Manager at a comms service provider with 10,001+ employees
Real User
Good migration capabilities, fast and reliable
Pros and Cons
  • "The migration capabilities are very good."

    What is our primary use case?

    We plan to use Zerto for migrating our external customers from their private data centers to our data center and Zerto's application services or other cloud services.

    How has it helped my organization?

    Zerto has improved our migration capabilities. Before Zerto, we used other applications, but they had some limitations in terms of platform compatibility. With Zerto, we have platform freedom and can migrate any customer to our data center.

    What is most valuable?

    The migration capabilities are very good. The platform flexibility allows us to migrate customer resources and virtual machines from any platform, like Hyper-V or VMware, and it's fast and reliable.

    For how long have I used the solution?

    We're in the process of a proof of concept. It's been about three or four months.

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    What do I think about the stability of the solution?

    The stability is strong and reliable. 

    What do I think about the scalability of the solution?

    It's scalable.

    How are customer service and support?

    We will provide support with the help of HPE or Arlanje. We are just preparing that model.

    The customer service and support are very helpful. Whenever we ask something, they respond very fast and quick. Their technical knowledge is really good.

    How would you rate customer service and support?

    Positive

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

    Zerto is faster and more reliable. In the POC process, we compared it with other technologies and brands, and Zerto is very nice.

    We compared it to Veeam. 

    We still use our previous solution. In fact, we are not replacing that solution. We are just enriching our replication products with Zerto.

    Zerto is more user-friendly.

    How was the initial setup?

    It was easy and fast. The point is, it's really easy.

    What about the implementation team?

    We used a consultant. The experience was very nice. They were very helpful.

    What was our ROI?

    It's very new for us, so we don't have that information yet.

    Which other solutions did I evaluate?

    We evaluated Acronis, Veeam, and Commvault. We chose Zerto for two reasons. 

    • First, our customers want it. They always ask if we do replications with Zerto. 
    • Second, we compared it with other products. 

    Zerto is user-friendly, fast, and reliable. We wanted to improve our replication cycle. 

    It's also platform-free. I can migrate resources from my customers' on-premises data centers, public clouds, and other cloud service providers' data centers to my data center. That's the biggest advantage for us.

    What other advice do I have?

    Up to now, I would give it an eight out of ten. It's platform-free, which is the most important thing for us. 

    It's also easy to use, fast, reliable, and the replication process is really nice.

    Which deployment model are you using for this solution?

    Hybrid Cloud
    Disclosure: I am a real user, and this review is based on my own experience and opinions.
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    Ethan Johnson - PeerSpot reviewer
    It engineering manager at Southern Veterinary Partners
    Real User
    Phenomenal recovery time, good scalability, and fantastic support
    Pros and Cons
    • "The ease of adding additional servers is valuable. We have a portal that we can go into to add those new servers, and then outside of that, the overall time that it took for disaster recovery simulation is also good."
    • "They are doing a lot of great things, but I have heard that Zerto is expensive."

    What is our primary use case?

    We use Zerto for disaster recovery. That is our main use for it.

    How has it helped my organization?

    Everybody at the top wants to be able to hear about our disaster recovery timelines. The ability to restore our Practice Management systems several states away in a matter of 45 minutes is phenomenal.

    I love the near-synchronous replication of Zerto. We are based out of Alabama but we have our off-site disaster recovery in Colorado. Being able to have data very quickly over in Colorado is phenomenal.

    Zerto has enabled us to do disaster recovery in the cloud, rather than in a physical data center. Having DR in the cloud is super important for our organization. That is where our business intelligence center lives. Without that data, we do not make money.

    We have used Zerto to help protect VMs in our environment. It has been a huge contributor and has made a world of difference in terms of timelines. It helps spin up our Practice Management systems in a very quick time frame.

    What is most valuable?

    The ease of adding additional servers is valuable. We have a portal that we can go into to add those new servers, and then outside of that, the overall time that it took for disaster recovery simulation is also good.

    What needs improvement?

    They are doing a lot of great things, but I have heard that Zerto is expensive.

    For how long have I used the solution?

    I have been using Zerto for two years.

    What do I think about the stability of the solution?

    I would rate it nine out of ten for stability because we had one virtual machine that was not backing up properly, but we did work with support. We got phenomenal support. They helped us fix it.

    What do I think about the scalability of the solution?

    I like the scalability. Because we are in the acquisition space, we wanted adaptability. As new engineers are coming in and adding more to our data center, they can go through and they can just add it to Zerto. That is a part of their process. 

    How are customer service and support?

    They are fantastic. I would rate them a ten out of ten.

    How would you rate customer service and support?

