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SysAdmin827e - PeerSpot reviewer
Sys Admin II at a retailer
Real User
Being able to do maintenance on the fly is a key benefit for us
Pros and Cons
  • "The most valuable feature is that it is software-defined storage. Also, being able to do maintenance on the fly is a real benefit: migrating off, updating, and then moving the guest back on to the nodes."
  • "It needs to be vanilla. There shouldn't be any custom drivers, any custom anything. It should just be, "Hey, you know what? These drivers are going to work for this version, the next version, and the following version after that." That's the difficulty in this. It takes too much upkeep... The main issue is drivers. Every time we move to a new vSAN version, we're having problems finding the correct drivers for the vendor."

What is our primary use case?

We use if for our primary infrastructure. In terms of performance, vSAN is fine.

How has it helped my organization?

Being able to do maintenance on the fly is a real benefit: migrating off, updating, and then moving the guest back on to the nodes.

What is most valuable?

Software-defined storage.

What needs improvement?

Everything that has been mentioned as part of Update 1 solves part of the HCL list issue. They're handling the firmware version but, at the moment, they're only handling the storage IO. They're not handling the rest, which would be firmware, the BIOS, the fNIC, and so forth. After speaking with them, they said they're looking at that for a future update.

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VMware vSAN
June 2025
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What do I think about the stability of the solution?

Because of the vendor, we are very neutral on the stability at this moment. The main issue is drivers. Every time we move to a new vSAN version, we're having problems finding the correct drivers for the vendor.

What do I think about the scalability of the solution?

The scalability is fine. Adding new nodes is very simple.

How are customer service and support?

Our experience with technical support has been excellent. Every single time we've had an issue so far, they've been able to find the issue with the vendor.

What was our ROI?

Because of the time that we've had to spend dealing with the vendor, we haven't seen a return on investment yet.

What other advice do I have?

Go with the full managed support, something like VxRail or, if you go with Cisco, get their full central management system.

vSAN alone, with the current features and version we're at, rates an eight out of ten. The vendor would be a definite one out of ten.

To make the solution a ten, it needs to be vanilla. There shouldn't be any custom drivers, any custom anything. It should just be, "Hey, you know what? These drivers are going to work for this version, the next version, and the version after that." That's the difficulty in this. It takes too much upkeep.

Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
Senior Systems Engineer at SMITHFIELD FARMLAND CORP
Real User
Gives us flexibility to move machines around without hesitation, but UI could be better
Pros and Cons
  • "The most valuable feature is fhe flexibility, the ability to move the machines around without hesitation."
  • "The UI could certainly be better. The inside into what's actually going on with vSAN would be nice to know."

What is our primary use case?

The primary use case is bringing redundancy into our plants for failover. It has been performing great.

What is most valuable?

The most valuable feature is the flexibility, the ability to move the machines around without hesitation.

What needs improvement?

The UI could certainly be better. The inside into what's actually going on with vSAN would be nice to know.

What do I think about the stability of the solution?

There have been a few issues, but VWware support has been tremendous in resolving them, so it's been good.

What do I think about the scalability of the solution?

Scalability is easy to do. It's just drop-and-add and you're good.

How is customer service and technical support?

The process with technical support is pretty good. Escalation up to the top-tier engineers is really good. We have a direct path there. There are no problems with tech support.

What was our ROI?

We probably already reached our ROI aftertwo and a half years.

What other advice do I have?

Make sure your storage network is strong. But I would recommend vSAN.

It's a pretty solid product now that's it's at 6.5 Update 2. I know that it's going to get better, but right now I'm pretty happy with where we're at. I would rate it at seven out of ten. Nothing's perfect. There's always room for improvement.

Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
Buyer's Guide
VMware vSAN
June 2025
Learn what your peers think about VMware vSAN. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
860,168 professionals have used our research since 2012.
CTOc0bc - PeerSpot reviewer
CTO at a tech services company with 51-200 employees
Real User
Great performance from all-flash, but scaling up or down is an involved process
Pros and Cons
    • "I would like to see it be more hardware-agnostic. Other than that, the only other complication is - and it has gotten better with the newer versions - that lately, once you're running an all-flash, if you need to grow or scale down your infrastructure, it's a long process. You need to evacuate all data and make sure you have enough space on the host, then add more hosts or take out hosts. That process is a little bit complex. You cannot scale as needed or shrink as needed."

    What is our primary use case?

    The primary use of the product is for storage for VDI plus some other storage for file servers and the like. The performance is great. We use it on all-flash.

    What is most valuable?

    Performance and the ability to use all-flash.

    What needs improvement?

    I would like to see it be more hardware-agnostic.

