure persons that consist of system and network. We also have a database specialist that manages our applications. Our database specialists also serve as the developers for the application support. We have user support teams. The various support people that we have dedicated for the maintenance of the VMware vSphere deployment is about five in total. We should still be able to support our users, at least, for the next five years. After five years, we may now be thinking of upgrading the infrastructure. This solution is being used every day, i.e. 24/7/365 days a year. We believe that there's been increased usage, but we just implemented it last year. From our plan, we know that at least for the next five years we may not upgrade. View full review »
DatacenterVirtualizeJunky
Senior Systems Analyst at Manufacturing Organization
We're able to scale with density. I think that's the most important part. The clusters are allowed to go to so many nodes. We don't even touch the number of nodes per cluster. We traditionally have multiple fault zones in the data center, really for a comfort level, not because of a technological level. I know we could push the equipment a little bit harder but we generally like to keep things in a comfort zone that is constantly moving northward. So scalability is limitless and we have not really touched the capabilities yet, but we know the capabilities are there when we are ready to use them. View full review »
Brandon Morris
System Administrator at City of Sioux Falls
For our environment, the scalability has been great. I've been with the city for about three-and-a-half years. We had about 100 VMs at that time, and now our account is well over 500 and the solution has simply grown to fit that need. View full review »
David Grimes
VP of Product Engineering at Navisite
Scalability on vSphere has always been important for us, because of the scale at which we operate. We had a client, who maxed out under the VMware 5 limit of 32 hosts per cluster. So, it has been great to see the continued improvements in scalability. At the VM level, the limits are no longer practical impediments. Now, at the VMware cluster level, we're also seeing sizes which can operate pretty much any large client environment. View full review »
Kevin Williams
IT Analyst I at Sacramento City College
So far, we've really enjoyed the scalability of it. The main thing that we have to accommodate for is licensing, making sure that we have enough license to cover our expansion. Otherwise, we just throw a few more hard drives into our server array and make sure that we have enough storage. View full review »
Michael Huset
Senior Systems Administrator at a transportation company with 1,001-5,000 employees
I can always go horizontal, vertical is a little problematic sometimes. Horizontally, being able to add storage on the fly - even hot ad-hoc remove, if we do have some higher workloads or the like - we can always scale that without re-booting, with the newer operating systems. So the scalability portion is always on key. View full review »
Preston Lasebikan
Lead Systems Engineer at a tech services company with 11-50 employees
As far as scalability goes for us, I've run it as far as having up to 100 hosts in the cluster and I haven't noticed any degradation. It's been running well. View full review »
Eric Garrison
Customer Engineer at ATTO Technology
Scalability is awesome because, for us, we do a lot of pods. We create pods and nodes and small clusters to do some of our R&D products. The ability to bring them up very quickly, very easily, without adding lots and lots of additional hardware, and without taking excessive amounts of time, and then tear them down, but just shove them on the back burner in case we ever need to come back to it - that for us is one of the biggest features that we could ever have. View full review »
NetworkAa4a7
Network Administrator with 5,001-10,000 employees
As long as you got the ESXi hosts with the resources necessary, scalability isn't a big problem. We don't really lock down a lot of our clients which are still within our organization. We don't really limit the resources. If it becomes an issue we'll look at that, but for the most part, it hasn't been a problem. If we look like we're getting a little tight on resources, then we look at getting and setting up a new ESXi host. View full review »
Infrastr7d14
Infrastructure with 5,001-10,000 employees
We have grown our environment, introduced new hosts, taken old hosts out. We have some 1,500 VMs running inside of all of our environments now and that has been a slow growth. I don't know how long it took us to get there, but we've grown to that level and it's never once given us a problem. From the interface, you see how much CPU utilization and RAM utilization that each one of those hosts is giving you. You can tell ahead of time when you need to start expanding the environment. And with VMotion, you expand the environment and then let DRS have at it and walk away. View full review »
SeniorSyb3f0
Senior Systems Administrator at a consultancy with 5,001-10,000 employees
