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Reviews from AWS customer

11 AWS reviews

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    Steve McFate

Helped us streamline our DR testing and notably reduce associated downtime

  • June 23, 2023
  • Review provided by PeerSpot

What is our primary use case?

We use Zerto as our disaster recovery solution for our servers in the multiple data centers we have. It allows us to replicate our servers from one data center to another and perform disaster recovery testing to ensure compliance with our organization's DR requirements.

Our organization wanted a solution for replication, whether for VMs or Azure sites, and the ability to migrate servers or VPGs in case of a disaster or for testing purposes. And we wanted something reliable.

How has it helped my organization?

We're migrating out of one of our older data centers currently, and sending them to either Azure or one of our two VM data centers. We've been working on getting all the servers out of the old data center for a year. Being able to migrate those servers, with the help of the service teams, is one of the best features. Instead of having to do them one at a time, we can build a VPG. That is especially helpful with some of these really large VPGs. We did one a couple of months ago that was 36 terabytes. We were able to migrate that entire VPG at one time, watch it replicate once it was there, and then do the reverse replication. That process has been amazing.

We use Zerto to protect VMs and our RPOs are very solid. The RPO is a little slower for Azure, but that was expected and it was covered in the documentation that Zerto provided. But the RPOs from one VM center to another are solid. The same is true for our RTOs. We have no complaints in that regard at all.

And it will definitely help reduce downtime if we have to migrate from one data center to another due to a disaster (which we have not had to do so far). Downtime would cost us a lot, no doubt. We have not had any major disasters as of yet or problems with spyware or ransomware. But we have had instances where a server was corrupted in one data center and because it was backed up with Zerto, we were able to fail over to the secondary site and get the VPG back up very quickly. From the time that the decision was made that we needed to fail over, it took around 30 minutes. It was very quick, especially compared to trying to troubleshoot and rebuild. Our patients weren't affected.

The platform has also helped us to streamline our DR testing. We're able to do our annual test as quickly as possible, whether it's a failover rollback or a system move. It has made that process much much quicker and a lot less painful.

I've only been in this position for a year, but from what I've heard, DR testing was not a pleasant experience prior to moving to Zerto. They were always having failures and then would have to set up another downtime and test again. With a lot of our applications, those that are tier-ones, we're having to do the DR test at 1 AM or 2 AM. Nobody wants to have to do a four-hour downtime test multiple times.

And not having long downtimes for DR has helped a lot. Our customers and service teams know that we have to do these tests once a year to stay compliant. We plan for a four-hour downtime every time we do a DR test. Very rarely do we need four hours. We block out that time just in case there are issues we didn't expect but we're usually done in under two hours, including failing over, doing the testing, rolling back, and testing again. I don't know if you can actually put a number on not having downtime, in terms of the impact on the service teams, nurses, or patients.

Right now, our DR team is just me and my boss. At one point, there were three people on the team. It says a lot about Zerto when it can be used with a minimal staff for DR. Prior to moving to Zerto, the team had four members. So it was double what it is now.

What is most valuable?

The replication works really well. We perform multiple tests a month and annual tests for our tier-one and many of our tier-two apps. We need to make sure we can quickly and reliably migrate VPGs to the backup data center in a disaster scenario. Migrating systems as a failover rollback or a system move are two of the functions that I like the most.

It's also very simple to use. For example, when we need to move data so that our users can keep collaborating with one another, using Zerto is very simple. Putting the servers into maintenance mode and either moving or testing them for our teams, has worked very well. We have found very few hiccups with any part of the solution, especially with the new version that they released recently.

The near-synchronous replication-also works really well. When you move or have just built a VPG, watching it step through things is great. It's a well-made product. Near-synchronous replication is very important, making sure that it's done properly and that it's complete.

We have Azure data centers. When migrating out of our older data center, if we find that Azure is the best place for those new servers, we have been migrating them there and doing the DR test at the same time. I haven't found any problems with migration to the cloud. For our applications that will work in Azure, Zerto's disaster recovery in the cloud has worked really well.

What needs improvement?

I turned in a ticket a while back when I found a glitch within Zerto. When building out a VPG and doing the machine types within Azure, they were not coming across correctly. It would say it had a CPU and memory of a specific type, but it was not accurate. When I sent that ticket in, the support manager said that it hadn't been found before, but that my report was accurate and that it was a bug, and that they were working on it.

But I've been very pleased with the updates that they put out and the service. I don't have a lot of negative things to say about Zerto.

For how long have I used the solution?

I've been in this position for a little over a year and have been using Zerto during that time.

What do I think about the stability of the solution?

I've never seen it go down. It has been stable and easy to use, which are some of the main reasons we're still with them. We haven't had any large bugs with it. The software seems to be well-tested before new updates go out.

What do I think about the scalability of the solution?

We have it deployed across three on-prem data centers in two different states, plus the two different Azure sites that are also out of state.

We've added a couple of new data centers since I've been in my position and adding them to our Zerto interface was not very difficult. The scalability is good.

How are customer service and support?