    Other than that, the only other complication is - and it has gotten better with the newer versions - that lately, once you're running an all-flash, if you need to grow or scale down your infrastructure, it's a long process. You need to evacuate all the data and make sure you have enough space on the host, then add more hosts or take out hosts. That process is a little bit complex. You cannot scale as needed or shrink as needed. 

    What do I think about the stability of the solution?

    Right now, the stability is pretty good. It's getting a lot better.

    What do I think about the scalability of the solution?

    It has its quirks but the scalability is good. Given that you have to have the hardware, the right driver, the right framework, and so on, it's not easy to put it together, it's not a plug-and-play solution. But once you get all of that done, it becomes a good product.

    How are customer service and technical support?

    I have used the technical support, but most of the time it comes down to the manufacturer of the hardware; Cisco or whoever we're using for it. It's a compatibility type of thing. But tech support is okay.

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

    Our previous solution was SAN-based. I wanted to bring in something new and not only stay with the market, where it's going with the trends, but also to bring in something that is stable enough for production.

    How was the initial setup?

    Once we got all of the driver configurations done, etc., it was easy enough.

    What was our ROI?

    We have definitely seen value, especially in performance.

    What other advice do I have?

    Give it a try.

    Disclosure: My company does not have a business relationship with this vendor other than being a customer.
    PeerSpot user
    Security Specialist at a tech services company with 1,001-5,000 employees
    Real User
    As a hyperconverged solution, it simplifies what equipment we have to buy
    Pros and Cons
    • "Being hyperconverged, it simplifies what equipment we have to buy."
    • "I like that we could choose whatever hardware we wanted, rather than having to use one particular vendor."
    • "It's very scalable. I like that. Adding a node is easy. Adding a disk group is easy."
    • "I'd like to see better integration with the Update Manager, with respect to firmware updates for hardware."

    What is our primary use case?

    Our primary use case is production data and the performance has been great.

    What is most valuable?

    • Cost
    • Being hyperconverged, it simplifies what equipment we have to buy

    What needs improvement?

    I'd like to see better integration with the Update Manager, in terms of firmware updates for hardware.

    What do I think about the stability of the solution?

    It has been pretty stable for us.

    What do I think about the scalability of the solution?

    It's very scalable. I like that. Adding a node is easy. Adding a disk group is easy.

    How are customer service and technical support?

    Tech support has been very knowledgeable for the issues that we've had. They have been able to troubleshoot or determine exactly what is going on and then resolve it in a timely manner.

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

    We were end-of-life on our previous storage and looking at replacements. It made sense to look at something that was going to integrate both the servers and the storage.

    The most important criteria, for me, when selecting a vendor are

    • reputation
    • ease of use
    • value.

    We went with vSAN because of cost and ultimate value. Ease of use and the cost, compared to some of the alternatives, were pretty compelling. I also liked that we could choose whatever hardware we wanted, rather than having to use one particular vendor.

    How was the initial setup?

    The setup had some complexity, and some of that was figuring out newer releases. Networking, originally, was kind of a pain, with having to have everything talk Multicast. They've gone to Unicast which simplifies things.

    What was our ROI?

    It has simplified things for us. It was one purchase for servers and storage so that made it easier on us. It's been a good product, it's something that we'll continue to use.

    Which other solutions did I evaluate?

    For our shortlist, we looked at SimpliVity, some Dell EMC solutions, and Nutanix. 

    What other advice do I have?

    Make sure you do a proof of concept. And look at your options for hardware if you're looking at vSAN, compared to some competitors where you have just one option.

    I would rate the solution at eight out of ten. To get to a ten they would have to drop the cost. That would get a point right there. Then, going forward, I'd like to see better integration with Update Manager. Some of the manual processes that you still have to do, being able to automate those, have it do them on its own, would be great.

    Disclosure: My company does not have a business relationship with this vendor other than being a customer.
    PeerSpot user
    Infrastructure Engineer at Boys Town
    Real User
    Ease of use is unparalleled - very easy to set up and very easy to administer
    Pros and Cons
    • "The most valuable features are ease of deployment, and ease of management. If you compare it to other software-defined storage products, it's much easier. It's a checkbox. It's lot easier to manage."
    • "I like vSAN because they release features incrementally, every year, and you don't have to upgrade your hardware to get those features. If you bought a traditional SAN, you would have to upgrade your hardware constantly, every three years: You would get it, and it is how it is for three years. But on vSAN, you upgrade when you have to, when your hardware gets old or when you need more capacity. It's great, you get new features constantly."
    • "External storage would be a good thing to have in the next release, something other than iSCZI, something a little more, not HA, a little more production-oriented, than iSCZI."

    What is our primary use case?

