It has the ability to switch or role swap for system availability.
Sr. System Mngt Engineer - System Architect at a tech services company with 1,001-5,000 employees
OS version compatibility needs work, but with its ability to switch system availability, we were able to perform major system maintenance on our production system.
Pros and Cons
- "We were able to perform major system maintenance on our production system after performing a switch or production role swap."
- "OS version compatibility needs work."
What is most valuable?
How has it helped my organization?
We were able to perform major system maintenance on our production system after performing a switch or production role swap.
What needs improvement?
OS version compatibility needs work.
For how long have I used the solution?
I've used it for three and a half years.
Buyer's Guide
MIMIX [EOL]
June 2026
Learn what your peers think about MIMIX [EOL]. Get advice and tips from experienced pros sharing their opinions. Updated: June 2026.
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What was my experience with deployment of the solution?
No issues encountered.
What do I think about the stability of the solution?
No issues encountered.
What do I think about the scalability of the solution?
No issues encountered.
How are customer service and support?
Customer Service:
We're satisfied with it.
Technical Support:We're satisfied with it.
Which solution did I use previously and why did I switch?
I used a different replication solution in my previous company - IBM Global Mirroring - but not with my current company. They didn't have a solution prior to MIMIX and therefore have never switched to another product.
What was our ROI?
I believe ROI is above par.
What's my experience with pricing, setup cost, and licensing?
If you can consolidate your systems into one, it will save you a lot of money in licensing.
Which other solutions did I evaluate?
Make sure you have at least two or three in-house engineers for MIMIX as the skills required are hard to find.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Server Administrator at a healthcare company with 1,001-5,000 employees
The product allows you to replicate critical data and system objects to a target server to be used for backups and failover, but the monitoring tools could be improved.
Pros and Cons
- "Customer Service: Excellent; their team is very knowledgeable and responsive."
- "Monitoring tools can be improved but are very useful already."
What is most valuable?
Replication Protection and Switching Capabilities. The product allows you to replicate critical data and system objects to a target server to be used for backups and failover.
How has it helped my organization?
We can perform system maintenance such as OS upgrades on the production system after switching the business to the target system.
What needs improvement?
Monitoring tools can be improved but are very useful already.
For how long have I used the solution?
I've used it for 15 years.
What was my experience with deployment of the solution?
No, as long as you have adequate bandwidth in place between the systems. I recommend you use a certified consultant for the deployment.
What do I think about the stability of the solution?
No issues encountered.
What do I think about the scalability of the solution?
No issues encountered.
How are customer service and technical support?
Customer Service:
Excellent. Their team is very knowledgeable and responsive.
Technical Support:Excellent. Their team is very knowledgeable and responsive.
Which solution did I use previously and why did I switch?
No previous solution used.
How was the initial setup?
It's complex - you need to have a detailed understanding of the environment, and the AS/400 system in general. Network, security, and applications are all part of the process.
What about the implementation team?
We used a certified consultant who is an IBM partner.
What was our ROI?
I am not in finance, but we are utilizing the solution to reduced planned, and unplanned downtime, which can cost the organization hundreds of thousands of dollars per hour.
What's my experience with pricing, setup cost, and licensing?
Not much room for negotiation, but you can try to get at the least first three years of maintenance included in initial cost.
Which other solutions did I evaluate?
- IBM iCluster
- Nomax
What other advice do I have?
I recommend you use a certified consultant for the deployment.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
MIMIX [EOL]
June 2026
Learn what your peers think about MIMIX [EOL]. Get advice and tips from experienced pros sharing their opinions. Updated: June 2026.
900,838 professionals have used our research since 2012.
Sr. Technical Consultant at a consultancy with 10,001+ employees
Remote journaling allows us to put the load on the target system as opposed to the source, but it lacks prosing support for multiple journals per data group.
Pros and Cons
- "By implementing remote journals, we have put the load on the target system as opposed to the source."
- "Customer support is good but they do try to squeeze out those service dollars."
What is most valuable?
The remote journaling and audit functions.
How has it helped my organization?
By implementing remote journals, we have put the load on the target system as opposed to the source.
What needs improvement?
Prosing support for multiple journals per data group would be nice.
For how long have I used the solution?
I've used it on and off for 18 years.