Whenever I have had any issues, I have contacted support and they have been knowledgeable. Getting a hold of Zerto's support has been easy. In general, compared to all the other applications that I've ever supported in my career, Zerto has been one of the easiest to contact and actually get help with. I've worked with some vendors that were really difficult to work with.

Overall, Zerto's technical support has been fantastic. When I've had issues, submitting a ticket online is fast. In all but maybe one instance, I had a callback within just a couple of hours. Their support has been awesome.

How would you rate customer service and support?

Positive

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

Our organization migrated away from a couple of other solutions prior to my starting this position. But the disaster recovery manager that I work for has said multiple times that Zerto is the easiest solution and has the most robust features compared to whatever they were using prior.

I know our organization still uses Veeam, but they do so in tandem with Zerto.

What was our ROI?

There is an annual cost for Zerto, but that is something that our director level works through. Our organization, St. Luke's, goes through all vendor contracts looking for the best value. The fact that we have been using Zerto for a few years says that the value must be there compared to other vendors.

Not having to take down our tier-one system for an extended period of time for DR testing is invaluable. You can't put a dollar value on the impact on a patient's life. We need our systems to stay up constantly because they are what keep people alive.

What other advice do I have?

In terms of maintenance of Zerto, we do our monthly reboots of the servers so that they stay up to date with the Microsoft patching. And anytime that Zerto has updates to their software, we make sure that we stay compliant with that. And once every year or 18 months, we update the cert on the servers.

My advice is to look for a product that is easy to use and easy to learn and allows for scalability and DR testing that works well.


    reviewer2191422

Runs behind the firewall to help block unknown threats and attacks

  • May 23, 2023
  • Review provided by PeerSpot

What is our primary use case?

We use Zerto for disaster recovery purposes. We do not use Zerto for backups, only for the redundancy of the data center.

How has it helped my organization?

Zerto uses a rapid user interface that is user-friendly. Zerto's Near Synchronous Replication is helpful for our 12,000 servers.

Zerto runs behind the firewall to help block unknown threats and attacks.

The solution has improved our RTO and we rarely experience any issues during failovers. We use Zerto on-premises and Azure for the cloud. We have a very good RTO whenever we have a failover from Zerto to the cloud.

Zerto reduced our downtime by approximately 15 percent by increasing our recovery speed. Zerto also helped our organization's disaster recovery testing by reducing the time it takes to bring up virtual machines on the DR side to 15 minutes.

Because Zerto's GUI is user-friendly, it is easy to execute a failover, so we require 1/3 of the employees to perform the task during recovery situations.

What is most valuable?

Our RTO is quick, and we can recover five to ten terabytes of data within minutes of a failover.

What needs improvement?

Zerto's effect on our RPO can be improved. When we have a VPG, we typically have multiple VMs and more than ten terabytes of data. This can cause long failover times due to data limitations, and sometimes the VPG can become full.

The technical support response time could also be improved. We often have to follow up multiple times to get a response, and when we do get a response, it is not always from the correct person who can handle our case.

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 have around 3,000 people that use Zerto in our organization. Zerto is deployed in multiple environments and multiple databases in two countries.

How are customer service and support?

The technical support's response time is slow.

How would you rate customer service and support?

Neutral

What was our ROI?

We have seen a return on investment with Zerto.

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

Zerto is more cost-effective than Azure.

What other advice do I have?

I give Zerto an eight out of ten.

We wanted a solution that would help us reduce our recovery time objective, and Zerto does just that.

We use VPGs to maintain data consistency in our environment. We do this by placing multiple servers in a single VPG, which belongs to the same application or database.

Zerto can recover data quickly when the data size is under ten terabytes. However, recovery can be slow for data sizes that exceed ten terabytes.

The distance of our data transfers will affect the RTO. Data transfers within one region will be quicker than those across multiple regions.

We also use Azure Cloud and are currently migrating Zerto to the cloud. Both use a GUI interface and both have good failover tests.

I recommend Zerto but it does have data limitations when using a single VPG.


    Dustin Adrian

Instead of using SQL Always On, we protect the whole VM, saving us server costs, but management overhead has increased

  • May 15, 2023
  • Review provided by PeerSpot

What is our primary use case?

We use it for migrations and VM protection.

How has it helped my organization?

The near-synchronous replication is very good. It's very critical for us. For example, with SQL, we used to use Always On to protect databases at the database level, to give us high availability and DR. But now, in Azure, we don't do that. If we wanted to do that, we would have to have a SQL Server on the protected site and another up and running on the DR site and those machines would always have to be up and running. To save on costs, instead of using Always On, we're now protecting the VM as a whole, thanks to Zerto.

It's also the main tool that we use for our annual DR tests for all of our production applications. Once a year, for one week only, we do a failover of those critical production applications from the primary site to the DR site and we let them run there for that week. Zerto does the failover and the DR site becomes the active site while everything replicates to the former primary site. Once the week is over, we do a failback and Zerto is the main tool that we use for that, and we repeat the whole process. We're then good for the whole year. Zerto is protecting those VMs.