Scalability has been the goal all along here, to be able to meet in the middle of the scalability, horizontally and vertically. We have over 10,000 users. View full review »
Reviewer3064
Head - Server and Storage at a financial services firm with 1,001-5,000 employees
Its highly scalable, we have never had to make radical changes to the design to make it more, or to put in more capacity. So, as we are growing we have been adding the servers into the existing pool without even worrying about a need for redesign. As we grow, we find that our company is more dependent upon this product. View full review »
SeniorMa0f8b
Senior Manager at a manufacturing company with 501-1,000 employees
It is easy to scale and obtain as much power as we need. It is easy to provision and join it to the cluster. We haven't had any issues or limitations. View full review »
Brian Kirsch
Instructor at MATC
I have no issues with scalability. As large as we have wanted to go with as many VMs, we have never had an issue pushing its limits. The majority of the issues are truly integrating it into the Active Directory structures. This doesn't seem to be there yet. View full review »
Raden Evangelista
Systems Engineerineering Manager at a wholesaler/distributor with 51-200 employees
It is very scalable. Soon as I switched to a vSphere environment, ESXi, and vCenter, I was able to buy hardware and add it in. I just had to buy another license, since the infrastructure is there. It takes me a short amount of time to add something that benefits everybody. It scales vertically. In terms of horizonal scaling, it depends on what the requirements are for it. View full review »
Robert Cox
Systems Engineer at Vestmark inc
The scalability has been good, as far as the vSphere and vCenter go. We've had to add more hardware, but it's scaled pretty well. We haven't really had any issues with it. View full review »
Christie Brinker
Chief Technology Officer at Keeforce
Scalability is really great. Being able to have a customer who decides, maybe a year after they've purchased their hardware, that they need to add another server because maybe they've decided to purchase a new product - being able to scale that system out really helps a lot. View full review »
Ganesh Sekarbabu
Windows Virtualization Engineer at a tech vendor with 5,001-10,000 employees
Since we have an internal cloud, suddenly people may require 1000 or 2000 VMS in something. We have options to analyze and make sure we have enough scalability. We have some issues but so far it has been good. View full review »
Tony Reeves
Network Administrator
Scalability works pretty well. You can start out at a couple of hosts, based on your business needs, your budget. That's probably the base recommendation I would start out at for having some of the DRS and HA failover capabilities. But if your business grows, you can easily add a host and a cluster and expand your capabilities on storage and compute. If you're running vSAN, you can run on the storage side, too. View full review »
Rene Van Den Beden
Chief Architect at RoundTower Technologies
It scales very well. Now, with vSphere 6.7, it's 128 hosts. Talk about scale with vSphere is now a non-issue. Typically what we do with our customers is deploy vSan clusters, typically 20 to 30 hosts, because that's a natural failure domain. Going beyond that, it really makes no sense, because you want to have separate failure domains. View full review »
Jason Hong-Turney
Lead IT Systems Engineer at a tech consulting company with 10,001+ employees
Being that it's reduced our resource footprint, I think its very scalable. View full review »
ITAnalysac7f
IT Analyst at a manufacturing company with 10,001+ employees
It can scale linearly. At some locations though, we are using HPE SimpliVity to scale. View full review »
Sajag Chaturvedi
IT Infrastructure Architect at a retailer
We are using it on a big scale. vSphere is one of the biggest product of VMware, and we have around five vCenters with around 80 hosts. Scalability is one of the best things about vSphere. You don't need to change your design if you have a new demand for workloads or if a new product is coming in. Thus, the scalability feature is awesome. View full review »
Rob Pease
IT Director at Jewish Family Service
The scalability is insane. It's great. View full review »
Allan Trambouze
Senior Consultant at Cofomo
The scalability is very impressive. As usual, VMware is able to scale out and up all their solutions. View full review »
Stephen Parker
Systems Engineer at BYU Idaho
So far, we haven't had any issues at all with scalability. We've got over 1,500 VMs, about 84 hosts right now, so it's been very scalable for us. View full review »
Sean Crawford
Information Systems Analyst at Sandag
Scalability for vSphere 6.7 has been a major enhancement compared to 6.5. That is because of the technical features they've added that allow you to scale further away from your primary data center, such as vMotion over long distance, etc. It's made things better for us. View full review »
Trevor Napier
System Administrator at a energy/utilities company with 1,001-5,000 employees