What was my experience with deployment of the solution?
No issue encountered.
What do I think about the stability of the solution?
No issue encountered.
What do I think about the scalability of the solution?
No issue encountered.
How are customer service and technical support?
Customer Service:
Customer support is good but they do try to squeeze out those service dollars.
Technical Support:They know their products well.
Which solution did I use previously and why did I switch?
I've used DataMirror but it was sold to IBM and we got a better deal from Vision.
How was the initial setup?
We have a complex environment, so it depends on your particular environment which will be custom based on your business, typically.
What about the implementation team?
We did it in-house.
What's my experience with pricing, setup cost, and licensing?
Negotiate hard.
Which other solutions did I evaluate?
IASP and hardware based solutions but the business would not go for the spend.
What other advice do I have?
Make sure you have a good understanding of your environment and how replication can affect it.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
IT & Comm Infrastructure Operations at a financial services firm with 51-200 employees
In addition to high availability and disaster recovery, we can pre-stage sources for data warehousing. But, it needs faster remote journal entry reads in "fire mode".
Pros and Cons
- "Apart from the fact that we are assured high availability and disaster recovery, we use this product for different purposes as well."
- "I think that there should be a converged effort with IBM for faster remote journal entry reads when the remote journal is in "fire mode"."
What is most valuable?
We use all the features of the product. From our perspective, I think the most valuable are:
- Complete planned/unplanned switch framework
- Full stack of comparison reports (so called audit reports)
- 95% integration with all new IBM i features that appears, including independent ASP
How has it helped my organization?
Apart from the fact that we are assured high availability and disaster recovery, we use this product for different purposes as well. This include remote site backups, pre-staging sources for data warehousing (integration with DoubleTake Share from same vendor), and to offload production for some critical reports.
What needs improvement?
I think that there should be a converged effort with IBM for faster remote journal entry reads when the remote journal is in "fire mode". That means when remote journal is in its catch-up phase with the source system, and a lot of journal entries are bombing the journal receivers.
For how long have I used the solution?
I've been using it since 2003.
What was my experience with deployment of the solution?
No, we have a tremendous experience with the product.
What do I think about the stability of the solution?
Not in the last eight to nine years.
What do I think about the scalability of the solution?
Only with remote journal entries.
How are customer service and technical support?
Customer Service:
They have great 24x7 support, with very good and experienced employees.
Technical Support:9/10.
Which solution did I use previously and why did I switch?
We had an IBM implementation for SAN storage replication (PPRC). The solution had a complex recovery procedure when production system is down. Also, you can have corrupted data while MIMIX works at the application and OS/DB2 level instead.
How was the initial setup?
The first implementation was complex because we had to define, and understand, what we really need to replicate. When someone is asking you what to replicate, most of the clients are saying the "whole system". This is not possible, as you cannot replicate, for example, a system serial number (VPD), and all the other stuff that is system related when you use application-level replication (e.g local IP addressing of physical interfaces etc.).
What about the implementation team?
We implemented it with both vendor consultants and application consultants.
What was our ROI?
We didn't calculate it, but I can say that we have a positive ROI. We've used it two to three times to recover bank services after a production system shut down (DASD storage unavailable on production). Also, we use the product for reporting, data warehouse pre-staging, remote backups, etc.
What's my experience with pricing, setup cost, and licensing?
This topic is really complicated because now the product is CPU-core licensed. When we bought it, it was system based. So I would say that at first, you should start with a small environment, for example a non-production LPAR (or VM), and see if it is feasible for the expected purpose (data protection). The licensing model is related to production and backup LPAR CPU cores, same for maintenance, it should be under 18% of the initial license fee. But, you should take into consideration implementation services that are around $1700 to $1900 per day.
Which other solutions did I evaluate?
We evaluated all the products on the market but MIMIX was the only option for us.
What other advice do I have?
I think for monitoring IBM products, it is the best product on the market.
First though, you need to understand their applications and the right point in time for business recovery points. The product has some CPD (continuous data protection), but the product is more or less for real-time data replication and HA. The second time, is the cost and implementation services, I would not advise to try it by themselves without understanding where to start from.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Business Systems Administrator at a financial services firm with 501-1,000 employees
We can perform nightly backups of our production system without taking our production system offline, but be sure to compare prices with other solutions before choosing.