Another advantage is that Zerto has decreased downtime for us. It could have been a situation where we were down for weeks because of something that Azure did on their end. Even though Zerto has a partnership with Microsoft Azure, sometimes Azure makes changes that are disruptive. There was one change that affected our ability to replicate our critical workloads and it was a rough one. For that week, Zerto found a workaround because they were not getting any progress on resolving the situation from the Azure team. Zerto applied the workaround in their code and we were good, but that was a rough situation. Zerto goes out of its way to help its customers. We've had issues but Zerto has been very responsive.

What is most valuable?

The quickness and efficiency of creating snapshots, on a real-time basis, is one of the most valuable features. Whenever changes are made on a server, Zerto starts taking snapshots right away and replicating them to the DR site. It's very effective and very quick. Our SLAs are 24 hours, but Zerto could do what we needed, on-prem, in seconds, and in the cloud, in minutes. Zerto is way ahead of what our SLAs are.

Sometimes we do failover tests to make sure that we will potentially have a successful failover or migration. It's very flexible and does its job very well. And one of the things I love about the product is that whenever you do a failover, it gives you the ability to either commit or roll back. Some of Zerto's competitors don't have that ability, at least in Azure. That's critical for us because after we have DR tests on a weekend, we have users sign off on their applications that everything is fine. If something isn't right, we can always roll back to how everything was right before we started the DR test. And if everything is working great, then we commit.

What needs improvement?

Since we are primarily in the cloud now, Zerto definitely needs to update its platform. When we were decommissioning one of our on-prem data centers and going to Azure, there were issues. And with Azure, it's still limited in the way we can manage our resources there. Zerto hasn't quite kept up to date with how certain elements run within Azure.

In Azure, there is something called resource groups. You cannot create a resource without a resource group. You can apply tags to resource groups and that tagging information is very critical to our company because we now have 95 percent of our production environment workloads running in the cloud. We have to make sure that every resource group is tagged correctly, with the correct team and department because we have to bill them at the end of the month. The problem is that Zerto does not have that ability. When the product fails over or migrates a VM from on-prem, or even within Azure, to another site, it does not give you the option of selecting an existing resource group.

When it fails over, it uses the name of the group that you created within Zerto. The VM is failed over with no problem in a reasonable amount of time. But the problem then becomes that the resources are part of a resource group that has no tags. It does not follow our naming commission for resource groups and then we're stuck. It's not as easy just renaming the resource groups.

These components are very critical for us but they are missing in Zerto. They're aware of it because we've had feature-request meetings with our Zerto account team. They're working on it for the next release and have mentioned that they are going to be making improvements to the product. But for now, it's lacking.

Also, a downside with Zerto is that there is a lot of management overhead when running it in the cloud. On-prem, we used to have one Zerto management appliance, but in the cloud, we have about 20 to manage to protect our VMs. Zerto has mentioned to me that, for the next release, they're building it from the ground up and it will be much better in the cloud, with more cloud focus.

Because of the experience that I had with Zerto running on-prem, where we only had one appliance in each of our data centers, I deployed one in Azure as well. Little did I know that there were limitations and that more appliances had to be deployed because of all the replication of the traffic and the number of VMs that we were trying to replicate. But Zerto stepped in and helped when it came to that.

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?

The stability is an eight out of 10.

What do I think about the scalability of the solution?

The scalability is also an eight out of 10.

How are customer service and support?

They're very helpful. They always want to understand your situation and, even if they're not sure, they do their best to help and fix the problem.

For on-prem, there were always references, but for the cloud there is a bit of a knowledge gap. I would always get workarounds, fixes, or KB articles for on-prem, but the cloud implementation is where the documentation is lacking. But the team does its best. It depends on who you get. Some know Azure, or cloud, and some still lack that knowledge. But if they don't know, they get the right person on the call.

How would you rate customer service and support?

Positive

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

We were a VMware shop on-prem and we were migrating to the cloud from on-prem VMware to Azure, so the tool that we were using to protect VMs through DR would no longer work. We used VMware SRM (Site Recovery Manager) for years when we used to be solely on-prem.

We started looking for a product to help and, at the time, Zerto was the one that stood out among the competitors, and it was a solid product, so we started using it. Zerto is definitely a more effective product. It is a lot quicker when bringing our VMs up on the DR side, and even when we do a fallback. And Zerto is a lot easier to use than VMware.

How was the initial setup?

The initial setup was not straightforward.

And maintenance is required for upgrades when there are newer releases, especially when it comes to Azure. There are newer releases that contain fixes and improvements and we do update the version of the Zerto appliance. They are running on Windows Servers, so we also have to patch the operating system. In Azure, there are a lot of SKUs with different pricing. Depending on the utilization of a VM, we sometimes make changes to the family types to save on costs at the VM level.

What about the implementation team?

I did it with our Zerto account team, which included our sales engineer. Just the two of us were involved.

What was our ROI?