    Today, we use it for general compute and VDI. We have not put our VDI into production yet, but on the general compute side, it works great. The performance has been exemplary.

    What is most valuable?

    The most valuable features are ease of deployment and ease of management. If you compare it to other software-defined storage products, it's much easier. It's a checkbox. It's lot easier to manage.

    What needs improvement?

    The Snapshots feature looks pretty cool, so that will be nice to have. External storage would be a good thing to have in the next release, something other than iSCZI, something a little more, not HA, a little more production-oriented, than iSCZI.

    For how long have I used the solution?

    Less than one year.

    What do I think about the stability of the solution?

    So far we haven't had any issues at all. It has worked very well.

    What do I think about the scalability of the solution?

    We're not that large at Boys Town. We probably only have 500 VMs. Realistically we have about 50 VSXi hosts. So for us, it's great because we can just buy servers and expand any cluster we need. We split clusters based on other needs, like licensing or something else. It's not like we get to 64 nodes. So we don't have any issues with scalability. It works great for us.

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

    We were having some problems with another software-defined storage vendor so we switched to vSAN. We had problems with the previous vendor's support. While I have never talked to VMware vSAN support, I've talked to GSS, but I've never had issues with GSS, other than their not calling you back right away.

    For me, the most important criteria when selecting a vendor are

    • ease of use
    • single pane of glass - that is huge for me
    • enterprise class, obviously
    • availability.

    How was the initial setup?

    We've had no issues with the product. We put it in in two days. The initial deployment was straightforward, easy.

    Which other solutions did I evaluate?

    On our shortlist were Dell EMC Vx Rack FLEX, VxRail, and we looked at Nutanix a little bit. We chose vSAN because we had done PoCs in the past and, comparing it to every other software-defined storage product out there, its ease of use is unparalleled. It's very easy to set up and very easy to administer, comparatively.

    What other advice do I have?

    I would ask a colleague who is looking at this type of solution, "Do you need storage for VMs?" Hands-down, if you need storage for VMs, vSAN is your option. If you need a SAN for some other reason, other than storage for VMs, then go for it. But if you're running VMware VMs, buy vSAN.

    I like vSAN because they release features incrementally, every year, and you don't have to upgrade your hardware to get those features. If you bought a traditional SAN, you would have to upgrade your hardware constantly, every three years: You would get it, and it is how it is for three years. But on vSAN, you upgrade when you have to, when your hardware gets old or when you need more capacity. It's great, you get new features constantly.

    I would rate vSAN at eight out of ten. It could get to a ten, once we have more time running it.

    Disclosure: My company does not have a business relationship with this vendor other than being a customer.
    PeerSpot user
    StdcSupe3d9e - PeerSpot reviewer
    Supervisor at a energy/utilities company with 1,001-5,000 employees
    Real User
    With the Vx Rack and SDDC, everything is managed much more easily
    Pros and Cons
      • "I would like to see some of the more traditional SAN functions that are out the now. I can list them: being able to Snapshot on the back-end, better de-dupe, and better compression. Those are the major ones."

      What is our primary use case?

      We use it for all of our Production and it has been very effective.

      How has it helped my organization?

      It's more scalable and faster than what we had, and it's easier to support.

      What is most valuable?

      • The non-complexity
      • The cost

      What needs improvement?

      I would like to see some of the more traditional SAN functions that are out there now. I can list them: being able to Snapshot on the back-end, better de-dupe, and better compression. Those are the major ones.

      What do I think about the stability of the solution?

      We haven't had any issues with the stability.

      What do I think about the scalability of the solution?

      The scalability is very good. You plug it in and it goes.

      How are customer service and technical support?

      We have not had to use technical support for vSAN yet.

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

      We knew we needed a new solution. The other one was too complex and too costly and was never really maintained properly. Too many teams had too many hands in it. With the new ACI solution with the Vx Rack, and SDDC, everything is a lot more easily managed.

      The most important criterion when selecting a vendor is reputation.

      How was the initial setup?

      The initial setup was straightforward.

      What was our ROI?

      It's a liitle hard to say what our ROI is because we bought it to replace an old, traditional setup. It was either pay for maintenance and the like, refresh it, or go to an ACI. We went to an ACI. I don't know what the cost to refresh the other environment was, so I don't know exact numbers for return on investment.

      Which other solutions did I evaluate?

      Our shortlist was really just EMC. That decision was made before I took over the project. We were always an EMC shop, so we moved away from Cisco and went to Dell EMC for it. I don't know why, exactly, but they said to me, "Here, make it work."

      What other advice do I have?

      Be careful of your FTT policies.

      I rate it a nine out of ten. It would be a ten if it had better deduping, compression, and the ability to Snapshot volumes on the back-end.

