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Jane is the lead programmer on a team supporting an order entry application on the AS/400. The application currently supports about 200 telephone operators and, if business continues to grow, may support another 50 within the next six months. Unfortunately, the AS/400 is already experiencing performance problems and Jane has been assigned the task of improving the situation.

The first thing she does, of course, is get some objective measurements. Figure 1 shows the results. As the measurements indicate, the application performs well when the number of users is not too high, but after a certain number of users have logged on, the response time starts going up. After about 160 users, the AS/400 starts huffing and puffing. At 180, the response time really tanks. The order entry application is huge
and—because the operators handle many different types of calls—has a lot of functionality.

Jane determines that the maximum response time acceptable to the users is one second. This means that without major changes to the application or a hardware upgrade, she can currently support between 60 and 80 users. Yet she already has 200 users and is expecting 50 more within the next few months.

Jane does some additional research and finds out that the average “think time” is 20 seconds. That is how long the users spend before each press of the Enter key, engaging in such activities as talking to a customer or keying in data. If the AS/400 could process each request in one second, this would mean that only about 5 percent of the users who are logged on actually require resources from the AS/400 at any given time. Normally, this wouldn’t be a problem; however, once available memory becomes full, the AS/400 has to spend more time swapping in and out. In addition, as the number of jobs increases, so does the number of open files, which, in turn, increases the load on the system.

She takes a long look at the application. The different functions are coded as separate programs, and, in order to avoid file opens and closes, each program returns with the LR indicator off. This process leaves programs in memory with the files open. Jane has the programmers make a simple change to the programs to turn LR on before returning, an action that clears the program from memory and closes the files. However, each time the user requests that function again, the program has to be loaded and the files reopened, which takes time. As the number of users increase, so does the time required. The net result is no improvement.


Jane starts thinking about an upgrade.

Something Less Drastic

But then she has an idea. All of the users are running the same application. She moves the processing component of the application entirely to batch, where it runs as a server job. Because all of the components of the application are separate, callable modules, this is pretty easy to do. The interactive job, which is now relatively small, simply collects the data from the user and sends it to the batch server job, which processes the request and sends back the results. Each batch job needs to process only one request per second, so she needs only 20 batch jobs running. The impact on the system is the same that it would be if only 20 users were signed on. Her problem is solved.

Jane finds some other benefits as well. Because the interactive program is small and is only opening a workstation file, user logon is quick and painless, which means that a user will be more willing to log off for breaks. By increasing or decreasing the number of active batch jobs, she is able to tune the AS/400. If there is a sudden burst of activity she can kick up the number of batch jobs for a while. And although she avoids it, if she must replace a module during the day, it is no longer necessary to get everybody off. She simply has to end the batch server jobs, replace the module, and restart them. The users might be delayed a few seconds, but they are otherwise not affected.

A Batch Server Template

This story illustrates a technique that I have been using with good results for years. If you have an application like this that is used by many interactive users throughout the day, it could be a good candidate for the batch server model. In the remainder of this article, I describe some program templates that you can use to put the batch server process to work for you on your AS/400. You can download these templates from the Web at www.midrangecomputing.com/mc. The download contains compilable code for a working server and a client program to communicate with the servers.

Figure 2 (page 103) shows pseudocode for BCHSVR1, a program you can use to control the number of active batch server jobs. The program counts the number of batch server jobs that are currently active. It then either submits additional jobs or sends data queue entries to end existing jobs. Each job has a different name. All server jobs get submitted to the same job queue, so you must use a job queue that allows for a large number (or *NOMAX) for maximum number of jobs (MAXACT). To run this program, use the Control Batch Server (CTLBCHSVR) command, specifying the number of desired server jobs in the first (and only) parameter.

Figure 3 (page 103) shows the logic of BCHSVR2, the driver program for the batch server job itself. A separate copy of this program runs in each server job submitted by BCHSVR1. At the outset, BCHSVR2 allocates a data area with the same name as the job. This is a common technique to indicate that a job is active. I like to put all the data areas in a separate library because they don’t need to be backed up. If you desire, the library can be cleared during the IPL or nightly batch processing.