    Positive

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

    We had a different platform previously, and we swapped it with Zerto about two years ago. 

    We had Commvault. We were not getting consistent backups. We were not getting consistent disaster recovery. Each of our simulations did not match up, and nothing made sense.

    I would rate Zerto a ten out of ten in terms of speed of recovery versus other solutions. 

    How was the initial setup?

    It was super easy. We did partner with Verinext to come in and help implement it, so the swapover was instantaneous. It was super quick.

    Our experience with Verinext was fantastic.

    What was our ROI?

    We have seen an ROI. We had an outage in our data center, and we were able to use Zerto to spin up in Colorado to be able to continue to operate, which is multi-million dollars at 450 animal hospitals.

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

    I have heard that it is expensive, but that is not my world.

    Which other solutions did I evaluate?

    N-able was a solution we looked at, but it did not fit our needs. We had previously been using Commvault, and then we found Zerto. Our solutions partners were the ones that recommended it to us. After we saw what it was able to do, we made the swap.

    What other advice do I have?

    If someone is considering Zerto, I would advise them to go ahead and swap to Zerto. I would share my entire experience with it with them and how it has been phenomenal for us.

    I would rate Zerto a ten out of ten because of the recovery time.

    Disclosure: I am a real user, and this review is based on my own experience and opinions.
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    Zerto
    June 2024
    Learn what your peers think about Zerto. Get advice and tips from experienced pros sharing their opinions. Updated: June 2024.
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    HR Consultant at a consultancy with 1-10 employees
    Consultant
    It's fast and automated, with minimal data loss
    Pros and Cons
    • "The best feature of Zerto is the fast, automated backup and recovery. The data lift for applications is short, with minimal data loss."
    • "Zerto's analytics could be more detailed. The analytics report seems to be more difficult to read."

    What is our primary use case?

    We implemented Zerto to improve our backup speeds and data recovery time. Zerto is deployed across multiple departments, and around 12 admins and analysts currently use it. 

    How has it helped my organization?

    Zerto has improved my organization in multiple ways, particularly its ability to scale. We have a massive environment that is undergoing cloud development because we are not a very old company, and we needed something that could help us. It's doing its job. Zerto supports multifocal scenarios across the cloud and on-premise.  

    The solution has had a positive effect on our RPOs. The time is faster with Zerto. Another benefit is reduced downtime. Compared to what we used before, I'd estimate it reduces downtime by 25 percent. The solution has saved us time in a data recovery situation. I'm unsure how much, but it's a lot of time. Zerto has reduced our DR testing time by about 30 percent. 

    Zerto has simplified compliance with industry regulations by including audit logs and official reporting to support regulatory compliance. It has also simplified our workload because it can do so many jobs.

    What is most valuable?

    The best feature of Zerto is the fast, automated backup and recovery. The data lift for applications is short, with minimal data loss. Zerto has improved my RTO because we can replicate and easily manage our data, which has positively impacted my company.

    Zerto is easy to use if the installation is done properly. Its near-synchronous replication is wonderful, but I'm still learning how to use it. 

    What needs improvement?

    Zerto's analytics could be more detailed. The analytics report seems to be more difficult to read. 

    For how long have I used the solution?

    I have used Zerto for 19 months.

    What do I think about the stability of the solution?

    I rate Zerton nine out of 10 for stability. It's highly stable. 

    What do I think about the scalability of the solution?

    I rate Zerto seven out of 10 for scalability. 

    How are customer service and support?

    I rate Zerto support eight out of 10. 

    How would you rate customer service and support?

    Positive

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

    We previously used Microsoft Azure's backup option. It was a little bit cheaper, but Zerto's recovery is faster. It's a little bit more expensive but much quicker. 

    How was the initial setup?

    I wasn't part of deploying Zerto, but I believe it was straightforward for them. It required a four-person team and took around two hours. After deployment, we occasionally experience some software bugs that must be investigated. 

    What was our ROI?

    We've seen a 10 percent ROI with Zerto compared to what we had before.

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

    I rate Zerto two out of 10 for affordability. The licensing model is somewhat complex. Adding more flexible and less costly options would help.

    What other advice do I have?

    I rate Zerto nine out of 10. I would recommend Zerto to others. 

    Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.
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    Head of IT at Leadway Pensure PFA
    Real User
    Top 20
    Provides near-synchronous replication, immutable data copies, and impressive recovery speed
    Pros and Cons
    • "Real-time replication is a valuable feature, ensuring that changes made to the production site are immediately reflected at the recovery site."
    • "Zerto's solution could benefit from additional security features, such as malware scanning tools at the recovery site."

    What is our primary use case?

