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VMware vSAN Room for Improvement

Yves Sandfort - PeerSpot reviewer
CEO & Majority Shareholder at Comdivision Consulting GmbH

Stability can be improved. Adding all these new features is nice, but we are now at the level that most of the features you need in production are there. The stability, not from a day-to-day operations' perspective, but more from a supportability perspective, because currently some of the support scenarios require you to completely evacuate hosts or the complete cluster. That sometimes can be a stretch. This would clearly be an improvement if the support teams were given additional tools to make that easier.

Upgradability could be a bit easier sometimes. We are now where vSAN can be updated without ESXi, but there is still enough dependency. So that would be good if that actually would uncoupled even more.

Dashboards are there, and we use vROps as well. So, we have all the beauty of the capacity planning and everything over there. That's not really something where we need a lot of other things. 

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VC
CEO at a tech services company with 201-500 employees

If one node out of your ten nodes fails, it takes a lot of time to replicate and rebalance VMware vSAN. This time can be reduced. When a node fails and the data is not accessible, vSAN has to be rebalanced to make the redundancy level of two again. However, if it is taking a lot of time and any other hardware fails during that time, then we have a problem. Two disk failures mean that all data will be lost, and we may have to recover it from the backup. So, the number of threads that run to do the rebalancing could be more so that the time taken to make it fully redundant again is not so much.

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Conrad Cruz - PeerSpot reviewer
Technical Manager at a tech services company with 5,001-10,000 employees

I would like to see better integration between the cloud and our VMware virtual environment. We only have one virtual environment, which is VMware vSAN. Right now, there is little interoperability with the cloud solution at the moment. We are currently researching to figure out if we can achieve that. 

It's possible that we'll need to acquire new infrastructure for the new data center. And for that, we need to consult some architects, whether it's a VMware architect or some AWS and Azure architects. And we could come up with a workable blueprint that to use as a guideline so we can manage our infrastructure.

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Buyer's Guide
VMware vSAN
July 2022
Learn what your peers think about VMware vSAN. Get advice and tips from experienced pros sharing their opinions. Updated: July 2022.
620,319 professionals have used our research since 2012.
AP
Infrastructure Security with 201-500 employees

The updating process could be easier. It's just a bit more complex. I don't update very often. It's something I do infrequently, and therefore, we haven't got that much experience with it. That said, this Lifecycle looks better. There's a new feature called Lifecycle, which is dealing with the issue sI mainly have.

I haven't done an update yet with the new system. My understanding is it's an improvement from what I can see. 

Guests that are pinned to hosts for various reasons, for antivirus or the backups should be able to be reported that they are being pinned, and also reported if things have snapshots. When you're doing certain things, they don't work so well if you've got snapshots on or if you've got things that are pinned. They can't move. When you're doing things, if there was something that was going to stop it from working that's within VMware, these should automatically be checked. 

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LN
Director at SOFTLOGIC

The only negative point relates to the licensing. If you want multiple, different servers, it costs money, but you have all the capacity for vSAN. You do not reach the data, but the processor arrays and the current architecture.

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AD
Director - IT Strategy Lead at a comms service provider with 501-1,000 employees

It could have some automation. We haven't involved ourselves in a lot of automation around the vSAN environment capabilities. We're still running it using a very traditional setup. So, there could be some plugins to automate it using third-party environments, such as Jenkins.

We were trying to explore a solution for a hybrid setup, and VMware had proposed something, but we wanted to understand a deeper setup where our existing vSAN and our HCI environment can interact better with our platforms on the cloud in AWS. So, there should be those types of interactions wherein we can better explore cost-saving opportunities from some platforms in the cloud versus the one that we have on-prem.

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Lipaz Hessel - PeerSpot reviewer
Country Manager at Gilat telecom

There could be more features with the automatic backup.

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VB
Trainer/Consultant at Koenig Solutions Pvt. Ltd.

There's a lot that can be done to segregate. That may be available now in vSAN 7, I suppose, however, the deduplication and compression can be segregated. 