BCHSVR2 communicates with the interactive program by way of data queues. There are two separate data queues: one for incoming data and one for outgoing data. Because OS/400 doesn’t reuse deleted data queue entries, these data queues should be deleted and re-created on a regular basis. The outgoing data queue is keyed by a transaction ID, which is a unique value generated by the interactive program requesting the data. The requesting program looks for this same key value to retrieve the correct data, instead of retrieving data from another requestor. I like to put the data queues in the same library as the data areas.

Each of the batch server jobs stays in a loop waiting for requests to come in on the data queue (a special value of *EOJ indicates it’s time to end). Program BCHSVR2 breaks the data into fields, calls the program to process the data, concatenates the results, and


sends them to the keyed data queue. The interactive program receives the results and displays them to the user. I also log the time and program ID to a message queue. Taking this step makes it easier to track current activity and adjust the number of required server jobs.

Figure 4 (page 103) contains pseudocode for program BCHSRV3, which moves data between the calling program and the server by way of data queues. This program takes care of enqueuing and dequeuing data, which means the programmer need only code a simple CALL command in client programs. (Note that BCHSRV3 will timeout after 60 seconds with a message to the system operator if it doesn’t hear back from a server job. This keeps the job from hanging if the batch server jobs have not been started.)

Getting Started

If you are having performance problems in your shop, then it may be time to break up your application. These batch server utilities make it an easy thing to do.

Download the example code from the Midrange Computing Web site at www.midrangecomputing.com/mc. All the code is in one text file, but you will be able to divide it into separate members by following the instructions. Put all members in a source physical file called BCHSVR in library BCHSVRLIB. Compile and run the INSTALL program. Start the servers, call the client program, and you’re in business.

Number Response of Users Time 20 0.7 40 0.7 60 0.9 80 1.1 100 1.3

Number Response of Users Time 120 1.4 140 2.1 160 3.2 180 4.8 200 7.9

Figure 1: As users are added to the order entry application, response time becomes increasingly slow.

Input parameter: desired number of active batch server jobs
Create data queues if they don’t exist.
Determine how many batch server jobs are currently active.
Case
1. the number of active jobs > the desired number of jobs,
terminate some of the active jobs
2. the number of active jobs < the desired number of jobs
submit more batch jobs
end case

Figure 2: A single program is used to increase or decrease the number of active server jobs.

Indicate that the current job is active by allocating a data area
with the same name.

Create the data area if necessary

Attempt to allocate the data area.

If unable to allocate, exit program

Loop

Receive a message from the incoming data queue


If message is *EOJ, exit program

Log start of processing

Call the program to process the data

Log end of processing

Send the results back to the requestor by placing them on the

outgoing data queue
End loop

Figure 3: Each batch server job serves as a mediator between client programs and those that process data.

Copy data from input parameters to the data structure that will be sent to the data queue.
Build a unique key by combining the job number and current time.
Log the start of the request.
Send data to a batch server job via a FIFO data queue.
Wait 60 seconds to receive data from a batch server via a keyed data queue.
Log the end of the request.
If there was no response from the server within 60 seconds,

then notify system operator

else return the data to the calling program through parameters

Figure 4: Client programs that need to communicate with a batch server simply call an API.


Jane is the lead programmer on a team supporting an order entry application on the AS/400. The application currently supports about 200 telephone operators and, if business continues to grow, may support another 50 within the next six months. Unfortunately, the AS/400 is already experiencing performance problems and Jane has been assigned the task of improving the situation.

The first thing she does, of course, is get some objective measurements. Figure 1 shows the results. As the measurements indicate, the application performs well when the number of users is not too high, but after a certain number of users have logged on, the response time starts going up. After about 160 users, the AS/400 starts huffing and puffing. At 180, the response time really tanks. The order entry application is huge
and—because the operators handle many different types of calls—has a lot of functionality.

Jane determines that the maximum response time acceptable to the users is one second. This means that without major changes to the application or a hardware upgrade, she can currently support between 60 and 80 users. Yet she already has 200 users and is expecting 50 more within the next few months.

Jane does some additional research and finds out that the average “think time” is 20 seconds. That is how long the users spend before each press of the Enter key, engaging in such activities as talking to a customer or keying in data. If the AS/400 could process each request in one second, this would mean that only about 5 percent of the users who are logged on actually require resources from the AS/400 at any given time. Normally, this wouldn’t be a problem; however, once available memory becomes full, the AS/400 has to spend more time swapping in and out. In addition, as the number of jobs increases, so does the number of open files, which, in turn, increases the load on the system.