    We use Zerto for our application data recovery.

    How has it helped my organization?

    Zerto's near-synchronous replication delivers exceptional results. The data at our recovery site is kept nearly identical to production in real-time, minimizing data loss to near zero.

    By utilizing Zerto's immutable data copies and adhering to the three-two-one rule, we have established a highly effective recovery strategy.

    While Zerto doesn't inherently block unknown threats or attacks, its detailed history logs enable us to revert to a pre-attack state, essentially restoring a clean system.

    Our production machine experienced changes that caused the application to crash. To resolve this quickly, we restored the machine to its previous state using a recovery copy located at the recovery site that was made by Zerto. After powering on the restored machine, we changed its IP address, making it accessible again.

    Zerto has a positive effect on our RPOs.

    It boasts impressive recovery speed. As a customer, all we need to do is power on the machines at the recovery site - that's how simple and fast it is. Even if the recovered state isn't ideal, we can easily rewind to a specific point in time and power up another instance of the machine at that moment.

    Zerto makes it easy to migrate data. The total configuration is user-friendly.

    While our current RTO is three hours, Zerto can significantly reduce it to just five minutes.

    Zerto helps us significantly reduce downtime during hardware failures, software updates, and natural disasters.

    While we haven't experienced a ransomware attack, we have a recovery plan in place. If one were to occur, we could quickly restore production to a previous point in time, minimizing downtime and data loss.

    Zerto helps us reduce the amount of disaster recovery testing we need to perform, which also allows us to reduce the number of staff required for the testing down to two.

    The Zerto application is licensed per VM. However, the amount of data stored on each VM does not affect the licensing cost. Whether we have terabytes or just a few bytes on each VM, the licensing fee remains the same. This means we only pay for the machines we are replicating, which can lead to significant cost savings.

    What is most valuable?

    Real-time replication is a valuable feature, ensuring that changes made to the production site are immediately reflected at the recovery site.

    Another feature I appreciate in Zerto is its detailed logging. This functionality allows us to easily access past data and reconstruct the machine's state at any given point in time.

    We can recover the replicated machine at the recovery site by simply clicking it back up from the replicated machine. This allows us to keep the original machine running while the recovered machine is active. It's also vendor-agnostic, meaning it works with different hardware vendors like HP or NetApp. In other words, Zerto adapts to the specific hardware we have regardless of the vendor.

    What needs improvement?

    Zerto's solution could benefit from additional security features, such as malware scanning tools at the recovery site.

    For how long have I used the solution?

    I have been using Zerto for five years.

    What do I think about the stability of the solution?

    Zerto is stable.

    What do I think about the scalability of the solution?

    Zerto is scalable. We just need to add a license and they provide a new key.

    How are customer service and support?

    The technical support team offers an excellent service. They empower customers by providing comprehensive documentation and guidance, helping them resolve future issues independently.

    How would you rate customer service and support?

    Positive

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


    How was the initial setup?

    The initial deployment was straightforward, and I handled it independently. My only reference was the provided documentation; I required no further assistance.

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

    Zerto's pricing doesn't depend on the number of virtual applications. Even if we have a server with 200 terabytes of data, we'll only pay for protecting that single server, not for the total size of the replicated data. This simplifies our cost structure.

    The licensing cost is fair.

    Which other solutions did I evaluate?

    I evaluated Veeam and SIM before choosing Zerto. Zerto's interface is much easier to use than the other solutions I tested. Integrating into our environment is also seamless.

    What other advice do I have?

    I would rate Zerto a ten out of ten.

    No maintenance is required.

    You can save a lot of time researching solutions by choosing Zerto. It's efficient, easy to deploy, and easy to maintain. Additionally, Zerto offers excellent support, including comprehensive documentation, breach and RCM coverage information, and a knowledgeable customer support team.

    Which deployment model are you using for this solution?

    On-premises
    Disclosure: I am a real user, and this review is based on my own experience and opinions.
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    Jagadeesh Ethiraj - PeerSpot reviewer
    Technical Lead, Global DataCenter Services at a manufacturing company with 10,001+ employees
    Real User
    Is easy to migrate data, helps reduce our recovery and staff time
    Pros and Cons
    • "Zerto is scalable."
    • "The RPO for our SQL server has room for improvement."

    What is our primary use case?

    We use Zerto for disaster recovery and cloud migration.

    How has it helped my organization?

    The near-synchronous replication is valuable to our organization.

    Zerto's immutable data copies three-two-one rule is great.

    The ability to block ransomware attacks and help recover our servers is great.

    Since we don't have a backup data center, Zerto's cloud disaster recovery is of the utmost importance.