      Disclosure: My company does not have a business relationship with this vendor other than being a customer.
      PeerSpot user
      Director6588 - PeerSpot reviewer
      Director Of IT Infrastructure at a manufacturing company with 10,001+ employees
      Real User
      "One size fits all" - it's the same solution at every physical location I manage
      Pros and Cons
      • "The performance has exceeded our expectations and exceeded our traditional converged infrastructure."
      • "The valuable features are its scalability and the standardization - one size fits all. It's also intuitive and easy to use because one size fits all. Obviously, it scales out, but it's the same solution at every physical location I manage."

        What is our primary use case?

        It runs our core virtualization, both in our data centers and our edge or remote-site data centers. The performance has exceeded our expectations and exceeded our traditional converged infrastructure.

        What is most valuable?

        • Scalability 
        • Standardization - one size fits all

        It's also intuitive and easy to use because one size fits all. Obviously, it scales out, but it's the same solution at every physical location I manage.

        What needs improvement?

        After hearing more today, here at VMworld 2018, about what's coming, it seems that what's coming covers us: It's the Snapshotting and the DR and the replication. Historically, we've had to leverage third-parties. They were third-party solutions we were happy with, but all-in-one would be better.

        For how long have I used the solution?

        Less than one year.

        What do I think about the stability of the solution?

        It has been stable.

        What do I think about the scalability of the solution?

        It scales out.

        How are customer service and technical support?

        I haven't used the technical support but my team has. No issues have been escalated to me, so that's a good sign.

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

        We were using traditional converged infrastructure with storage, network, and compute tiers. We had a mandate from a U.S. government entity that required physical separation of a lot of our infrastructure. Thus, we had we had an urgent need to duplicate everything we had. So it was a technology refresh.

        There were a handful of important criteria when selecting a vendor: 

        • ease of use
        • scalability
        • price.

        What was our ROI?

        We didn't calculate a formal ROI on it because it was a technology refresh, but, "seat-of-the-pants," it's less expensive than traditional infrastructure.

        Which other solutions did I evaluate?

        We looked at Nutanix, we looked at Cisco, and we looked at Dell in the hyperconverged space. On the flip side, we were looking at the traditional SAN vendors and the traditional compute and networking vendors. We selected vSAN because it met the three criteria that I called out.

        What other advice do I have?

        I would tell a colleague to highly consider it. Do your research and test it. If it fits, it fits.

        We've been live about nine months so I would rate it at eight out of ten right now, just because I haven't used it long enough to be confident to say ten. To get it to a ten it will need to be stable for 12 months.

        Disclosure: My company does not have a business relationship with this vendor other than being a customer.
        PeerSpot user
        Supervis55e8 - PeerSpot reviewer
        Supervisor at RSM US LLP
        Real User
        We use it to convert localized storage into virtual storage
        Pros and Cons
        • "The most valuable features are its price point and that you can use existing storage; no specific storage requirements are needed."

          What is our primary use case?

          We use it for localized storage converted into virtual storage. The performance is perfect,  awesome. No complaints.

          What is most valuable?

          The most valuable features are

          • price point
          • you can use existing storage; no specific storage requirements are needed.

          What needs improvement?

          I haven't utilized it enough to even know all the features available, much less what might be needed still. It's hitting all of our points pretty well.

          What do I think about the stability of the solution?

          The stability is awesome. We love it. 

          What do I think about the scalability of the solution?

          We haven't dealt that much with scalability because we're rural. It's a small area with small community-type banks. Being able to convert existing storage into vSan is really a perfect solution for a lot of our customers.

          How are customer service and technical support?

          I haven't needed to contact technical support yet.

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

          What made us go with this solution was price point. When you can utilize existing storage infrastructure, and not have to continually purchase new SAN products out there that are going up in price as time goes by, then it's a wonderful thing.

          When selecting a vSAN vendor, the most important criteria were 

          • stability
          • dependability
          • ease of use
          • experience.

          I've been using VMware for many years, and I'm still using it. That's a testament to how well it works.

          How was the initial setup?

          The initial setup was very straightforward, a very simple implementation. It's just an easy product to use. VMware, in general, is a very easy product to use.

          What was our ROI?

          The timeframe for return on investment is about three years, and we hit that pretty consistently, if not even sooner.

          What other advice do I have?

          Look at the ROI carefully, and make sure that you can hit that before pushing the product.

          It's cheap, easy, and good for low-end customers. We're a small market, rural area, so we have low-end customers. Price point is just about everything for us.

          I would rate vSAN at nine out of ten. What would make it a ten would be lower pricing.

          Disclosure: My company does not have a business relationship with this vendor other than being a customer.
          PeerSpot user
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