Increasing the classifiers to maybe more than 64 could be done in future releases.

The file service is something that can be integrated.

Something more could be done to integrate from a monitoring perspective right in the console itself so that we have deeper monitoring capabilities.

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YK
Head of network and web at a maritime company with 501-1,000 employees

We are looking for more load balancing at an application level.

For the hardware level, we're looking at some other solutions. For example, we're checking out Nutanix and Sangfor. 

We've had issues with load balancing. Suppose, for example, if the physical ESXi host is down, the virtual machine you have handle manually. We need to have load balancing and RAM and processor balancing also.

Hardware load balancing is available on the enterprise version of the solution, however, it's extremely expensive and therefore out of our budget.

In general, we're looking for more features. This solution doesn't really offer us that much.

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CP
Head of IT-Department at a financial services firm with 11-50 employees

The ability to access SAN environments via fiber channel (or even NVMe) would be a good addition.

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RS
Senior Director at a tech vendor with 201-500 employees

I would like to see more support for applications. I think currently it only supports applications between two vSAN clusters. I heard that VMware is planning to have applications using vSAN at the hypervisor layer. I'm not sure whether it's available or it's being planned for the next release. I would prefer it to be on the storage layer than on the hypervisor layer.

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NP
General Manager Sales at a tech services company with 201-500 employees

VMware is currently working on quite a lot of improvements and they're coming out with lots of novel features in their new releases. There's only one improvement area, and that is it needs a little bit more software and hardware to make it similar to Nutanix.

The pricing could be better when it comes to renewing the licenses. 

Technical support could have a faster response time.

It's hard to come up with an exact feature that might be good to include in a future release, as each customer is different and each customer likely has different feature needs.

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GN
IT Infrastructure Specialist at a computer software company with 51-200 employees

The solution could maybe improve failure protection. The failure protection for vSAN is very expensive sometimes within the clients. The customers want to be able to tolerate two or three nodes in failure. However, sometimes, the budget is limited. Implementing hyper-converged solutions sometimes are very expensive with the dozens of tolerance of failure.

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Vebjorn Nergaard - PeerSpot reviewer
Senior IT Engineer at Guard Automation AS

If we have some complicated issues, you have to use the command lines interface. Not everything is possible to be fixed in the GUI. This is a drawback, that some things have to be fixed via command-line interface and should be able to be done in the GUI.

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AmrEldawody - PeerSpot reviewer
Senior System Administrator at Saudi Electronic University

We would like to see additional backup and recovery options added. In particular, integration with popular applications like databases.

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Md.Shahadat Hossain Shipon - PeerSpot reviewer
Sr. Manager-Data Center and Virtualization at Omgea Exim Ltd

The price can be reduced. Small businesses cannot afford this solution.

There are limitations with Kubernetes and vSAN.

In the next release, I would like to have a hybrid flash available with this product.

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DA
Founder at a construction company with 11-50 employees

They can package it in a way that is specific to the hardware infrastructure and the hardware platform. It should stay fairly up to date with the drivers and the manufacturer issues.

The problem with uncoupling the proprietary technology and component capabilities is that by uncoupling them, you run into some concerns or challenges over the poor performance model. These concerns really come when you start talking about high performance, high bandwidth, and high availability types of environments. While vSAN is a leader, in a critical view, it is not about being cost-effective. It is more about the immediate impact of money loss to the business in critical applications where we want to maintain a continuous operational 59 model. It is, however, good for QA/QC tasks. I don't necessarily know how it works in regards to VDI or virtual desktop infrastructure.

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AB
Senior Technology Consultant at a tech services company with 10,001+ employees

The only thing that can be improved is the cost.

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Gabriele-Pizzigati - PeerSpot reviewer
Senior Software and Systems Engineer at SAMU.IT

If the support could be provided more quickly, it would be very helpful.

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SM
Manager at a non-profit with 201-500 employees

The solution could use more integration with respect to the DR solution. If there was more integration with respect to the backup solutions, that will definitely help us.