    The recovery point objective for our virtual machines is good. We haven't encountered any significant issues. However, there have been some delays due to the substantial volume of data being written to the SQL server.

    Migrating data using Zerto is easy.

    Our RTO went from three days to a few minutes after implementing Zerto.

    In the event of a ransomware attack necessitating data recovery, Zerto would undoubtedly prove invaluable in expediting the process.

    Zerto has helped reduce our recovery time from days to minutes.

    Zerto has reduced the time our staff spends on data recovery by 25 percent.

    What needs improvement?

    The RPO for our SQL server has room for improvement.

    On-premises to cloud migration lacks certain features, such as the ability to directly rename virtual machines. In the cloud, renaming resources often requires cumbersome workarounds like cloning and manual renaming.

    For how long have I used the solution?

    I have been using Zerto for four years.

    What do I think about the stability of the solution?

    Initially, we had stability issues with the older versions but now I would rate the scalability an eight out of ten.

    What do I think about the scalability of the solution?

    Zerto is scalable.

    How are customer service and support?

    The level one technical support is slow to respond and we usually need to escalate our issue to get a resolution.

    How would you rate customer service and support?

    Neutral

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

    We previously used Azure Site Recovery and switched to Zerto because it is more user-friendly with more features.

    How was the initial setup?

    While the initial deployment presented some challenges and took approximately two weeks to finalize, subsequent deployments have been significantly more streamlined.

    What was our ROI?

    In the event of a disaster, we will certainly see a return on investment.

    What other advice do I have?

    I would rate Zerto an eight out of ten.

    Deploying Zerto in the cloud saves us costs on maintaining on-prem hardware.

    Which deployment model are you using for this solution?

    Private Cloud

    If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?

    Microsoft Azure
    Disclosure: I am a real user, and this review is based on my own experience and opinions.
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    Shawn Woods - PeerSpot reviewer
    US Infrastructure Manager at a pharma/biotech company with 1,001-5,000 employees
    Real User
    Top 10
    Easy to migrate data, great recovery speeds, and helpful support
    Pros and Cons
    • "The journaling is the most valuable aspect of the solution."
    • "Their data backup and restore have some ways to go."

    What is our primary use case?

    We had a specific use case for one of our clients that had a regulatory requirement for backups to be further than what we were already able to give with our current backup structure. We are actually a global company and our global headquarters are in Northern Ireland. We're located in Pennsylvania. We're the North American headquarters. We implemented Zerto, and we replicate on our Northern Ireland site. That got us more business with our clients.

    How has it helped my organization?

    We needed to meet the requirements of the client, and, previous to this solution, we would not have been able to meet the distance. That's why we implemented it.

    What is most valuable?

    The journaling is the most valuable aspect of the solution. The near synchronous authentication is great. It's critical for our organization.

    We haven't had to use Zerto for blocking threats, however, we like that we have it as an option.

    We do not do disaster recovery in the cloud or the AWS platform. It can do it. We just don't opt to use it that way.

    We've used the solution to protect virtual machines.

    It's had a positive effect on our RPOs. Our RPOs are eight seconds. It blows past RPOs out of the water. It's great.

    The speed of recovery is excellent. We've only had to test it and never used it in production. That said, it works better than anything we've used previously. 

    It's easy to migrate data. 

    Its ability to keep users collaborating during a data migration is good. It goes very quickly, so it's not a disruption.

    The impact on our RTOs is great. It far exceeds what we've needed it to do.

    It will save us time in a data recovery situation.

    It's helped us reduce our DR testing. It has gone from hours to minutes under Zerto.

    It enables us to make better use of our staff. We have reduced the number of staff involved in overall DR management. 

    What needs improvement?

    Their data backup and restore have some ways to go. We looked at replacing our traditional backup system with Zerto and found it was lacking about a year ago. We have Commvault, which is very customizable and feature-rich in comparison. Their offering needs to be more robust.

    For how long have I used the solution?

    I have used the solution for close to six years.

    What do I think about the stability of the solution?

    The stability is great. We haven't had any issues with it. 

    What do I think about the scalability of the solution?

    The scalability is very good. It can scale out to quite a lot of VMs.

    How are customer service and support?

    I've contacted technical support once or twice. It was for integration and customization and they've been great.

    How would you rate customer service and support?

    Positive

    How was the initial setup?

    I was involved in the initial setup, which was very straightforward. It took about a day to set up. Two people were involved in the deployment.

    The only maintenance is the annual upgrade. It's pretty much set and forget.

    What about the implementation team?

    We handled the setup with the help of Zerto.

    What was our ROI?

    It's hard to quantify the ROI. 