Pros and Cons
- "Knowing that our data is in multiple backup locations, provides us with piece of mind as far as a disaster recovery situation is concerned."
What is most valuable?
MIMIX provides local and remote data replication for us, up to the minute. Knowing that our data is in multiple backup locations, provides us with piece of mind as far as a disaster recovery situation is concerned.
How has it helped my organization?
Because we have our production data replicated to a local LPAR, we can perform nightly backups of our production system without taking our production system offline to do them. Also, for system upgrades (software or hardware), we can perform role swaps to our backup systems, and run our processes off of the backup system. Doing this can virtually eliminate all down time associated with the upgrades.
What needs improvement?
None that I have encountered.
For how long have I used the solution?
I've been using the Professional version for seven years.
What was my experience with deployment of the solution?
I have not had any issues Visions Solutions could not resolve.
What do I think about the stability of the solution?
No issues encountered.
What do I think about the scalability of the solution?
No issues encountered.
How are customer service and technical support?
Customer Service:
Good. No concerns/issues.
Technical Support:Excellent. Of the support personnel that I have dealt with, they are top notch in their field both in knowledge and dedication to getting the problem resolved. I have called support both during business hours and outside them, and have received great support at all times. Their online client portal is very easy and intuitive to use, and they provide many resources to give the user the ability to resolve the problem and learn for themselves.
Which solution did I use previously and why did I switch?
No packaged software. Lots of work-arounds, and piecing things together to try and replicate the same type of solution, but it felt quite inadequate.
How was the initial setup?
I was not originally involved with the initial deployment of the product, but am involved with any new enhancements.
What about the implementation team?
Vision Solutions did most of the implementation for us.
What other advice do I have?
Look at the price and what it will do for you compared to other products. There might be other products that do a similar thing, but what type of technology are they relying on? Is it efficient and here to stay? Get testimonials from others.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Systems Analyst AS/400 with 1,001-5,000 employees
It works with different data groups.
Pros and Cons
- "It's used in our new architecture, for production, HA/DR and it works with different data groups."
What is most valuable?
- Provides two servers
- Easy
- Fast
- Robust
How has it helped my organization?
It's used in our new architecture, for production, HA/DR and it works with different data groups.
For how long have I used the solution?
I used it for one year, before I was using ITHERA.
What was my experience with deployment of the solution?
No issues encountered.
What do I think about the stability of the solution?
No issues encountered.
What do I think about the scalability of the solution?
No issues encountered.
How are customer service and technical support?
Customer Service:
8/10.
Technical Support:8/10.
Which solution did I use previously and why did I switch?
Before we were using ITHERA. We switched because we had problems with the stability and had not found the right level of technical support.
How was the initial setup?
From watching the consultant, it looked easy.
What about the implementation team?
It was done by a consultant.
Which other solutions did I evaluate?
No other options were evaluated.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
iSeries Power 7 Systems Administrator at a manufacturing company with 1,001-5,000 employees
I'm comfortable using it in High Availability (HA) setups, but system overheads need improvement.
Pros and Cons
- "Provides high degree of comfort regarding High Availability (HA)."
- "The systems overheads need improvement."
What is most valuable?
The ease of switching is valuable.
How has it helped my organization?
Provides high degree of comfort regarding High Availability (HA).
What needs improvement?
The systems overheads need improvement.
For how long have I used the solution?
I've used it for 12 years.
What was my experience with deployment of the solution?
No issues encountered.
What do I think about the stability of the solution?
No issues encountered.
What do I think about the scalability of the solution?
No issues encountered.
How are customer service and technical support?
Customer Service:
9/10.
Technical Support:10/10.
Which solution did I use previously and why did I switch?
I didn't use anything prior to MIMIX.
Which other solutions did I evaluate?
- iTerra
- OMS
What other advice do I have?
It's a good, stable product.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
IT Administrator at a museum or institution with 501-1,000 employees
Data replication to a High Availability system is valuable but replication of files on the IFS system can be improved
Pros and Cons
- "In case we have an emergency or a sudden issue on the production system, we can put our point of sale terminals in local mode for 1 hour, switch over to the backup system, verify that all is running OK, then the POS systems can reconnect, and our users can sign on again and continue working."