On the DevOps side, if there could be more automation it would be more helpful. Specifically, we would like to know how to integrate and extend it towards the cloud. Either it is JCP or GCP or AWS.

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AM
User at a computer software company with 201-500 employees

When designing the implementation for vSAN, I have noticed that it requires a minimum of six nodes, and this creates a problem when it comes to maintenance. If, out of the six nodes, I put one node in maintenance mode, then vSAN does not create other VM components. I think the reason for this is that the minimum configuration is a six node arrangement. If any one of the six nodes is put into maintenance mode, we're simply unable to create a VM, but if there are seven nodes in that cluster, then we are able to put one under maintenance. That's one thing that should be looked at.

More generally, the features of vSAN as we see them are dependent on the quality of the storage, since each different storage technology has its own separate features that go along with it.

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Michael Tsang - PeerSpot reviewer
Technical Consultant Manager at a computer software company with 1,001-5,000 employees

This solution should be easier to support and upgrade.

As a software-based product, it requires a lot of system resources.

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DL
Consultant at a security firm with 1-10 employees

It can be very expensive.

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LP
Head of the Cloud Factory Architecture & President at a comms service provider with 10,001+ employees

One area that could be improved is the management feature. The link between the virtualization layer and the application layer can be improved as well.

An additional feature I would like to see in the next release is integration between virtualization with vSAN and network virtualization.

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VO
Managing Director at Ictnet Limited

Currently, there aren't any shortcomings to discuss or missing features that we worry about. 

This product is very expensive. 

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WS
Senior System Engineer at a energy/utilities company with 201-500 employees

We are facing some problems with updates with the VMware vSAN. When we upgraded from version 6.5 to 7, we have been faced with many problems. They have been deploying many hotfixes for this version, and they need to continue to improve this version.

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AV
Director at a media company with 5,001-10,000 employees

The big thing is pricing, and the rest of it is mostly good. From a scalability point of view, scaling the storage from network or compute should be easier. It is again all around the cost, and it would be good if it was easier to scale your storage separately from your compute. One of the things that I have observed is that when you start off, you've got too much storage, and over time, you've got less storage, and you have to build new clusters to scale. So, if you can scale compute and storage, it would be good. I know it is scalable separately, but it is a complex process.

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DN
Managing Director at a tech services company with 1-10 employees

So far, the solution is okay with me. 

It would be ideal if the solution offered some intelligent monitoring. Right now, most of these features are in another subscription such as Log Insight.

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MinaMagdy - PeerSpot reviewer
Senior Infrastructure Solutions Specialist at Fiber Misr

More focus has to be put on deduplication and compression with a hybrid architecture. The reason is that some customers need to have a more cost-effective solution so they don't want to implement all-flash. As such, they need to use a hybrid environment.

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FV
System Engineer at a tech services company with 10,001+ employees

On the troubleshooting front, it was occasionally difficult for me to perform some troubleshooting. We are currently working in a demo environment, so we are not encountering many issues. However, when you reach production with a heavy load, troubleshooting the vSAN may become difficult. 

Troubleshooting with vSAN is an area that needs improvement.

Based on my testing, I would like to expand deduplication to include hybrid deployments and not just for all-flash deployments.

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Maan Othman - PeerSpot reviewer
Senior System Engineer at a comms service provider with 201-500 employees

They can improve the manageability of the solution to make it more simple. It is not that complicated, but it will be good if they can make it more simple.

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Abbasi Poonawala - PeerSpot reviewer
User at a financial services firm with 10,001+ employees

The solution could be improved by having more filtered and multiple view volumes instead of a single view.

In the next release, I would like to see a more user-friendly dashboard with the potential to display issues. It should be capable of detecting the issues faster. For example, if something is wrong with your LAN, controller, or storage volumes.

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JM
Senior Solutions Architect at a tech services company with 1,001-5,000 employees

There is a lot that VMware could improve from a marketing perspective. The cloud is still new for many people, so extending storage should be effortless. It shouldn't be so complicated to extend the storage so workloads can access it no matter where they go. 