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

    The pricing is pretty fair. It's competitive.

    Which other solutions did I evaluate?

    We did look into VMware. It didn't meet our requirements.

    What other advice do I have?

    The solution has not replaced any of our legacy backup systems.

    It hasn't helped us to reduce downtime, as we haven't had any yet.

    I'd rate the solution nine out of ten.

    The only issue is that someone would move the VMs involved around. If you have a global team, make sure they understand the strategy and everyone is on the same page so that issues like that don't arise. We had silos on our side and once we dealt with that, we were fine.

    Which deployment model are you using for this solution?

    On-premises
    Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.
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    Oran Turner - PeerSpot reviewer
    ISD Engineer at a financial services firm with 10,001+ employees
    Real User
    Top 20
    Powerful and reliable
    Pros and Cons
    • "The most valuable feature is Zerto's ability to precopy data to a remote destination prior to the actual live migration period. That saves us a lot of time and has been very helpful. For example, if we had migrations occurring in waves over a period of several weeks with a VPG or VPG setup of approximately 50 VMs, that is multiple gigabytes of data, even terabytes in many cases. Having that data already copied on the evening of the migration saves considerable hours of time. It easily saves us four to six hours a night."
    • "The VPG model causes us a bit of concern. We are considering using Zerto to replace Site Recovery Manager. Site Recovery Manager is very easy when we have entire data scores being replicated. We don't have to make any decisions when it comes to groupings. It is all covered. If we move to Zerto, which we are considering, we will have to work much closer with the applications teams to develop the VPG configuration and determine how the VMs will be grouped. It will be a lot more overhead for us to go that route."

    What is our primary use case?

    We have previously used Zerto for data center migration projects. We have another data center migration coming up within the next year where we will be using Zerto as well.

    How has it helped my organization?

    We had pretty strict requirements when it came to cross data center migration capabilities. We wanted to ensure that no plugins or drivers were needed. We also wanted a simple deployment. Zerto very easily fit that bill.

    What is most valuable?

    The most valuable feature is Zerto's ability to synchronize data to the remote destination prior to the actual live migration date. This saves a massive amount of time during the actual migrations, and has been extremely beneficial. Having the data already synchronized on the evening of the migrations makes the final moves fast, easy, and seamless.

    The interface is very easy to use. The product is easy to understand. We have had great success in using it for migrations. The benefit for us has primarily been the ease of use and stability of the product.

    What needs improvement?

    The VPG model has caused a bit of a concern. We are considering using Zerto to replace Site Recovery Manager. SRM is very easy when we have entire data stores being replicated. We don't have to make any decisions when it comes to groupings of VMs. If we move to Zerto, which we are considering, we will have to work closely with our applications teams to create VPGs and determine how the VMs will be grouped. This will probably be beneficial in the long term, but short term it will create more work for our team.

    I spoke to a Zerto engineer who mentioned that we could do a VPG at the cluster level and a VPG at the datastore level. However, the one issue we've seen with VPGs is if the synchronization fails the entire VPG has to be recreated. Even though we can cover our environment at the cluster level or datastore level, that wouldn't be ideal. We really need a simpler solution for DR that will cover all of our VMs at once, instead of spending a considerable amount of time on VPG creation. 

    For how long have I used the solution?

    We have been using Zerto for about three years.

    What do I think about the stability of the solution?

    The stability is very good. All of the components that we set up for Zerto have been very stable. 

    What do I think about the scalability of the solution?

    Scalability has met our needs.

    How are customer service and support?

    Support has been excellent. We had a couple of issues initially with a VPG that wasn't functioning properly. Support was very quick to respond. They were able to assist us and resolve the issue very quickly. We have only had to call support one time.

    How would you rate customer service and support?

    Positive

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

    We also use Site Recovery Manager. SRM does not have the same feature set for migrations that Zerto has.

    How was the initial setup?

    The product was easy to deploy. At the time, the only thing that we wanted to improve was to have an appliance for the ZVM, instead of a Windows server. I understand an appliance is available now. This will be very beneficial in the future.

    The deployment was straightforward. We basically went through the documentation and then had a planning meeting with Zerto. Once we understood all of the requirements we were able to deploy very quickly with really no issues at all. We deployed Zerto in less than a week.

    What about the implementation team?

    We implemented the product ourselves. Zerto's expertise has always been very good.

    What was our ROI?

    Our migrations were all successful. We had no issues at any point during the project. That is what really sold us on Zerto.

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

    The licensing costs are not cheap. It is an expensive product. However, you do get what you pay for.

    Which other solutions did I evaluate?