Zerto saves us a lot of time. One team member alone can handle the DR test using Zerto, whereas before, when we used SRM, at least two or three people were involved from the VM perspective and from storage. VMware was integrated with our NetApp environment and that meant at least two or three team members were involved. But with Zerto, just one person uses the product for a DR test.

Which other solutions did I evaluate?

We looked at Azure Site Recovery. We were close to going with it. It did have the ability to do resource group selection, but there were two showstoppers at the time that prevented us from going forward with it.

When we were looking at Azure Site Recovery, it seemed that it had a better cost per VM, but Zerto was not that far off. And we were more comfortable using Zerto to protect our VMs than the other products we were testing.

What other advice do I have?

My advice is that if you're in the cloud, you really should test the failover of your VMs. If tagging is not a key component, you'll be fine. But if it is, that is a huge problem. And expect a lot more management overhead when it comes to managing Zerto in the cloud.

In terms of our RPOs, Zerto is consistent. From time to time, it may run past our SLAs, but that's because there are network or VM issues. And that happens very rarely. It almost always meets our RPOs.

The ease of moving data varies on the size. A good thing about Zerto is that it does give you a little chart indicating the step that it's at in the replication process. But even if it's a small VM, it does take some time, including setting it all up and starting the synchronization. It's not instant.


    reviewer2180742

Helped our organization by merging many different technologies into one, including desktop virtualization and replication

  • May 10, 2023
  • Review provided by PeerSpot

What is our primary use case?

Currently, we use Zerto to replicate our production visual systems at our disaster recovery site in Germany. This allows us to easily meet our RTO and RPO.

How has it helped my organization?

Zerto is easy to use. Zerto is the leading disaster recovery solution.

Zerto's synchronous replication is important for our organization.

Zerto has helped our organization by merging many different technologies into one, including desktop virtualization and replication. Previously, we used to hire other providers for these services, but now we have everything in one system, saving us around 30 percent. For example, we used to have to keep a copy of our data on Veeam Backup, but now we can store it all in Zerto. This saved us time and money, and it has also made our IT infrastructure more reliable.

With Zerto, we are meeting our RPO better. Previously, it took us 20 minutes and now it is five seconds.

With Zerto, we have the best RTO.

In our simulations, we observed a reduction in downtime when using Zerto.

Our recovery time with Zerto is excellent in data recovery situations, such as those caused by ransomware. We can save around five hours compared to other solutions.

Zerto reduced the number of people involved in our data recovery by 30 percent.

What is most valuable?

The most valuable tool is the dashboard, which allows us to immediately check the DLP status, replication data, and all other data needed to have cleaner and immediate control of the situation.

What needs improvement?

File management can be improved. Zimbra is the only platform that allows for file replication.

The technical support has room for improvement.

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 a stable solution.

What do I think about the scalability of the solution?

Zerto is scalable. We have around 200 users.

How are customer service and support?

The technical support is average. We have had some cases where we were not as comfortable with the outcomes as we were with other solutions.

How would you rate customer service and support?

Neutral

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

We previously used a custom solution, but we switched to Zerto to unify our systems and improve visibility.

How was the initial setup?

The initial setup was simple. We were able to deploy one FPE every two weeks. One person was involved in the deployment.

What about the implementation team?

The implementation was completed in-house.

What was our ROI?

We have seen a return on investment with Zerto, which saved us 30 percent of our costs and improved our disaster recovery time.

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

The price is reasonable.

Which other solutions did I evaluate?

We did not evaluate other solutions because we were confident that Zerto was the best, as indicated by the Gartner chart.

What other advice do I have?

I give Zerto an eight out of ten.

Zerto is deployed to replicate our on-premises and virtual infrastructure data between our two offices in Germany and Italy.

Zerto requires around two hours per month of maintenance.

I recommend that new users take advantage of Zerto's flexible license program to buy one or two licenses and try them out before fully committing.


    Louis Ames

It's much faster and cheaper than our previous solution, but it's been unreliable in our environment so far

  • May 05, 2023
  • Review provided by PeerSpot

What is our primary use case?

We use Zerto for disaster recovery, backup, and ransomware protection. The 3-2-1 backup strategy requires us to have two backups of our production data on different media. One copy is on disk and tape backup, and the other is hosted off-site for disaster recovery. With journaling and the persistent backups we take nightly, it almost obviates 3-2-1 because it renders some unnecessary aspects.

How has it helped my organization?

We adopted Zerto, hoping to speed up our recovery time and improve the overall security of our environment and data. We haven't realized the full benefits, but I expect we will improve our security posture and disaster recovery speed.

Zerto would enable us to do cloud-based DR instead of a physical data center, but we are based in a very rural area of Colorado. We're deep in the mountains, so leveraging the cloud is challenging. We have little-to-no cloud presence, but Zerto can enable us to move our disaster recovery into the cloud because it is agnostic to the backup target. That could easily be a cloud provider. We only need redundant and reliable circuits to the cloud.