I can build out hundreds of hosts, but my environment's not that big. It is not as big as most of the larger companies out there, so I've not hit a bottleneck yet in terms of scalability. View full review »
Carlos Filipe Quintas
Solutions Architect at a tech services company with 10,001+ employees
This is one of the strongest points in vSphere. I've had no problems with scalability. Although it is dependant on the underlying hardware infrastructure and its scalability/growth/space/etc. View full review »
DesktopS0c59
Desktop Support Supervisor at a financial services firm with 201-500 employees
It's highly scalable. We've grown, we've doubled our size, and it has been easily scalable for us: slide in a new host and then attach the host to the vSphere client and then push the profile out. It makes it really easy. View full review »
MichaelScherrer
Senior Architect at a retailer with 1,001-5,000 employees
It's scalable. It's comparable to other similar products. View full review »
John_Jones
Systems Administrator at a energy/utilities company with 51-200 employees
The product is very scalable. Since it is a virtualized environment where all the compute rides, it doesn't care about what is riding under it. Therefore, you can expand or shrink it as much as you want. View full review »
ITInfras287c
IT Infrastructure Architect at a transportation company with 1,001-5,000 employees
The scalability is also fantastic. We're able to add resources so that we can grow our clusters and provide more resources to our organization and to our business units. We're able to grow our application sets when required. View full review »
Stephen Krujelskis
Senior System Administrator at a university with 501-1,000 employees
Scalability is great. It's easy to scale. View full review »
Mikael Korsgaard Jensen
Sr. Operations Engineer at Kamstrup
The scalability of vSphere, for my company, is perfect. It easily fits in, but we are way ahead of what is the theoretical limit. View full review »
Director8504
Director at a financial services firm with 501-1,000 employees
Scalability is the big advantage of it. The product itself allows us to scale on the fly as we need it, and plan for the future. View full review »
BrianGibson
Senior Network Engineer at a tech services company with 201-500 employees
It's been very much scalable. When we started using it, we only virtualized a handful of servers. We've since expanded it to virtualize about 90% of our infrastructure at this point. View full review »
Chris Childerhose
Solutions Engineer at ThinkON
There are no scalability issues other than purchasing additional licensing when adding hosts or scaling up/out. View full review »
Valeriu Iordachi
Deputy Director at a government with 501-1,000 employees
We encountered no issues with scalability. View full review »
Blake Grover
System Admin with 1,001-5,000 employees
I assume it scales really well. We tested it on a few VMs at the beginning and we've rolled it out to a lot of hosts and everything has been working great. View full review »
Raffaello Poltronieri
Cloud Solutions Architect at a comms service provider with 201-500 employees
vSphere is much more simple to scale than before, thanks to vCSA instead of the monolithic installation on VMware. View full review »
CIO9dd5
CIO at a library with 201-500 employees
We're not a very big shop, so it's not really appropriate for me to answer this question. View full review »
SystemsAe086
Systems Administrator at a pharma/biotech company with 51-200 employees
We have a pretty static environment but, for our needs, it has been very good. View full review »
Luis Gomez
Server Engineer at a financial services firm with 201-500 employees
It's really simple to scale. Just add another server, add it to the cluster and, bingo bango, you're done. View full review »
DpsaIii8dbb
DPSA III at a government with 5,001-10,000 employees
We didn't have any real issues with scalability. Anytime we need more storage or computing power it is relatively easy to just add another drive or physical server to the clusters. View full review »
Tom Pine
Lead Administrator at Comcast
It is easy to add stuff to the product. View full review »
Muhammad Tanvir Ashraf
System and Network Administrator at Gulf Precast Concrete Co. LLC
I cannot make a prediction about the scalability, but I can tell you that we have close to five hundred users at this time. We must keep up with technology so we do plan on expanding the use of this solution. View full review »
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delete at a tech vendor with 501-1,000 employees
For us, the scalability is good. We haven't hit any limitations. View full review »
Luis Arencibia
IT Operations Services Manager at a energy/utilities company with 10,001+ employees
We scale it both vertically and hortizonally. We have many data centers on it. View full review »
it_user515508
User at a energy/utilities company with 501-1,000 employees
Not yet. As long as i have the infrastructure, the system works like magic. I can add hardware and servers as i want. View full review »
NetworkA3fbb
Network Administrator at a mining and metals company with 201-500 employees