She takes a long look at the application. The different functions are coded as separate programs, and, in order to avoid file opens and closes, each program returns with the LR indicator off. This process leaves programs in memory with the files open. Jane has the programmers make a simple change to the programs to turn LR on before returning, an action that clears the program from memory and closes the files. However, each time the user requests that function again, the program has to be loaded and the files reopened, which takes time. As the number of users increase, so does the time required. The net result is no improvement.


Jane starts thinking about an upgrade.

Something Less Drastic

But then she has an idea. All of the users are running the same application. She moves the processing component of the application entirely to batch, where it runs as a server job. Because all of the components of the application are separate, callable modules, this is pretty easy to do. The interactive job, which is now relatively small, simply collects the data from the user and sends it to the batch server job, which processes the request and sends back the results. Each batch job needs to process only one request per second, so she needs only 20 batch jobs running. The impact on the system is the same that it would be if only 20 users were signed on. Her problem is solved.

Jane finds some other benefits as well. Because the interactive program is small and is only opening a workstation file, user logon is quick and painless, which means that a user will be more willing to log off for breaks. By increasing or decreasing the number of active batch jobs, she is able to tune the AS/400. If there is a sudden burst of activity she can kick up the number of batch jobs for a while. And although she avoids it, if she must replace a module during the day, it is no longer necessary to get everybody off. She simply has to end the batch server jobs, replace the module, and restart them. The users might be delayed a few seconds, but they are otherwise not affected.

A Batch Server Template

This story illustrates a technique that I have been using with good results for years. If you have an application like this that is used by many interactive users throughout the day, it could be a good candidate for the batch server model. In the remainder of this article, I describe some program templates that you can use to put the batch server process to work for you on your AS/400. You can download these templates from the Web at www.midrangecomputing.com/mc. The download contains compilable code for a working server and a client program to communicate with the servers.

Figure 2 (page 103) shows pseudocode for BCHSVR1, a program you can use to control the number of active batch server jobs. The program counts the number of batch server jobs that are currently active. It then either submits additional jobs or sends data queue entries to end existing jobs. Each job has a different name. All server jobs get submitted to the same job queue, so you must use a job queue that allows for a large number (or *NOMAX) for maximum number of jobs (MAXACT). To run this program, use the Control Batch Server (CTLBCHSVR) command, specifying the number of desired server jobs in the first (and only) parameter.

Figure 3 (page 103) shows the logic of BCHSVR2, the driver program for the batch server job itself. A separate copy of this program runs in each server job submitted by BCHSVR1. At the outset, BCHSVR2 allocates a data area with the same name as the job. This is a common technique to indicate that a job is active. I like to put all the data areas in a separate library because they don’t need to be backed up. If you desire, the library can be cleared during the IPL or nightly batch processing.

BCHSVR2 communicates with the interactive program by way of data queues. There are two separate data queues: one for incoming data and one for outgoing data. Because OS/400 doesn’t reuse deleted data queue entries, these data queues should be deleted and re-created on a regular basis. The outgoing data queue is keyed by a transaction ID, which is a unique value generated by the interactive program requesting the data. The requesting program looks for this same key value to retrieve the correct data, instead of retrieving data from another requestor. I like to put the data queues in the same library as the data areas.

Each of the batch server jobs stays in a loop waiting for requests to come in on the data queue (a special value of *EOJ indicates it’s time to end). Program BCHSVR2 breaks the data into fields, calls the program to process the data, concatenates the results, and


sends them to the keyed data queue. The interactive program receives the results and displays them to the user. I also log the time and program ID to a message queue. Taking this step makes it easier to track current activity and adjust the number of required server jobs.

Figure 4 (page 103) contains pseudocode for program BCHSRV3, which moves data between the calling program and the server by way of data queues. This program takes care of enqueuing and dequeuing data, which means the programmer need only code a simple CALL command in client programs. (Note that BCHSRV3 will timeout after 60 seconds with a message to the system operator if it doesn’t hear back from a server job. This keeps the job from hanging if the batch server jobs have not been started.)

Getting Started

If you are having performance problems in your shop, then it may be time to break up your application. These batch server utilities make it an easy thing to do.

Download the example code from the Midrange Computing Web site at www.midrangecomputing.com/mc. All the code is in one text file, but you will be able to divide it into separate members by following the instructions. Put all members in a source physical file called BCHSVR in library BCHSVRLIB. Compile and run the INSTALL program. Start the servers, call the client program, and you’re in business.