    There was really no other product that compared to Zerto. Zerto had exactly what we were looking for in a data center migration product. It had the ease of use and interface that we were looking for, that is, very simple and straightforward.

    Zerto's ability to copy the data first, then synchronize just prior to the migrations made it much faster and easier for us to use than other solutions.

    What other advice do I have?

    Understand the VPG configuration. Understand that you will need to make some decisions as to how to cover your VMs. We eventually went with one VPG per VM for our migrations. This is because we discovered if the VPG has a problem, then you need start over and recreate the VPG. If you choose to cover 50 VMs on a VPG, and if that VPG fails for some reason, then you need to restart the whole process. So you need to consider your VPG design and how you are grouping your VMs.

    We haven't used it yet for disaster recovery, but that is something that we will be looking at over the next year.

    We have had great success with the product. It is one of the very few products that we have recently used that literally had no issues and worked exactly as designed. At every single point in our migration, it was successful. We had multiple migration waves that occurred over a period of a year and a half. We literally had no failures during that entire time, which is of rare in the industry and made us very happy. Now that we have another data center migration project coming up, we decided we were just going to go straight back to Zerto.

    Which deployment model are you using for this solution?

    On-premises
    Disclosure: I am a real user, and this review is based on my own experience and opinions.
    PeerSpot user
    Enterprise Data Management Supervisor at Southern Farm Bureau Casualty Insurance Company
    Real User
    Instead of one mass disaster recovery exercise, we're easily able to perform up to 12 in the year
    Pros and Cons
    • "In situations of failback or moving workloads, it saves us hours. If I were to have to move a four or five terabyte machine using something like VMware's virtual copy it has to install on the machine and copy the data over. Then it has to shut the machine down and do a final copy, which means there's a lot of downtime while it's doing the final copy."
    • "The interface is the only thing that we've ever really had an issue with. It's gone through some revisions. The UI, it's not clunky, but it's not as streamlined as it could be. Some of the workflow things are not as nice as they could be."

    What is our primary use case?

    We use it for disaster recovery and to migrate machines from one location to another.

    How has it helped my organization?

    The big thing for us was our disaster recovery. At that point, we were only able to do a disaster recovery test once a year. Now, we officially do a disaster recovery test once a quarter and we do a subsequent test once a month to verify that it's doing what it's doing and the IP address is changed. Instead of one mass disaster recovery exercise, we're easily able to perform up to 12 in the year.

    It allows us to verify in a much more granular aspect whether our data is being migrated or not. Once a year, if we find some issues, we're at least 11, 12 months behind at that point. Every 30 days, if we do a test and we find an issue, we're able to correct that. The time between tests is shorter, which means that if there is a problem we're able to resolve it in a much shorter amount of time versus an entire year, and then waiting another year to see if everything is working again.

    When we need to failback or move workloads Zerto decreases the time it takes and the number of people involved. We are able to put a machine into Zerto, let it do its magic in migrating the data from one side to the other. We've had instances where we've got machines that are four or five terabytes that we can move from one side to another after it's done synchronizing in 15 minutes or less. Sometimes it takes DNS longer to update than it does for us to move the machine.

    Instead of me having a server person, a network person, and a storage person, I can put it into Zerto, let Zerto do its job, fail it over, and then just have the application owner verify that the server is up and running, and away we go. So on a weekend, I don't have to engage a team of people, it can just be myself and one other person to verify that the machine is up and running. It really cuts down on overhead for personnel.

    In situations of failback or moving workloads, it saves us hours. If I were to have to move a four or five terabyte machine using something like VMware's virtual copy it has to install on the machine and copy the data over. Then it has to shut the machine down and do a final copy, which means there's a lot of downtime while it's doing the final copy. As far as downtime from an application standpoint, with Zerto, we're from hours down to minutes, which is great when you have applications that are supposed to be the five nines of a time kind of thing.

    We have not had any ransomware issues. But we have had an instance where somebody installed something that messed something up. It was a new version of Java and we were able to roll back. Thankfully they realized it fairly quickly because we only keep a 12-hour window. We were able to roll back to almost a per minute instance prior to that installation and recover the server in minutes. Our backup was as of midnight, but they did it at 8:00 in the morning. So we didn't lose eight hours' worth of processing.

    If we were going to use our backup solution, it would have taken minutes to restore the actual server, but then from an SQL perspective, we would have had to roll the transaction logs from backups. I couldn't even tell how long that would have taken because we had to do all of the transaction logs, which are taken every five minutes from midnight, all the way to 8:00 AM in five-minute increments. It would have taken considerably longer using traditional methods versus Zerto.