The impact on our RTO is theoretical because we haven't had to do any critical recovery. Based on our testing, it should significantly improve our RTO because the backup technology is more efficient than our previous solution. RTO is one of Zerto's strengths. Zerto enabled us to test our DR plan. Our disaster recovery needed a lot of help when I joined two years ago, and it's one of the projects I have been working on. Zerto is central to our DR plan. It's the primary cog in that machine. Zerto cut our hardware and maintenance costs by about 50 percent.

What is most valuable?

I like the fact that Zerto is target agnostic. It doesn't care what type of storage it writes to. The journaling is also excellent. You can easily and quickly restore to seconds before an event. The immutable data copies feature is one reason we adopted Zerto. That's one of its selling points.

Zerto is easy enough to use. It's as usable as any other backup solution. We're accustomed to dealing with complex options and everything available to us in the suite.

What needs improvement?

I tried a file-level recovery, which should work on any server. However, the server we need to protect the most is the one giving us problems. We couldn't do a file recovery without restoring the entire server to a recovery partition that isn't part of the production and pulling the files off it that way.

Zerto's near-synchronous replication is excellent when it works. I'm trying to be nice to them because I like the product a lot, but we're having a lot of difficulty with it in our environment.

There is a disconnect between the sales pitch and what we can do with Zerto in practice. We've been trying to reconcile that for most of the year. There should be more continuity between sales and implementation to ensure the solution is implemented how our presales engineer pitched it to us.

They need to have some accountability. Maybe the implementation engineer should be on the line so that they know what is presented and agreed upon regarding the implementation in our environment. The implementation should have been precisely what we were expecting.

I was part of the pre-purchase team as the information security manager. I handed it off to my infrastructure team to implement, and they practically had to start from scratch. Zerto handed it off to their professional services to implement, and I assigned the job to my team.

There were a lot of questions and things Zerto couldn't do on its end. HP purchased Zerto as we were engaging with them. I don't know if that was related to our frustrations, but I know that acquisitions can make a product messy for a bit. I don't want to blast Zerto. It's an excellent product, and I would love it if it could work as advertised. I've seen it do some of that for us. We've had a rough start, and we're still trying to find that sweet spot.

For how long have I used the solution?

I have used Zerto for nearly a year.

What do I think about the stability of the solution?

Zerto isn't reliable in our current environment. We keep running into these weird little issues. At one point, we didn't have complete backups on a couple of key servers for more than a week because of this issue. If we had gone down that week, it would have been ugly.

What do I think about the scalability of the solution?

Zerto seems pretty scalable. We bought something that we can add on to and increase the horsepower. Every change we've made has been smooth.

How are customer service and support?

Their support and account management teams have been pretty amazing. They are bending over backward to make it right with us, so they deserve a lot of credit for that.

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

We used Avamar. Zerto's recovery is faster, and it's a little more straightforward. Zerto is an improvement in RPO, RTO, ransomware protection, immutability, and cost. Avamar costs nearly 75 percent more. There's no significant difference in ease of use.

How was the initial setup?

I wasn't involved in the initial setup. After the deployment, there is a lot of maintenance. It throws out lots of errors, and we sometimes need to rebuild some of its components. Our backup guy is a little frustrated at times.

What was our ROI?

We haven't seen a return aside from saving money on the annual license because we've had to invest so much time into getting it to work.

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

Zerto's price seems fair. It's competitive.

Which other solutions did I evaluate?

Dell Avamar for Data Domain offers functionality similar to Zerto, but we weren't taking advantage of it. We also looked at Rubrik, but it's a cloud-based solution, and it's a little costly. We're not in a position to leverage cloud solutions at this time. Avamar costs too much to get the same features. Doing a rip and replace was more economical than keeping the hardware in place and adding the functionality.

What other advice do I have?

I rate Zerto a six out of ten. I only give it a low rating because of the issues we've faced lately in our environment. If we didn't have those issues, I'd probably give it an eight.

If you plan to implement Zerto, I suggest double-checking everything. Confirm the configurations and ensure your backup targets are sufficiently sized. You must know what you want from the product, and that requires guidance from the sales engineer. Make sure the plan is solidified and you have a document that spells the whole thing out.


    reviewer2118312

The solution can achieve very low recovery point objectives due to its efficient use of resources and compression techniques

  • March 02, 2023
  • Review provided by PeerSpot

What is our primary use case?

Zerto is primarily used for disaster recovery. In rare cases, it is also used for backup, but only for long-term storage.

We deployed our on-premises infrastructure in two data centers in Russia located in two cities, and multiple regions with combined infrastructure. We also had two data centers in Europe.

How has it helped my organization?

Zerto is extremely easy to use. When I started to pilot the product in 2016, I was able to deploy all required components in one or two hours without any help from Zerto engineers. I only used the provided documentation and user interface. In the years since my engineers have also had no issues with the implementation or configuration of the product. Zerto's ease of use is one of its best features.