Number Response of Users Time 20 0.7 40 0.7 60 0.9 80 1.1 100 1.3

Number Response of Users Time 120 1.4 140 2.1 160 3.2 180 4.8 200 7.9

Figure 1: As users are added to the order entry application, response time becomes increasingly slow.

Input parameter: desired number of active batch server jobs
Create data queues if they don’t exist.
Determine how many batch server jobs are currently active.
Case
1. the number of active jobs > the desired number of jobs,
terminate some of the active jobs
2. the number of active jobs < the desired number of jobs
submit more batch jobs
end case

Figure 2: A single program is used to increase or decrease the number of active server jobs.

Indicate that the current job is active by allocating a data area
with the same name.

Create the data area if necessary

Attempt to allocate the data area.

If unable to allocate, exit program

Loop

Receive a message from the incoming data queue


If message is *EOJ, exit program

Log start of processing

Call the program to process the data

Log end of processing

Send the results back to the requestor by placing them on the

outgoing data queue
End loop

Figure 3: Each batch server job serves as a mediator between client programs and those that process data.

Copy data from input parameters to the data structure that will be sent to the data queue.
Build a unique key by combining the job number and current time.
Log the start of the request.
Send data to a batch server job via a FIFO data queue.
Wait 60 seconds to receive data from a batch server via a keyed data queue.
Log the end of the request.
If there was no response from the server within 60 seconds,

then notify system operator

else return the data to the calling program through parameters

Figure 4: Client programs that need to communicate with a batch server simply call an API.


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  • Real-Time Disk Monitoring with Robot Monitor

    SB_HelpSystems_WC_GenericYou need to know when IBM i disk space starts to disappear and where it has gone before system performance and productivity start to suffer. Our experts will show you how Robot Monitor can help you pinpoint exactly when your auxiliary storage starts to disappear and why, so you can start taking a proactive approach to disk monitoring and analysis. You’ll also get insight into:

    • The main sources of disk consumption
    • How to monitor temporary storage and QTEMP objects in real time
    • How to monitor objects and libraries in real time and near-real time
    • How to track long-term disk trends

     

     

  • Stop Re-keying Data Between IBM I and Other Applications

    SB_HelpSystems_WC_GenericMany business still depend on RPG for their daily business processes and report generation.Wouldn’t it be nice if you could stop re-keying data between IBM i and other applications? Or if you could stop replicating data and start processing orders faster? Or what if you could automatically extract data from existing reports instead of re-keying? It’s all possible. Watch this webinar to learn about:

    • The data dilemma
    • 3 ways to stop re-keying data
    • Data automation in practice

    Plus, see how HelpSystems data automation software will help you stop re-keying data.

     

  • The Top Five RPG Open Access Myths....BUSTED!

    SB_Profound_WC_GenericWhen it comes to IBM Rational Open Access: RPG Edition, there are still many misconceptions - especially where application modernization is concerned!

    In this Webinar, we'll address some of the biggest myths about RPG Open Access, including:

    • Modernizing with RPG OA requires significant changes to the source code
    • The RPG language is outdated and impractical for modernizing applications
    • Modernizing with RPG OA is the equivalent to "screen scraping"

     

  • Time to Remove the Paper from Your Desk and Become More Efficient

    SB_HelpSystems_WC_GenericToo much paper is wasted. Attempts to locate documents in endless filing cabinets.And distributing documents is expensive and takes up far too much time.
    These are just three common reasons why it might be time for your company to implement a paperless document management system.
    Watch the webinar to learn more and discover how easy it can be to:

    • Capture
    • Manage
    • And distribute documents digitally

     

  • IBM i: It’s Not Just AS/400

    SB_HelpSystems_WC_Generic

    IBM’s Steve Will talks AS/400, POWER9, cognitive systems, and everything in between

    Are there still companies that use AS400? Of course!

    IBM i was built on the same foundation.
    Watch this recorded webinar with IBM i Chief Architect Steve Will and IBM Power Champion Tom Huntington to gain a unique perspective on the direction of this platform, including:

    • IBM i development strategies in progress at IBM
    • Ways that Watson will shake hands with IBM i
    • Key takeaways from the AS/400 days

     

  • Ask the RDi Experts

    SB_HelpSystems_WC_GenericWatch this recording where Jim Buck, Susan Gantner, and Charlie Guarino answered your questions, including:

    • What are the “hidden gems” in RDi that can make me more productive?
    • What makes RDi Debug better than the STRDBG green screen debugger?
    • How can RDi help me find out if I’ve tested all lines of a program?
    • What’s the best way to transition from PDM to RDi?
    • How do I convince my long-term developers to use RDi?