It's very scalable. You can add different components to it. Moving into the future, as we do different things, we'll be able to stay with VMware. View full review »
ReviewerH635
Network Architect at a tech company with 10,001+ employees
It is highly scalable. We need to scale out and up, and we can do that with vSphere. We can easily add more storage, drives, or memory. View full review »
ProjectLeader892
Project Leader at a tech services company with 501-1,000 employees
Only with big VMs -- over 64 GB of RAM or with disks over 2 TB -- are there scalability issues. View full review »
Ajay Dand
Founder Director at a tech services company with 11-50 employees
The scalability is excellent. I do not see any other solution that comes close to this product. View full review »
ITProfes763a
IT Professional with 5,001-10,000 employees
From my point of view, it scales really well; in terms of storage, I don't know. View full review »
Researcher952
Researcher and Professor at a university with 1,001-5,000 employees
No, not with dedicated servers. Yes with ephemeral servers- hundreds of PCs that we like to use as ESXi hosts at night for executing virtual machines focused on computing simulations. View full review »
it_user321198
Cloud Automation and Integration Focal at a tech consulting company with 1,001-5,000 employees
It's got excellent scalability. There are no applications that can’t be virtualized now. View full review »
SystemAd3999
System Administrator at a energy/utilities company with 10,001+ employees
It's a scalable solution. We went from 200 test devices to 11,000 devices in three weeks, without any issues. View full review »
Daniel Pietrasanta
IT Systems Engineer at a retailer with 10,001+ employees
It's simple to scale and the upgrades are pretty simple as well. The upgrades were straightforward. We just installed a new HPC and GN and we deployed everything in there. However, I prefer to erase completely and reinstall, from the top. View full review »
ITInfras39c9
IT Infrastructure Team Lead / Project Lead IT at a mining and metals company with 1,001-5,000 employees
The software has been scalable, most of it depends on the physcial server's capacity. View full review »
Keith Luken
Manager - System Engineering and Storage at a construction company with 1,001-5,000 employees
SRM has been a disappointment in its scalability and reliability. View full review »
Mike Yocum
IT Systems Administrator II at a manufacturing company with 1,001-5,000 employees
No issues encountered. View full review »
Chris Ramos
Technical Education Manager at a tech services company with 11-50 employees
We did not have any scalability issues. View full review »
Josh Abercrombie
IT Infrastructure Engineer at a retailer with 10,001+ employees
It's scalable. View full review »
WindowsSbd99
Windows Systems Administrator with 1,001-5,000 employees
We haven't had any scalability issues yet. I don't foresee us having that issue. We're small enough that, if there is a case where it wouldn't scale, it's not going to be discovered by us. View full review »
ReviewerU8183
Principal Consultant at a tech consulting company with 1-10 employees
I would rate the scalabilty as an eight out of ten. View full review »
LuisFernando Fuentes Lopez
Infrastracture Administrator at a energy/utilities company with 501-1,000 employees
It is very easy to go up with servers and licensing. View full review »
SystemD51791
System Developer/Engineer with 51-200 employees
Scalability depends on the infrastructure. The software can handle a heavy load. View full review »
reviewer274092
Vice President with 1-10 employees
The scalability of the solution is good. You can scale up to maximum levels. We currently have 2000 users. This requires four engineers to run the deployment and maintenance of the solution. View full review »
Svein Johansen
Professional ICT at a non-tech company with 11-50 employees
The scalability is also very good. View full review »
C7843E
Technical Support at a energy/utilities company with 5,001-10,000 employees
It is very scalable. We like that it is very functional and it has ability to access hyper-conversions. There is a capacity to grow the environment by adding the same type of equipment, and that really interests us. View full review »
Sandy Aitken
VP Cloud Business at a tech services company with 10,001+ employees
I have not scaled it very high. I have only used it in small implementations. I only have a total of 190 people using the solution. View full review »
ITManageb049
IT Manager at a construction company with 51-200 employees
Scalability is great. View full review »
it_user499017
Lead System Architect at a tech company with 1,001-5,000 employees
There are no scalability issues. View full review »
Carlos Rodriguez
Pre-sales engineer
It is highly scalable. We can add new hardware and expand the infrastructure easily. View full review »
Bobby Shirley
Desktop Support Specialist at Bank Independent
It is scalable. View full review »
Muljo Witono
CEO and Owner with 51-200 employees
The scalability needs improvement. View full review »

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