When you're moving a workload, you don't want to worry about whether the storage will be there or not. Ideally, that should be easily replicated and extended to a cloud environment. We have a lot of vendors trying to extend their on-prem infrastructure seamlessly. That could be workloads. It could be extending the virtual hardware to on-prem storage or the physical storage to virtual storage in the cloud. Everything should be easy for customers to consume and configure, but some of this stuff is still pretty complex because it's so new.

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MS
IT Infrastructure Manager at a retailer with 11-50 employees

This solution could be improved by having more than one controller for the environment. VMware depends on one controller for the whole environment, whereas Nutanix has one controller for each node. Because there is only one controller with VMware, if there was any drop, then the whole environment would stop working. In Nutanix, I have five nodes—there is one controller for each node and it depends on a virtual controller—so if the controller of any node is down, the whole environment will still work. 

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BM
Account Executive at a tech services company with 1-10 employees

As no product is 100% perfect, the price for VMware vSAN could still be improved, though it is good when compared to some of its competitors.

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MP
Trainer in information and communication technologies at a educational organization with 51-200 employees

I'd like to see improvement in the troubleshooting tools, specifically the troubleshooting mechanism. We like the product, but once in a while there are problems that require us to reboot the host to fix things, and that creates an impact on production. 

For additional features, I'd like to see a better monitoring tool. 

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KH
IT Project Manager at a museum or institution with 11-50 employees

It could be cheaper.

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RR
Pre sales Engineer at a comms service provider with 10,001+ employees

Many VMware products are specialized, where one solution does one thing and another does something else. It would be better if VMware consolidated these products and offered modules or add-ons instead of selling 10 different solutions.

Also, a vSAN cluster must have compression and deduplication to be an all-flash array, but it's not supported with a hybrid array. Deduplication and compression work better with an all-flash array, so I think that VMware should give customers the option to activate and support this feature for hybrid arrays. Other products like Nutanix support this.

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DD
Director - DC & Hybrid Cloud Presales Lead for APAC at a computer software company with 10,001+ employees

They can be more competitive in terms of pricing.

They should make the software updates easier. We should be able to upgrade it more easily.

If we can have a unified dashboard for managing the public cloud environment, it would be good.

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UF
System support engineer at a financial services firm with 1,001-5,000 employees

We would like to see even more storage capacity. 

Technical support could be more knowledgeable.

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Michael Ogunlade - PeerSpot reviewer
Head of enterprise systems at Fidelity Bank Plc

Because of virtual storage, the system reaches reserve storage for its functions. It also consumes a certain amount of storage, which then results in the creation of a fault tolerance for the system. All of this adds to a lot of capacity being consumed in terms of storage for each drive for vSan. I find this to be one drawback of using vSan.

The pricing for licensing could be cheaper.

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JC
Technical manager at a tech services company with 11-50 employees

I don't recall an area for improvement in VMware vSAN, because it's a concept, a brand, and a product. If the concept doesn't change, we can't improve this software that much, but VMware can probably make the monitoring feature much better.

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DN
Senior Buyer at a tech services company with 1-10 employees

The integration could be improved. I would like to see integration with other platforms.

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Mohab Samy - PeerSpot reviewer
VMware Technician Manager at VAS

The scaling could be a bit better.

The monitoring capabilities could be improved. It would be ideal if clients didn't need to monitor the solution on a daily basis.

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MR
AVP at a computer software company with 501-1,000 employees

I think it needs to be more cost-effective if customers already have existing SAN to compare with.

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RB
Software Engineer at a comms service provider with 51-200 employees

The cost of the product is very high. The price for the hard drive, for vSAN, is very expensive.

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Darshil Sanghvi - PeerSpot reviewer
Consultant at a tech services company with 501-1,000 employees

In a future release, they could add micro-segmentation or security level features integrated into vSAN.

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YR
Solutions Architect at a computer software company with 501-1,000 employees

From the implementer side, the solution is very comparable to Nutanix. The only difference is that VMware requires more initial nodes.