    This is a unique, online opportunity to hear how you can get more out of RDi.

     

  • Node.js on IBM i Webinar Series Pt. 2: Setting Up Your Development Tools

    Profound Logic Software, Inc.Have you been wondering about Node.js? Our free Node.js Webinar Series takes you from total beginner to creating a fully-functional IBM i Node.js business application. In Part 2, Brian May teaches you the different tooling options available for writing code, debugging, and using Git for version control. Attend this webinar to learn:

    • Different tools to develop Node.js applications on IBM i
    • Debugging Node.js
    • The basics of Git and tools to help those new to it
    • Using NodeRun.com as a pre-built development environment

     

     

  • Inside the Integrated File System (IFS)

    SB_HelpSystems_WC_GenericDuring this webinar, you’ll learn basic tips, helpful tools, and integrated file system commands—including WRKLNK—for managing your IFS directories and Access Client Solutions (ACS). We’ll answer your most pressing IFS questions, including:

    • What is stored inside my IFS directories?
    • How do I monitor the IFS?
    • How do I replicate the IFS or back it up?
    • How do I secure the IFS?

    Understanding what the integrated file system is and how to work with it must be a critical part of your systems management plans for IBM i.

     

  • Expert Tips for IBM i Security: Beyond the Basics

    SB PowerTech WC GenericIn this session, IBM i security expert Robin Tatam provides a quick recap of IBM i security basics and guides you through some advanced cybersecurity techniques that can help you take data protection to the next level. Robin will cover:

    • Reducing the risk posed by special authorities
    • Establishing object-level security
    • Overseeing user actions and data access

    Don't miss this chance to take your knowledge of IBM i security beyond the basics.

     

     

  • 5 IBM i Security Quick Wins

    SB PowerTech WC GenericIn today’s threat landscape, upper management is laser-focused on cybersecurity. You need to make progress in securing your systems—and make it fast.
    There’s no shortage of actions you could take, but what tactics will actually deliver the results you need? And how can you find a security strategy that fits your budget and time constraints?
    Join top IBM i security expert Robin Tatam as he outlines the five fastest and most impactful changes you can make to strengthen IBM i security this year.
    Your system didn’t become unsecure overnight and you won’t be able to turn it around overnight either. But quick wins are possible with IBM i security, and Robin Tatam will show you how to achieve them.

  • How to Meet the Newest Encryption Requirements on IBM i

    SB PowerTech WC GenericA growing number of compliance mandates require sensitive data to be encrypted. But what kind of encryption solution will satisfy an auditor and how can you implement encryption on IBM i? Watch this on-demand webinar to find out how to meet today’s most common encryption requirements on IBM i. You’ll also learn:

    • Why disk encryption isn’t enough
    • What sets strong encryption apart from other solutions
    • Important considerations before implementing encryption

     

     

  • Security Bulletin: Malware Infection Discovered on IBM i Server!

    SB PowerTech WC GenericMalicious programs can bring entire businesses to their knees—and IBM i shops are not immune. It’s critical to grasp the true impact malware can have on IBM i and the network that connects to it. Attend this webinar to gain a thorough understanding of the relationships between:

    • Viruses, native objects, and the integrated file system (IFS)
    • Power Systems and Windows-based viruses and malware
    • PC-based anti-virus scanning versus native IBM i scanning

    There are a number of ways you can minimize your exposure to viruses. IBM i security expert Sandi Moore explains the facts, including how to ensure you're fully protected and compliant with regulations such as PCI.

     

     

  • Fight Cyber Threats with IBM i Encryption

    SB PowerTech WC GenericCyber attacks often target mission-critical servers, and those attack strategies are constantly changing. To stay on top of these threats, your cybersecurity strategies must evolve, too. In this session, IBM i security expert Robin Tatam provides a quick recap of IBM i security basics and guides you through some advanced cybersecurity techniques that can help you take data protection to the next level. Robin will cover:

    • Reducing the risk posed by special authorities
    • Establishing object-level security
    • Overseeing user actions and data access

     

     

     

  • 10 Practical IBM i Security Tips for Surviving Covid-19 and Working From Home

    SB PowerTech WC GenericNow that many organizations have moved to a work from home model, security concerns have risen.