    Although it hasn't reduced the number of staff involved in overall backup and disaster recovery, what it has allowed us to do is actually focus on other things. Since Zerto is doing what it's doing, we're able to not have to stare at it all day every day and make sure that it's working. We have the screen up to make sure there are no errors, but we're able to focus on learning how the APIs work, working on the other products that we own for backup and storage. That's mainly what my group does, we do disaster recovery and storage backups. We have six pieces of our enterprise and before it was just the main piece that we were working on. Now, we're able to actually work with the other five or six entities and start doing their backups and disaster recovery because we have a lot more time.

    What is most valuable?

    The failover capabilities are definitely the high spot for us. Previously, when we did disaster recovery it would take us easily a day or two to restore all of our servers. We can do the same thing with Zerto in about an hour and a half.

    We're about six or seven seconds behind our production site and it does a really good job of keeping up, making sure that we're up to date. That's one of the other things that we think is just phenomenal about the product, we're able to get in there and put a server in and within usually a few minutes we're protected. Six or seven seconds behind is a pretty good RPO.

    Currently, we are using another product for longterm retention, so I don't think we really have any plans on switching over at this point.

    Zerto is very easy to use. We did a proof of concept and it took longer to build the Windows servers that had to be installed than it did to actually install it and roll off the product. Our proof of concept became production in minutes.

    What needs improvement?

    The interface is the only thing that we've ever really had an issue with. It's gone through some revisions. The UI, it's not clunky, but it's not as streamlined as it could be. Some of the workflow things are not as nice as they could be.

    I like the fact that Zerto does what it does and it does it very well. I have had Zerto since version four, so the longterm retention and things like that were never a part of it at that point. I just like the fact that I can install it, I can protect my virtual machines, and I'm comfortable and confident that it's doing things correctly because of the amount of testing that we've done with it.

    For how long have I used the solution?

    We have been using Zerto for a little over three years. 

    What do I think about the stability of the solution?

    It's very stable. Once a month we verify that the internal mechanisms of Zerto are working. When I do a test failover we check if VMware tools come up, if the IP addresses change, and the things that Zerto is configured to do automatically. Usually, if there's an issue, it's either I did something wrong when I configured it, or I put in the wrong IP address or the VM itself has an issue, the tools aren't loading correctly or at all, or it was trying to do an upgrade and failed. We've actually been able to identify other issues inside the environment that we would not have realized were an issue by doing these tests.

    What do I think about the scalability of the solution?

    Our next step is not so much increasing the capacity but protecting things to the cloud. We'd like to be able to take those same 350 machines or so do we have, and definitely, if not the important 50 that we have, but all of them, have them not only go to our disaster recovery site but also split to AWS. It's where we have both of the sites, one in one location and one in a vastly different location and if for some reason, one were to go offline, we would have those objects in AWS to be able to spin up and do what we need to do.

    We ramped up from that 50 to 350 within a year and Zerto just took it and kept on running. We are still about the same RPO as we were before, we're protecting 60 plus terabytes of data at this point with those 350. It did what it had to do to create new virtual machines, depending on how many disks there are. I think that I was able to scale with our needs really easily. 73 terabytes are what we're protecting right now across 357 VMs, and we have a seven-second RPO. It went from a small number to a very large number. The issues that we've had around Zerto protection has either been that networking wasn't sufficient, or the storage itself had to be increased.

    There are three of us who work with Zerto, that's it. We do contact other teams, often our networking team to get an IP address for something. But when it comes to doing the testing, when it comes to doing the implementation, and when it comes to doing verification processes, it's all my team of three people.

    I am the data management supervisor and then I have a lead storage administrator and a senior storage administrator.

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

    Prior to Zerto becoming our disaster recovery product, we were using Dell EMC's Avamar for backup recovery and for disaster recovery, which we quickly realized was not going to work out very well. We used it for about four or five years. When your disaster recovery test is five days and you take one and a half to two days to do restores only, that doesn't leave a lot of time for testing. Now, we're able to do the restore in an hour and a half. Then we actually can start testing the exact same day that we did the restores. In most instances, we're able to actually finish everything within 24 hours.

    When we first purchased it, the backup portion did not exist. So having backup and DR in one platform really wasn't that important to us. We use Rubrik for backups and longterm retention at this point. We really don't have any intent on using Zerto for longterm retention, as we're extremely happy with Rubrik. But time will tell if we decide to switch over to the LTR portion of the product.

    Compared to Avamar, Zerto is extremely easy to use. I can bring Zerto up and start recovering, failing over, or testing machines before I can even log into Avamar. Avamar was very clunky from its interface. It's very easy for Zerto to go in and recover a machine to a certain point in time. Where moving around in Avamar, since it was Java based, would take quite a long time to get from screen to screen. And the workflow was not user friendly at all.