- "Replication of the IBM i spooled files and files on the IFS system (Windows-like environment). About 1/2 the time, we have to nudge the system a bit to get the file(s) over."
What is most valuable?
Data replication to a High Availability system
How has it helped my organization?
We do a "switchover" to our backup system 3 times a year. This lets us know that everything is still OK (or we fix the issue before anyone signs on the system) and that we can run the business on the backup system. In case we have an emergency or a sudden issue on the production system, we can put our point of sale terminals in local mode for 1 hour, switch over to the backup system, verify that all is running OK. Then the POS systems can reconnect, and our users can sign on again and continue working.
What needs improvement?
Replication of the IBM i spooled files and files on the IFS system (Windows-like environment). About 1/2 the time, we have to nudge the system a bit to get the file(s) over.
For how long have I used the solution?
7 years
What was my experience with deployment of the solution?
No issues.
What do I think about the stability of the solution?
No issues.
What do I think about the scalability of the solution?
You have to size the system according to the amount of data you need to replicate. If not, your users will feel the slow down in response time.
How are customer service and technical support?
Customer Service: 9 out of 10Technical Support: 9.8 out of 10
Which solution did I use previously and why did I switch?
I tested a solution from another vendor at the time (ITERA) while at a previous employer. I found the installation and replication set-up to on the hard side, taking most of a week to do by a specialist from ITERA. I also visited another company in the process of installing MIMIX and setting up the replication. Listing what to replicate took about 1 hour (same with ITERA), software installation took less than one hour and setting up the system and replication took about 2 hours. In all 1/2 day (MIMIX) vs. 1 week (ITERA). I moved to a new company and recommended MIMIX.
How was the initial setup?
MIMIX initial setup is straight forward especially when it is done by an expert from the company selling the software.
What about the implementation team?
Vendor team - 9.9 out of 10
What's my experience with pricing, setup cost, and licensing?
Original setup cost was included in the product quote. It included the product and 5 days of an on-site expert to setup and teach.
What other advice do I have?
No reservation: an enthusiastic "go for it!"
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
IT Administrator at a museum or institution with 501-1,000 employees
Good and expensive. Requires daily checks to ensure the replication does not have issues.
I have used MIMIX for some years now. The product is good and expensive. It requires daily checks to ensure the replication does not have issues. The software is upgraded fairly regularly, and patches for discovered bugs issued quickly.
The problem is the switchover to the target system. All current operations must be quiesced and there must be no left transaction to replicate before the switch can start. In our environment, this takes approximately 20 to 25 minutes. The switch to the target system takes about 10 minutes, and the subsystems restart on the target another 15 minutes. We test this scenario 3 times a year (we wrote our own CL programs for the switchover and switchback based on Lakeview's templates).
I suggest looking at this thread for more info.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Principal at a tech consulting company with 51-200 employees
There is no true HA solution that allows you to take a machine out of your network and continue processing
All of the vendors provide replication from a primary machine to a backup machine. The last real hands on experience and testing I did took 45 minutes to synch up a MIMIX based machine after cutting over to the backup machine.
Sadly, unlike Linux or Unix you do not have real-time replication or load balanced system sharing that actually run parallel systems instead of primary & backup. This has been a huge shortcoming of OS/400 and IBM i forever. There may have been some improvement, but I've not seen them.
There are some good data replication products for IBM, I like Mimix which I used. The key to my comments are the fact that this has been an area of weakness since the AS/400 was first shipped. While Mimix and other products can provide data replication between machines there is no true HA solution that allows you to take a machine out of your network and continue processing as you can with other platforms and OS's.
For many IBM i customers data and object replication can be sufficient if you thoroughly review your program change management, security administration, network administration, etc. and make sure that:
1. You do not lose in flight data or that you know what you lose when you cut over.
2. Any programs that have been updated or changed on your primary machine are replicated to your back up machine.
3. Any other resources besides data or programs are replicated and synchronized.
4. User profiles and other security settings are synchronized, and
5. You have a network configuration that allows you to switch users to your backup machine.
This is not trivial and this really sets the vendors apart from each other. But keep in mind. Unlike modern could based scenarios you CANNOT balance your work load across multiple IBM i based systems and simply take one offline and keep on processing. You can do this on other platforms including Unix, Linux, and Windows.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
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