To ensure good synchronization and replication of changes in a timely manner, we need to have a very good storage subsystem. In our case, we replaced our old storage subsystem with a new one that is based on full flash storage. After that, Zerto started to replicate changes at lightning speed. Many companies experience issues with Zerto if they do not have full flash storage. When full flash storage is implemented, Zerto is the best replication solution because it is highly dependent on the latency of the storage. Therefore, any kind of storage that is not based on full flashes, such as hybrid storage that combines flash and disks, is not a good foundation for Zerto implementation.

Prior to implementing Zerto, our disaster recovery tests had a 70 percent success rate. After implementing Zerto, all DR tests were 100 percent successful. This represents a significant improvement in our DR capabilities.

We used Zerto to replicate our virtual machines from our primary data center to our disaster recovery data center in another city over a single connection.

Zerto can achieve very low recovery point objectives due to its efficient use of resources and compression techniques. However, our company has different RPO requirements for different-sized companies. Since our company is small, our standard RPO is four hours. Zerto exceeded this requirement by achieving a typical RPO of about 15 seconds.

Zerto is a very easy and fast tool to use. However, it is important to note that Zerto requires some time to accept changes after migration. This means that if we do not finish testing within the required time frame, we may run into issues with storage space, as Zerto will continue to collect logs and other data. If the testing period is short and we are comfortable switching between data centers frequently, then we should have a very good experience with Zerto. Compared to VMware SRM, Zerto is much more reliable. I have never had any issues switching between production and the DR data center with Zerto, while I have had to start DR exercises from scratch multiple times with VMware SRM.

We always define and perform the required RTO values in our company. RTO is the time required to recover from a switch. It is about how long it will take IT staff to restore the environment. With Zerto, we can now do this in hours, typically one or two hours, for all switching activities. We have 70 virtual machines configured in Zerto, so it takes about one hour to switch all of them. This is four times faster than our previous solutions, such as VMware SRM or storage-based replication.

Zerto has saved us time in data recovery situations due to ransomware or other causes. It is very easy to use, so we do not need to spend extra time training engineers on how to use it. All of our engineers were able to start using Zerto immediately. Zerto is also very fast at replicating data. For example, when we set up a new replication, the initial replication was completed very quickly. Another advantage of Zerto is that it does not require additional steps to change the size of virtual disks. With our previous solution, VMware SRM, engineers had to perform additional manipulations in VMware when changing the size of virtual disks. This was a complicated process, but it is not necessary with Zerto. Overall, Zerto is a very user-friendly and efficient data protection solution. It has saved us time and money, and it has made our data recovery process much easier.

Zerto has saved us around 50 percent of our time.

What is most valuable?

The most important thing to me is Zerto's ability to deliver continuous protection for all data without any issues or incidents. Zerto is a rock-solid product in terms of protection. We migrated to Zerto from VMware SRM because we had a lot of issues with VMware SRM, including the loss of one server.

What needs improvement?

Zerto's price has room for improvement.

For how long have I used the solution?

I have used Zerto for six years.

What do I think about the stability of the solution?

I give Zerto's stability a nine out of ten.

What do I think about the scalability of the solution?

Globally we have around 200 engineers that use Zerto.

How are customer service and support?

Zerto's technical support is excellent. When we first started using Zerto, we had Russian technical support to help us with some complex tasks, such as configuring unique virtual machines. Our engineers had no communication issues with the support team. Later, when we were in a stable period, global technical support was also very helpful. I cannot recall a time when technical support was unable to help us. Overall, I give Zerto's technical support five stars.

How would you rate customer service and support?

Positive

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

For many years, the company globally used a variety of different solutions for data protection and disaster recovery. These included storage-based replication solutions based on IBM and EMC storage, as well as special appliances from Dell EMC. For smaller companies, VMware SRM or VMware replication without SRM was used, with manual configuration of replication. In order to simplify and unify its data protection and disaster recovery strategy, the company decided to adopt Zerto. Zerto was initially implemented in a small region, the Middle East/Asia. After a couple of successful migrations of data centers in this region and a parallel unsuccessful DR exercise in EMEA, the company selected to use Zerto globally. Following this, smaller companies in Russia started to receive a recommendation to implement Zerto instead of any existing solutions. Zerto has been a success for the company, providing a unified and simplified data protection and disaster recovery solution that has improved the company's overall resilience.

How was the initial setup?

We used one internal engineer to perform the initial setup on two data centers in two days. In general, this involved installing two virtual machines with Zerto Virtual Manager on each data center, creating the corresponding network access rules, and then deploying Zerto replication agents to all virtualization hosts. The last activity was automated, so it took about one hour to deploy Zerto for all virtualization hosts. The replication took one week.

What about the implementation team?

The implementation was completed in-house.

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

Zerto is a premium disaster recovery solution. It is not the cheapest option on the market, but it offers a number of features that make it a good value for businesses that need a comprehensive disaster recovery plan.

What other advice do I have?

I give Zerto a ten out of ten. Based on my experience with different replication solutions, Zerto is the best one I have used. I am very disappointed that my current company decided to stop using it due to existing standards. Zerto is not cheap, but it is very stable, available, fast, and easy to use.