    During this session Carol Woodbury will discuss the issues that the world is currently seeing such as increased malware attacks and then provide practical actions you can take to both monitor and protect your IBM i during this challenging time.

     

  • How to Transfer IBM i Data to Microsoft Excel

    SB_HelpSystems_WC_Generic3 easy ways to get IBM i data into Excel every time
    There’s an easy, more reliable way to import your IBM i data to Excel? It’s called Sequel. During this webinar, our data access experts demonstrate how you can simplify the process of getting data from multiple sources—including Db2 for i—into Excel. Watch to learn how to:

    • Download your IBM i data to Excel in a single step
    • Deliver data to business users in Excel via email or a scheduled job
    • Access IBM i data directly using the Excel add-in in Sequel

    Make 2020 the year you finally see your data clearly, quickly, and securely. Start by giving business users the ability to access crucial business data from IBM i the way they want it—in Microsoft Excel.

     

     

  • HA Alternatives: MIMIX Is Not Your Only Option on IBM i

    SB_HelpSystems_WC_GenericIn this recorded webinar, our experts introduce you to the new HA transition technology available with our Robot HA software. You’ll learn how to:

    • Transition your rules from MIMIX (if you’re happy with them)
    • Simplify your day-to-day activities around high availability
    • Gain back time in your work week
    • Make your CEO happy about reducing IT costs

    Don’t stick with a legacy high availability solution that makes you uncomfortable when transitioning to something better can be simple, safe, and cost-effective.

     

     

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  • Backup and Recovery on IBM i: Your Strategy for the Unexpected

    SB HelpSystems SC 5413Robot automates the routine tasks of iSeries backup and recovery, saving you time and money and making the process safer and more reliable. Automate your backups with the Robot Backup and Recovery Solution. Key features include:
    - Simplified backup procedures
    - Easy data encryption
    - Save media management
    - Guided restoration
    - Seamless product integration
    Make sure your data survives when catastrophe hits. Try the Robot Backup and Recovery Solution FREE for 30 days.

  • Manage IBM i Messages by Exception with Robot

    SB HelpSystems SC 5413Managing messages on your IBM i can be more than a full-time job if you have to do it manually. How can you be sure you won’t miss important system events?
    Automate your message center with the Robot Message Management Solution. Key features include:
    - Automated message management
    - Tailored notifications and automatic escalation
    - System-wide control of your IBM i partitions
    - Two-way system notifications from your mobile device
    - Seamless product integration
    Try the Robot Message Management Solution FREE for 30 days.

  • Easiest Way to Save Money? Stop Printing IBM i Reports

    SB HelpSystems SC 5413Robot automates report bursting, distribution, bundling, and archiving, and offers secure, selective online report viewing.
    Manage your reports with the Robot Report Management Solution. Key features include:

    - Automated report distribution
    - View online without delay
    - Browser interface to make notes
    - Custom retention capabilities
    - Seamless product integration
    Rerun another report? Never again. Try the Robot Report Management Solution FREE for 30 days.

  • Hassle-Free IBM i Operations around the Clock

    SB HelpSystems SC 5413For over 30 years, Robot has been a leader in systems management for IBM i.
    Manage your job schedule with the Robot Job Scheduling Solution. Key features include:
    - Automated batch, interactive, and cross-platform scheduling
    - Event-driven dependency processing
    - Centralized monitoring and reporting
    - Audit log and ready-to-use reports
    - Seamless product integration
    Scale your software, not your staff. Try the Robot Job Scheduling Solution FREE for 30 days.

  • ACO MONITOR Manages your IBM i 24/7 and Notifies You When Your IBM i Needs Assistance!

    SB DDL Systems 5429More than a paging system - ACO MONITOR is a complete systems management solution for your Power Systems running IBM i. ACO MONITOR manages your Power System 24/7, uses advanced technology (like two-way messaging) to notify on-duty support personnel, and responds to complex problems before they reach critical status.

    ACO MONITOR is proven technology and is capable of processing thousands of mission-critical events daily. The software is pre-configured, easy to install, scalable, and greatly improves data center efficiency.