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CH
Senior Expert Solution Architect at a comms service provider with 10,001+ employees

VMware vSAN could improve by having faster reload time and a single point of failure. Resynchronization of many hardware could be better. If you have an outage of a disc or a full system, the replication time is too slow. This has room for improvement.

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Devendra-Singh - PeerSpot reviewer
Assistant Manager at a financial services firm with 10,001+ employees

We faced some latency issues but it's been a little better lately. I'd like to see a single dashboard product and an improvement in reporting which currently depends on third party applications. 

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MinaMagdy - PeerSpot reviewer
Senior Infrastructure Solutions Specialist at Fiber Misr

They should provide Deduplication and Compression over the hybrid drives. The Deduplication and Compression are locally only on all flash drives.

When you compare with Nutanix, you will find the performance in the Deduplication and Compression is over hybrid and on the flash drives. This feature is needed in vSan.

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Muzamil Yakub - PeerSpot reviewer
Chief Executive Officer at Infoview Limited

Customers who are using Essentials Plus or even Essentials have to pay for technical support. However, they should not have to pay for support.

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AH
EUC Consultant

When you upgrade the vSAN, there are some issues like lost data and problems with the log. The log disappears. When you upgrade the solution, you must have several logs, so if you have some problems, you can check the log server to find them. But this solution has some improvements, like its snapshot feature. When you have to upgrade the version, vSAN makes a snapshot, and if there is a problem, you can revert to the old version.

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AL
Solution Architect at a tech vendor with 1,001-5,000 employees

It would help if the cost of the solution was reduced for smaller sized companies. 

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Igor Zheltukhin - PeerSpot reviewer
Lead Engineer at IBS Platformix

The architecture of vSAN is not good. vSAN works with objects, such as disks, and it causes problems with availability. When we send users caches we lose the total cache disk of the group. It's really a red line for using vSAN. We don't lose all the data because it is replicated in other groups, but when the object is lost in one group, we only have one remaining and this creates a higher risk of losing data.

Another is the restrictions of using deduplication and compression, it requires all-flash for it meaning that deduplication is on for all clusters and you can't control it for specific ones. I would like VMware vSAN to give hybrid configurations more caches and to add deduplication and compression for hybrid configurations.

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FK
Head Of Network & Technical Support at a financial services firm with 501-1,000 employees

The solution isn't as scalable as we would like it to be.

The stability needs to be improved.

The installation process is difficult.

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Syed Nouman Ali Rizvi - PeerSpot reviewer
System Administrator at a university with 501-1,000 employees

The interface is a little complicated, it could be simplified with more graphical gadgets. We have many servers, and the built-in functions, such as rate configuration, are a bit complex.

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Peter Betyounan - PeerSpot reviewer
CTO & Co-Founder at Servers Australia

I am looking for more of a software-defined storage platform that uses different protocols, such as iSCSI, NFS, and CIS, and maybe also has an object as part of that. They should 100% make it more of a storage-based product where it is not linked just to VMware, and it also has NFS and iSCSI built-in at a scalable level. They should turn it more into a dedicated storage-as-a-service platform instead of just being built into the VMware kernel.

Their level one and level two support is not at all good, and it should be improved.

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MC
Senior Manager IT Services at a financial services firm with 1,001-5,000 employees

Its integration with a hybrid cloud can be improved. Its scalability can also be improved so that it can be integrated with more than 32 nodes. The maximum number of nodes is okay, but our use cases could probably do with more nodes, probably up to 64.

In terms of new features, it should probably have the basic support for high-speed networking spaces.

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RM
Director Of Services Nicaragua at a tech services company with 501-1,000 employees

An integrated backup solution within the vSAN platform would improve the product. Competitors like SimpliVity, UCS, and Cisco Hyperconverged all have a backup feature in their hyper converged infrastructure, it's something that a lot of people use now.

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NO
Solutions Coordinator at a tech services company with 501-1,000 employees

Improvements can be made with respect to scalability.