The most time-consuming part of a disaster recovery test is the testing of small and medium-sized enterprises, business users, and other stakeholders. IT-led environment restoration activities typically take up about 30 percent of the overall DR process. Zerto can reduce this time by 50 percent. Overall, this is not a significant impact, and Zerto is a very stable and reliable solution.

Zerto has not reduced the number of employees involved in data recovery situations. This is because we have a small team, and we always use engineers to perform disaster recovery activities related to storage and virtualization infrastructure. As a result, we have not had to reduce the number of staff members used for these activities.

Zerto did not replace all of our legacy backup solutions. Our legacy backup solutions were dependent on IBM Power servers, which required corresponding backup agents. Zerto is not compatible with these agents, so we use a separate backup solution for these servers. This separate solution is still in use.

We have two data centers, each with its own equipment, servers, storage, network equipment, and so on. In each data center, we deployed two separate VMware vCenter server infrastructures connected using an L2 line. There was no L3 connection between the data centers. This created a flat L2 network with two data centers and two vCenters on each data center. After that, we deployed two VM servers configured for replication. This allowed us to have a highly available and resilient infrastructure in the event of a failure at one of the data centers.

Regarding Zerto's maintenance, we configured some monitoring for related Zerto services. However, we do not have any daily routine procedures to manually check Zerto to ensure that everything is working properly. Instead, our engineers spend one hour per week reviewing monitoring items and other metrics to ensure that Zerto is operating as expected. From my perspective, Zerto is a self-operating system that requires very little manual intervention.

Zerto is very easy to pilot. I recommend that any customer pilot Zerto before making a decision on whether or not it is the right solution for them. Zerto is a self-selling product. When I piloted it in 2016, I was able to install it in hours and start using it immediately without any help. I believe that a pilot is the best way to see how easy and beneficial Zerto can be.


    Abdellateef Hasan

Easy to use with a straightforward interface and menus, and provides excellent analytics, reporting, and monitoring

  • February 27, 2023
  • Review provided by PeerSpot

What is our primary use case?

We use Zerto for backups and DR; we back up to a StoreOnce unit and then offsite. We have over 11 servers, including three Oracle servers, one Oracle database, and an Active Directory.

How has it helped my organization?

Before Zerto, we used another solution that caused database crashes and did not offer certainty regarding disaster recovery. Zerto is more configurable and stable.

A DR site reduces downtime, especially with full VM backup and online synchronization. Zerto accomplishes this without affecting network efficiency, as synchronization occurs at specific intervals.

What is most valuable?

Zerto's ease of use is outstanding; it's easy to set up and has a clear interface and menus. The reporting, analytics, and online monitoring are also excellent.

Compared to other solutions, the speed of recovery with Zerto is faster. Our last backup solution, Data Protector, was very slow, but Zerto is rapid even in file retrieval.

The solution helped reduce our organization's DR testing; it's hard to say precisely how much, but Zerto does faster DR testing than other products.

What needs improvement?

Improvements in stability would be welcome; there are some software bugs that can affect RPOs. We want more of a guarantee that we won't lose any of our backups, even in the event of a disaster.

The platform measures the right speed of storage devices and gives an alert on the VPG if there is latency, but the nature of the alert suggests the solution isn't meeting the SLA. However, this shouldn't affect the health status of the backup. It should provide an express report that we should enhance our hardware rather than express latency as a threat to the backup capability.

For how long have I used the solution?

We've been using the solution for two years.

What do I think about the stability of the solution?

The stability is acceptable, we experienced an issue once, but the backup time is speedy.

What do I think about the scalability of the solution?

The solution's architecture supports business owners to expand their disaster recovery capabilities as their infrastructure grows. Additionally, Zerto's ability to integrate with various cloud platforms and on-premises environments further enhances its scalability, offering a flexible and robust solution for organizations with evolving needs.

How are customer service and support?

Customer support is one of Zerto's best aspects; the support is excellent, and we can quickly get through to them. I rate them ten out of ten. The support staff are very kind and always solve a problem. I feel secure knowing I have access to such good support.

How would you rate customer service and support?

Positive

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

We previously used Micro Focus Data Protector and Veeam Backup & Replication. Zerto is easier to use and more straightforward to configure.

Zerto replaced our legacy backup solution, Data Protector. This not only saved on the cost of the old product but also provided more stability and security to our company. We now have a new backup methodology, and it's a significant upgrade.

How was the initial setup?

I carried out the initial setup with support from Zerto, which was very straightforward.

The only requirement for maintenance is monitoring the solution and updating versions.

What about the implementation team?

I have 20 years of experience in IT, so I was well-positioned to carry out the deployment myself, with the assistance of Zerto support.

What was our ROI?

We have seen an ROI with Zerto.

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

The pricing is slightly above average, but the immediate and comprehensive support makes the price acceptable.

Which other solutions did I evaluate?

We evaluated many other options but found Zerto the best, especially for our HPE environment. It's the most stable and straightforward tool, and even those with limited experience can operate it.

What other advice do I have?

I rate the solution eight out of ten.

I strongly recommend Zerto; I've tried many other solutions, but it's the most stable.