    We have different use cases for Zerto and Rubrik but I think that the interface and functionality, as far as what I get out of that particular product, what its purpose is, they're both about on par. Honestly, we've told both companies before, we would love for one to buy the other so that we can get the best of the disaster recovery with Zerto and the best of backup and recovery, longterm retention type things with Rubrik. Because they definitely are probably the two best products for their market segment.

    Replacing Avamar has saved us on the cost needed to manage them. As far as management goes, we still use the same three people. But as far as renewal maintenance costs, definitely. Dell EMC is very proud of their products and their renewal maintenance costs were rather large compared to what we do with Zerto.

    Initially, we saved about $1,000,000 three years ago by switching to Zerto. Zerto and Rubrik replaced Avamar. But buying both products together, versus what the renewal/upgrade costs would have cost us for Avamar, with all the hardware, was a savings of $1,000,000.

    How was the initial setup?

    The initial setup is very straightforward. I built a couple of virtual machines to run the manager on, deployed some VRAs, and then attached it to VMware and checked what I wanted to protect. We probably had it up and running in about an hour total. Then we tested protecting some machines, and we had some test boxes that we tested back and forth. It was a very easy setup. People are definitely sold about how easy it is to install and configure.

    Initially, our deployment strategy was to protect a small subset of very important machines for an enterprise. And then once we saw how easy it was to implement, how easy it was to put things in there, and how easy it was to protect them, it went from a handful of machines to 350 or so. The initial intent was to protect a very small number. That went from that to a very large number very quickly. Zerto was able to handle it no problem. We actually had to end up buying more storage on the target side because we had not planned on doing that many machines from the initial implementation.

    What about the implementation team?

    We worked with our account team. We were able to get the proof of concept software, a link to download it. They gave us a key, they gave us a little Excel sheet stating how many machines and IP addresses we needed. Then they basically sat on the phone with us for the hour with WebEx. And we set it up just that moment. That's really the only implementation help that we've ever gotten from them. Everything else has just been pretty much us on our own.

    Their support has been very, very good. We've had some technical issues that we've been able to work through with them. Nothing major, but if I have a question or if we run into an issue, we're able to either open up a support ticket and they respond fairly quickly, or we are able to do some searching in their knowledge base. We've had an instance where we did the upgrade to a new version and it caused some problems. But within, I'd say a few hours, we were able to correct it because they had already experienced that. And they had that logged in their internal database of issues. So, they were able to log in, and give us the fix that we needed and get us back on track.

    What was our ROI?

    It definitely is a very robust product. The feature set from 4.0, 4.5 to now has increased greatly. We do like the fact, even though we're not using it, that as long as I pay my maintenance when the new features come out like longterm retention, analytics, the monitoring, the reporting, the things that were not there when we first purchased it that are there now, is all part of maintenance. It's not a bolt-on price. They don't charge extra. It was one of the things with Dell EMC that was always a pain was. They had additional costs. With Zerto it's like, "You paid your maintenance, here's a new feature, enjoy!"

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

    They have licensing breaks as far as 50 users, or 50 VMs, 100 VMs, 250 VMs. We ended up with a bunch of 50 at first, and all of our maintenance renewal dates were all different. It ended up costing us more because we didn't just make the investment up front to say that we wanted 250. We had to end up going back and resetting all of our maintenance dates to the same date. It was just a nightmare for our maintenance renewal person. If you did a proof of concept and you like it, definitely make the license investment upfront. That way, you're not trying to piecemeal it afterwards.

    Licensing is all-inclusive, there are no hidden fees.

    Which other solutions did I evaluate?

    We looked at RecoverPoint for VMs. A long time ago, one of the companies inside this enterprise had used RecoverPoint and it worked really well when it was the physical RecoverPoint. But as things became more virtual, it no longer was as good as it had been, so they had discontinued it. RecoverPoint for VMs was definitely not as easy to set up. It was not as easy to use. It took a lot more resources. This is three-year-old information, but I feel like we would have had to have had more people on our team than we do now with just the three of us. We didn't feel like it was as stable. It certainly wasn't as easy to use, test, or get to work as Zerto was.

    What other advice do I have?

    My advice would be to do the proof of concept. They're very willing to help you with the installation. Do a proof of concept. If you're not amazed by it, I would be surprised. Everybody that we've ever talked to about this and have done a test of it says, "I can't believe it's just that easy."

    I would rate Zerto a ten out of ten. 

    Which deployment model are you using for this solution?

    On-premises
    Disclosure: I am a real user, and this review is based on my own experience and opinions.
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    Updated: June 2024
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