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Roberto_Boclin - PeerSpot reviewer
Information Technology Consultant at a tech services company with 201-500 employees

Integration could be better. It should be easier to integrate vSAN with the dashboard you have, with Google, and the others. Better integration is very important because the customers need to put the solution inside their company. It's the same dashboard for AWS, the same dashboard on GCP. It's good to see this inside a dashboard. It's very important.

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Sandeep Solanki - PeerSpot reviewer
Assistant General Manager at a manufacturing company with 1,001-5,000 employees

There is always a challenge with their firmware. There is different hardware and they are always looking for different firmware that is compatible with vSAN. It is very difficult to find the compatibility matrix.

They need to do some kind of automation in terms of hardware, firmware, and compatibility with the vSAN. They need to do some sort of upgrade for the customer.

I would like to see the upgraded mechanism, and improvements on the hardware so that we can create a VPN.

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Tun Toe Aung - PeerSpot reviewer
Head Of Products And Solutions Architect at a government with 201-500 employees

VMware vSAN needs to improve its features because other solutions have more advanced features.

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MK
Software Specialist at a computer software company with 11-50 employees

We plan to switch products since the hardware nowadays is a little bit outdated and we need to scale up a bit. We are looking for better performance and storage. This is why we are examining other solutions, including VxRail. 

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YD
Solution Manager at a tech services company with 10,001+ employees

VMware vSAN could improve by adding NAS and object storage.

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TG
Professional Member at a tech company with 1-10 employees

I have used the VMware Replication but I can't get it to work properly. The process should be simplified.

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SB
Systems Operations Manager at a healthcare company with 10,001+ employees

It should be easier to use. Only trained people can properly use it. For untrained, system administrators, it's tough to get a firm understanding of the basics, that's why I'm still studying it.

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Mohd Azwan Azam - PeerSpot reviewer
Systems Engineer at Stellariz

Its price could be improved. It is too expensive for our clients.

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Rizki Ardiansyah - PeerSpot reviewer
IT Coordinator at a tech services company with 1,001-5,000 employees

The user-friendliness could be better. 

The solution is quite pricey in comparison with other products, such as HP or Cisco. 

While I like the replication and compression features, there is a problem with them running too slowly. This is not of benefit to the customers, but it is important when it comes to migrating. 

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Maan Othman - PeerSpot reviewer
Senior System Engineer at a comms service provider with 201-500 employees

Its installation should be easier, and its price should be cheaper. 

It would be good for the product if they can include the data locality feature.

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TC
Solutions Specialist at a computer software company with 10,001+ employees

In a future release, they can bring in the object storage capabilities to this solution. Currently, there is not any compatibility.

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RA
Head of Professional Solutions at a tech services company with 201-500 employees

Ease of administration is one area where vSAN could be improved. 

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SA
System Engineer at GoVirtual

VMware vSAN could improve by having better integration with other vendors and the storage is limited, I prefer it to the traditional storage.

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PA
Manager at a tech vendor with 10,001+ employees

The UI falls short compared to other solutions. It needs some development to make it more user-friendly. 

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Omar-ElsharQawy - PeerSpot reviewer
Business Development Manager at iVolve Technologies

Traditional infrastructure, Private cloud and the hybrid cloud

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NN
System Analyst at a computer software company with 10,001+ employees

I would like for the next release to be a bit cheaper.

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JF
IT Manager at Triara

We often run out of space but we have enough capacity for memory and CPU. It's difficult to find the balance between storage and memory CPU.

Overall, this is a simple solution but could be improved due to the issue with vSAN ReadyNodes. There are many compatibility requirements for storage using this solution that are difficult to meet.

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Omar_Samir - PeerSpot reviewer
Public Sector Sales Manager and DBA at Diverse

I'd like to see more storage terabytes available after excluding the management. 

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Samson Kitaw - PeerSpot reviewer
Network Manager at Bank of Abyssinia

It is quite an expensive solution for us and I would like to see some improvements on the backup side of the solution. 

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Buyer's Guide
VMware vSAN
July 2022
Learn what your peers think about VMware vSAN. Get advice and tips from experienced pros sharing their opinions. Updated: July 2022.
620,319 professionals have used our research since 2012.