We use the product to help protect VMs in our environment, and regarding RPOs, I carry out the test for them every six months, and it's working correctly.

I advise those evaluating the solution to use it, especially in an HPE environment, as it's fully compatible and easy to manage. There is no requirement for special drivers or configurations.


    Wendy B

Cuts down the recovery time tremendously and improved the disaster recovery process

  • June 30, 2022
  • Review provided by PeerSpot

What is our primary use case?

We use Zerto for our disaster recovery procedure and testing to ensure our servers and virtual machines can failover from a production environment if there's a catastrophe. We have a disaster recovery test twice a year and use Zerto to recover the environment.

We have two environments for Zerto. One is for the US, and the other is for Europe. We updated one last week to version 9.0, and the other still uses version 8.5 but I will update that today or tomorrow.

How has it helped my organization?

Zerto cut down the recovery time tremendously and improved our disaster recovery process. It made it easier for us to recover if needed during a disaster. Zerto definitely reduced downtime. The other software we used had a lot of manual steps. It was efficient, but our recovery time was longer. I estimate that Zerto cut our recovery time by at least 70 percent.

We had a disaster recovery four or five years ago. I can't remember what happened, but I believe something crashed in our data center, like a power outage. We did a failover of our network using Zerto from production to disaster recovery. We successfully completed the failover process in three or four hours without issue. The data was current, and the application owners could access their data and continue working while the issue was resolved. 

Zerto also brings down our costs. If we don't meet our SLAs, the clients are not happy and we get billed or fined. Every minute an application is down is costly for us. However, I don't think it has reduced our staff. We have a dedicated team for disaster recovery. While it doesn't cut down on the number of team members, It makes our jobs a lot easier.

What is most valuable?

Near-synchronous replication is an extremely powerful feature because it's like a mirror environment with almost real-time replication. Everything in my production environment is mirrored in the Zerto environment. I want the two to be as close as possible. 

If you have a disaster, we don't want your data to lag too far behind. You don't want to be an hour or two days behind. When you recover an environment in Zerto, the data is current.

What needs improvement?

I would like to see some graphical improvements in Zerto's interface. There's an option to export a list of all of our servers, but the information isn't presented the way we want. We want it in a specified sequence broken down by region, etc. We can't manipulate the data when we export it. Maybe they could change it to look more like an Excel sheet, and we can customize the graphics and data. We suggested these improvements to Zerto through their portal.

For how long have I used the solution?

We've been using Zerto for six or seven years.

What do I think about the stability of the solution?

It's highly stable. We've had no issues. We haven't had an incident or any problems with Zerto being unavailable or maintenance that would cause an outage on our side. If anything is happening on Zerto's side, we're not affected and that is great.

What do I think about the scalability of the solution?

We haven't seen any limitations so far. Zerto is constantly upgrading its products. There are upgrades every five months or so. They're constantly tweaking and making the product better.

How are customer service and support?

I rate Zerto support nine out of ten. It's excellent overall. We've only had one issue in the past six or seven years. I think the person was maybe new to the team.

They prioritize calls based on severity. If the issue is affecting our environment and we can't get anything done, they'll escalate the ticket and help us immediately. If we just have general questions or a concern that isn't severe, they still respond quickly.

How would you rate customer service and support?

Positive

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

We previously used a site recovery manager from vCenter. It's effective, but it requires a lot of manual steps, especially when we deal with databases and so forth. Zerto is quicker, more efficient, and easier on the eyes. I'm a huge fan. 

We started using Zerto because vCenter required more steps to failover our environment. Zerto does all the steps that we would normally need to do manually, reducing our recovery time and procedure steps. Something that previously took 45 minutes takes Zerto 10 minutes.

The other solutions are still in place. We use vCenter and NetBackup for our legacy systems.

How was the initial setup?

Zerto is user-friendly. When I set this up six or seven years ago, I knew nothing about Zerto. It was relatively straightforward to go from the vCenter SRM to the Zerto environment. It's intuitive, so I can log onto Zerto and figure it out without having to take a class or official training. I can log on and navigate through the screens. If I get stuck, Zerto support is always available.

There were two of us who set it up. I'm in the US, and the other guy is in the Philippines. He initiated it, and I finished it. We completed it in one day, but I don't remember how many hours it took. We did a quick check the following day to ensure everything was in line.

What about the implementation team?

I contacted Zerto recently when I upgraded one of my environments to version 9. I had some general questions because a few of our VMs were not syncing. I was getting an error message because the recovery didn't progress, so I had to reach out to Zerto support. We actually figured that out on our own, but they pointed us in the right direction.

Which other solutions did I evaluate?

We tested one product for two or three months, but I can't think of the name of it. Zerto was easier for us to dive into and pick it up quickly. The leadership of the disaster recovery team made the final decision along with management. I don't know if cost played a factor, but Zerto was more efficient and easier to use. It was exactly what we needed.

What other advice do I have?

I rate Zerto ten out of ten.

Which deployment model are you using for this solution?

On-premises

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